diff --git a/modules/rcal/components/folk-calendar-view.ts b/modules/rcal/components/folk-calendar-view.ts
index dba80e62..24c0336f 100644
--- a/modules/rcal/components/folk-calendar-view.ts
+++ b/modules/rcal/components/folk-calendar-view.ts
@@ -166,6 +166,13 @@ class FolkCalendarView extends HTMLElement {
 	private mapMarkerLayer: any = null;
 	private transitLineLayer: any = null;
 
+	// Google Calendar integration
+	private showGcalModal = false;
+	private gcalCalendars: Array<{ id: string; name: string; color: string | null; primary: boolean; subscribed: boolean }> = [];
+	private gcalLoading = false;
+	private gcalError = "";
+	private gcalConnected = false;
+
 	// Guided tour
 	private _tour!: TourEngine;
 	private static readonly TOUR_STEPS = [
@@ -196,6 +203,16 @@ class FolkCalendarView extends HTMLElement {
 			setTimeout(() => this._tour.start(), 1200);
 		}
 		this._stopPresence = startPresenceHeartbeat(() => ({ module: 'rcal', context: this.selectedEvent?.title || 'Calendar' }));
+
+		// If redirected back from Google OAuth, open the calendar picker
+		const params = new URLSearchParams(window.location.search);
+		if (params.get("connected") === "google") {
+			history.replaceState(null, "", window.location.pathname);
+			this.gcalConnected = true;
+			setTimeout(() => this.openGcalModal(), 500);
+		}
+		// Check Google connection status
+		this.checkGcalStatus();
 	}
 
 	disconnectedCallback() {
@@ -249,6 +266,9 @@ class FolkCalendarView extends HTMLElement {
 				id: s.id, name: s.name, source_type: s.sourceType,
 				url: s.url, color: s.color, is_active: s.isActive,
 				is_visible: s.isVisible, owner_id: s.ownerId,
+				external_id: s.externalId || null,
+				last_synced_at: s.lastSyncedAt || 0,
+				last_sync_status: s.lastSyncStatus || null,
 			}));
 		}
 
@@ -735,6 +755,106 @@ class FolkCalendarView extends HTMLElement {
 		this.render();
 	}
 
+	// ── Google Calendar integration ──
+
+	private async checkGcalStatus() {
+		try {
+			const res = await fetch(`/api/oauth/status?space=${this.space}`);
+			if (res.ok) {
+				const data = await res.json();
+				this.gcalConnected = !!data.google?.connected;
+			}
+		} catch { /* ignore */ }
+	}
+
+	private async openGcalModal() {
+		this.showGcalModal = true;
+		this.gcalLoading = true;
+		this.gcalError = "";
+		this.render();
+
+		const base = this.getApiBase();
+		const token = (window as any).__rspaceToken;
+		try {
+			const res = await fetch(`${base}/api/google/calendars`, {
+				headers: token ? { Authorization: `Bearer ${token}` } : {},
+			});
+			if (!res.ok) {
+				const err = await res.json().catch(() => ({ error: res.statusText }));
+				this.gcalError = err.error || "Failed to load calendars";
+				if (res.status === 400 && err.error?.includes("not connected")) {
+					this.gcalConnected = false;
+				}
+			} else {
+				this.gcalCalendars = await res.json();
+			}
+		} catch (err: any) {
+			this.gcalError = err.message || "Network error";
+		}
+		this.gcalLoading = false;
+		this.render();
+	}
+
+	private async toggleGcalSubscription(calId: string, calName: string, calColor: string | null, subscribe: boolean) {
+		const base = this.getApiBase();
+		const token = (window as any).__rspaceToken;
+		const headers: Record<string, string> = { "Content-Type": "application/json" };
+		if (token) headers.Authorization = `Bearer ${token}`;
+
+		try {
+			if (subscribe) {
+				await fetch(`${base}/api/google/subscribe`, {
+					method: "POST", headers,
+					body: JSON.stringify({ calendarId: calId, name: calName, color: calColor || "#4285f4" }),
+				});
+			} else {
+				// Find the source ID for this calendar
+				const source = this.sources.find((s: any) => s.source_type === "GOOGLE" && s.external_id === calId);
+				if (source) {
+					await fetch(`${base}/api/google/${source.id}`, { method: "DELETE", headers });
+				}
+			}
+			// Refresh calendars and events
+			await this.openGcalModal();
+			this.loadMonth();
+		} catch (err: any) {
+			this.gcalError = err.message || "Failed to update subscription";
+			this.render();
+		}
+	}
+
+	private async syncAllGcal() {
+		const base = this.getApiBase();
+		const token = (window as any).__rspaceToken;
+		const headers: Record<string, string> = {};
+		if (token) headers.Authorization = `Bearer ${token}`;
+
+		try {
+			await fetch(`${base}/api/google/sync-all`, { method: "POST", headers });
+			this.loadMonth();
+		} catch { /* ignore */ }
+	}
+
+	private async pushEventToGoogle(eventId: string) {
+		const base = this.getApiBase();
+		const token = (window as any).__rspaceToken;
+		const headers: Record<string, string> = { "Content-Type": "application/json" };
+		if (token) headers.Authorization = `Bearer ${token}`;
+
+		try {
+			const res = await fetch(`${base}/api/google/push/${eventId}`, { method: "POST", headers });
+			if (res.ok) {
+				const data = await res.json();
+				alert(`Event exported to Google Calendar`);
+			} else {
+				const err = await res.json().catch(() => ({ error: "Failed" }));
+				alert(`Error: ${err.error}`);
+			}
+		} catch (err: any) {
+			alert(`Error: ${err.message}`);
+		}
+	}
+
 	// ── Navigation ──
 
 	private navigate(delta: number) {
@@ -1000,6 +1120,7 @@ class FolkCalendarView extends HTMLElement {
 		</div>
 
 		${this.selectedEvent ? this.renderEventModal() : ""}
+		${this.renderGcalModal()}
 		`;
 
 		this.attachListeners();
@@ -1178,12 +1299,48 @@ class FolkCalendarView extends HTMLElement {
 	// ── Sources ──
 
 	private renderSources(): string {
-		if (this.sources.length === 0) return "";
+		const hasGoogleSources = this.sources.some((s: any) => s.source_type === "GOOGLE");
 		return `<div class="sources">
 			<div class="sources-heading">Calendar Legend</div>
 			${this.sources.map(s => `<span class="src-badge ${this.filteredSources.has(s.name) ? "filtered" : ""}"
 				data-source="${this.esc(s.name)}"
-				style="border-color:${s.color || "#666"};color:${s.color || "#aaa"}">${this.esc(s.name)}</span>`).join("")}
+				style="border-color:${s.color || "#666"};color:${s.color || "#aaa"}">${this.esc(s.name)}${s.source_type === "GOOGLE" ? ' <span class="gcal-dot" title="Google Calendar"></span>' : ''}</span>`).join("")}
+			<button class="src-badge gcal-btn" id="gcal-manage" title="${this.gcalConnected ? 'Manage Google Calendars' : 'Connect Google Calendar'}">${this.gcalConnected ? '\u{1F504} Google' : '\u{1F517} Google Cal'}</button>
+			${hasGoogleSources ? `<button class="src-badge gcal-sync-btn" id="gcal-sync-all" title="Sync all Google Calendars now">\u{1F504} Sync</button>` : ''}
+		</div>`;
+	}
+
+	private renderGcalModal(): string {
+		if (!this.showGcalModal) return "";
+		return `<div class="gcal-modal-overlay" id="gcal-overlay">
+			<div class="gcal-modal">
+				<div class="gcal-modal-header">
+					<span>Google Calendar</span>
+					<button class="gcal-modal-close" id="gcal-close">\u2715</button>
+				</div>
+				<div class="gcal-modal-body">
+					${!this.gcalConnected ? `
+						<p style="color:var(--rs-text-secondary);margin:12px 0">Connect your Google account to sync calendars.</p>
+						<a class="gcal-connect-btn" href="/api/oauth/google/authorize?space=${this.space}&returnTo=rcal">Connect Google Account</a>
+					` : this.gcalLoading ? `
+						<p style="color:var(--rs-text-secondary);text-align:center;padding:24px 0">Loading calendars...</p>
+					` : this.gcalError ? `
+						<p style="color:var(--rs-error);margin:12px 0">${this.esc(this.gcalError)}</p>
+						${!this.gcalConnected ? `<a class="gcal-connect-btn" href="/api/oauth/google/authorize?space=${this.space}&returnTo=rcal">Connect Google Account</a>` : ''}
+					` : `
+						<p style="color:var(--rs-text-secondary);margin:0 0 12px;font-size:12px">Select calendars to sync into rCal. Events will auto-update every 10 minutes.</p>
+						<div class="gcal-list">
+							${this.gcalCalendars.map(cal => `
+								<label class="gcal-item" data-gcal-id="${this.esc(cal.id)}" data-gcal-name="${this.esc(cal.name)}" data-gcal-color="${cal.color || '#4285f4'}">
+									<span class="gcal-color" style="background:${cal.color || '#4285f4'}"></span>
+									<span class="gcal-name">${this.esc(cal.name)}${cal.primary ? ' <span style="opacity:0.5;font-size:10px">(primary)</span>' : ''}</span>
+									<input type="checkbox" class="gcal-check" ${cal.subscribed ? 'checked' : ''}>
+								</label>
+							`).join("")}
+						</div>
+					`}
+				</div>
+			</div>
 		</div>`;
 	}
 
@@ -2068,6 +2225,7 @@ class FolkCalendarView extends HTMLElement {
 				${e.source_name ? `<div class="modal-field" style="margin-top:8px"><span class="src-badge" style="border-color:${e.source_color || "#666"};color:${e.source_color || "#aaa"}">${this.esc(e.source_name)}</span></div>` : ""}
 				${e.is_virtual ? `<div class="modal-field">\u{1F4BB} ${this.esc(e.virtual_platform || "Virtual")} ${e.virtual_url ? `<a href="${e.virtual_url}" target="_blank" style="color:var(--rs-primary-hover)">Join</a>` : ""}</div>` : ""}
 				${e.latitude != null ? `<div class="modal-field" style="font-size:11px;color:var(--rs-text-muted)">\u{1F4CD} ${e.latitude.toFixed(4)}, ${e.longitude.toFixed(4)}</div>` : ""}
+				${this.gcalConnected && e.r_tool_source !== 'GOOGLE_CAL' ? `<div class="modal-field" style="margin-top:12px"><button class="gcal-push-btn" data-push-event="${e.id}">\u{1F4E4} Export to Google Calendar</button></div>` : ""}
 			</div>
 		</div>`;
 	}
@@ -2727,6 +2885,37 @@ class FolkCalendarView extends HTMLElement {
 			calPane.addEventListener("pointerup", pointerEnd);
 			calPane.addEventListener("pointercancel", pointerEnd);
 		}
+
+		// Google Calendar integration listeners
+		$("gcal-manage")?.addEventListener("click", () => {
+			if (this.gcalConnected) {
+				this.openGcalModal();
+			} else {
+				window.location.href = `/api/oauth/google/authorize?space=${this.space}&returnTo=rcal`;
+			}
+		});
+		$("gcal-sync-all")?.addEventListener("click", () => this.syncAllGcal());
+		$("gcal-overlay")?.addEventListener("click", (e) => {
+			if ((e.target as HTMLElement).id === "gcal-overlay") { this.showGcalModal = false; this.render(); }
+		});
+		$("gcal-close")?.addEventListener("click", () => { this.showGcalModal = false; this.render(); });
+		$$(".gcal-check").forEach(el => {
+			el.addEventListener("change", (e) => {
+				const label = (el as HTMLElement).closest(".gcal-item") as HTMLElement;
+				const calId = label?.dataset.gcalId || "";
+				const calName = label?.dataset.gcalName || "";
+				const calColor = label?.dataset.gcalColor || "#4285f4";
+				const checked = (el as HTMLInputElement).checked;
+				this.toggleGcalSubscription(calId, calName, calColor, checked);
+			});
+		});
+		$$("[data-push-event]").forEach(el => {
+			el.addEventListener("click", (e) => {
+				e.stopPropagation();
+				const eventId = (el as HTMLElement).dataset.pushEvent!;
+				this.pushEventToGoogle(eventId);
+			});
+		});
 	}
 
 	// ── Leaflet Map ──
@@ -2964,6 +3153,28 @@ class FolkCalendarView extends HTMLElement {
 			.src-badge { font-size: 10px; padding: 3px 8px; border-radius: 10px; border: 1px solid var(--rs-border-strong); cursor: pointer; transition: opacity 0.15s; user-select: none; }
 			.src-badge:hover { filter: brightness(1.2); }
 			.src-badge.filtered { opacity: 0.3; text-decoration: line-through; }
+			.gcal-btn { background: transparent; color: var(--rs-text-secondary); border-color: #4285f4 !important; }
+			.gcal-btn:hover { color: #4285f4; }
+			.gcal-sync-btn { background: transparent; color: var(--rs-text-muted); font-size: 9px !important; }
+			.gcal-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #4285f4; margin-left: 3px; vertical-align: middle; }
+
+			/* ── Google Calendar Modal ── */
+			.gcal-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1000; display: flex; align-items: center; justify-content: center; }
+			.gcal-modal { background: var(--rs-bg-surface); border: 1px solid var(--rs-border-strong); border-radius: 12px; width: 380px; max-width: 90vw; max-height: 80vh; overflow: hidden; display: flex; flex-direction: column; }
+			.gcal-modal-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--rs-border); font-weight: 600; font-size: 14px; }
+			.gcal-modal-close { background: none; border: none; color: var(--rs-text-muted); cursor: pointer; font-size: 16px; padding: 4px; }
+			.gcal-modal-close:hover { color: var(--rs-text-primary); }
+			.gcal-modal-body { padding: 12px 16px; overflow-y: auto; }
+			.gcal-list { display: flex; flex-direction: column; gap: 4px; }
+			.gcal-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; cursor: pointer; transition: background 0.1s; }
+			.gcal-item:hover { background: var(--rs-bg-surface-sunken); }
+			.gcal-color { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }
+			.gcal-name { flex: 1; font-size: 13px; color: var(--rs-text-primary); }
+			.gcal-check { accent-color: #4285f4; width: 16px; height: 16px; cursor: pointer; }
+			.gcal-connect-btn { display: inline-block; padding: 8px 20px; background: #4285f4; color: white; border-radius: 6px; text-decoration: none; font-size: 13px; font-weight: 500; }
+			.gcal-connect-btn:hover { background: #3367d6; }
+			.gcal-push-btn { background: none; border: 1px solid var(--rs-border-strong); color: var(--rs-text-secondary); padding: 4px 12px; border-radius: 6px; cursor: pointer; font-size: 11px; }
+			.gcal-push-btn:hover { color: #4285f4; border-color: #4285f4; }
 
 			/* ── Zoom Bar Top ── */
 			.zoom-bar--top { margin-top: 10px; padding: 8px 12px; background: var(--rs-bg-surface); border: 1px solid var(--rs-border-subtle); border-radius: 8px; }
diff --git a/modules/rcal/mod.ts b/modules/rcal/mod.ts
index 2799471f..8362ee9c 100644
--- a/modules/rcal/mod.ts
+++ b/modules/rcal/mod.ts
@@ -19,6 +19,10 @@ import type { SyncServer } from '../../server/local-first/sync-server';
 import { calendarSchema, calendarDocId } from './schemas';
 import type { CalendarDoc, CalendarEvent, CalendarSource, SavedCalendarView, ScheduledItemMetadata, EventAttendee } from './schemas';
 import { sendMagicLinks } from "../../server/magic-link/send";
+import {
+	getValidGoogleToken, listGoogleCalendars, fetchGoogleEvents,
+	createGoogleEvent, mapGoogleEventToCalendar, mapCalendarEventToGoogle,
+} from '../../server/google-calendar';
 
 let _syncServer: SyncServer | null = null;
 
@@ -120,6 +124,11 @@ function sourceToRow(src: CalendarSource) {
 		last_synced_at: src.lastSyncedAt ? new Date(src.lastSyncedAt).toISOString() : null,
 		owner_id: src.ownerId,
 		created_at: src.createdAt ? new Date(src.createdAt).toISOString() : null,
+		external_id: src.externalId || null,
+		sync_token: src.syncToken ? '(set)' : null,
+		last_sync_status: src.lastSyncStatus || null,
+		last_sync_error: src.lastSyncError || null,
+		event_count: src.eventCount ?? null,
 	};
 }
 
@@ -1055,6 +1064,349 @@ routes.delete("/api/views/:id", async (c) => {
 	return c.json({ ok: true });
 });
 
+// ── Google Calendar integration ──
+
+/** Sync a single Google Calendar source. Returns number of events upserted + deleted. */
+async function syncGoogleSource(
+	space: string,
+	sourceId: string,
+): Promise<{ upserted: number; deleted: number; error?: string }> {
+	const token = await getValidGoogleToken(space, _syncServer!);
+	if (!token) return { upserted: 0, deleted: 0, error: 'Google not connected' };
+
+	const docId = calendarDocId(space);
+	const doc = ensureDoc(space);
+	const source = doc.sources[sourceId];
+	if (!source || source.sourceType !== 'GOOGLE') {
+		return { upserted: 0, deleted: 0, error: 'Source not found or not a Google source' };
+	}
+
+	// Mark as syncing
+	_syncServer!.changeDoc<CalendarDoc>(docId, 'gcal sync start', (d) => {
+		d.sources[sourceId].lastSyncStatus = 'syncing';
+	});
+
+	try {
+		const result = await fetchGoogleEvents(token, source.externalId!, {
+			syncToken: source.syncToken,
+			// On full sync, fetch 1 year back + 1 year forward
+			timeMin: source.syncToken ? undefined : new Date(Date.now() - 365 * 86400000).toISOString(),
+			timeMax: source.syncToken ? undefined : new Date(Date.now() + 365 * 86400000).toISOString(),
+		});
+
+		let upserted = 0;
+		let deleted = 0;
+
+		_syncServer!.changeDoc<CalendarDoc>(docId, `gcal sync ${source.name}`, (d) => {
+			// Upsert events
+			for (const gEvent of result.events) {
+				// Find existing event by Google event ID
+				const existingId = Object.keys(d.events).find(
+					(k) => d.events[k].rToolEntityId === gEvent.id && d.events[k].sourceId === sourceId,
+				);
+				const eventId = existingId || crypto.randomUUID();
+				const mapped = mapGoogleEventToCalendar(gEvent, sourceId, source.name, source.color);
+				const now = Date.now();
+
+				if (existingId) {
+					// Update existing event
+					const existing = d.events[eventId];
+					Object.assign(existing, { ...mapped, id: eventId, createdAt: existing.createdAt, updatedAt: now });
+				} else {
+					// Create new event
+					d.events[eventId] = {
+						...mapped,
+						id: eventId,
+						createdAt: now,
+						updatedAt: now,
+					} as CalendarEvent;
+				}
+				upserted++;
+			}
+
+			// Delete cancelled events
+			for (const deletedGId of result.deleted) {
+				const existingId = Object.keys(d.events).find(
+					(k) => d.events[k].rToolEntityId === deletedGId && d.events[k].sourceId === sourceId,
+				);
+				if (existingId) {
+					delete d.events[existingId];
+					deleted++;
+				}
+			}
+
+			// Update source metadata
+			d.sources[sourceId].syncToken = result.nextSyncToken;
+			d.sources[sourceId].lastSyncedAt = Date.now();
+			d.sources[sourceId].lastSyncStatus = 'success';
+			d.sources[sourceId].lastSyncError = null;
+			// Count events from this source
+			d.sources[sourceId].eventCount = Object.values(d.events).filter(
+				(e) => e.sourceId === sourceId,
+			).length;
+		});
+
+		return { upserted, deleted };
+	} catch (err: any) {
+		// Handle 410 Gone — syncToken expired, need full re-sync
+		if (err.status === 410) {
+			_syncServer!.changeDoc<CalendarDoc>(docId, 'gcal clear sync token', (d) => {
+				d.sources[sourceId].syncToken = null;
+				d.sources[sourceId].lastSyncStatus = 'error';
+				d.sources[sourceId].lastSyncError = 'Sync token expired, will do full re-sync';
+			});
+			// Retry without sync token
+			return syncGoogleSource(space, sourceId);
+		}
+
+		_syncServer!.changeDoc<CalendarDoc>(docId, 'gcal sync error', (d) => {
+			d.sources[sourceId].lastSyncStatus = 'error';
+			d.sources[sourceId].lastSyncError = err.message || String(err);
+		});
+		return { upserted: 0, deleted: 0, error: err.message || String(err) };
+	}
+}
+
+// GET /api/google/calendars — list user's Google Calendars for selection
+routes.get("/api/google/calendars", async (c) => {
+	const token = extractToken(c.req.raw.headers);
+	if (!token) return c.json({ error: "Authentication required" }, 401);
+	try { await verifyToken(token); } catch { return c.json({ error: "Invalid token" }, 401); }
+
+	const space = c.req.param("space") || "demo";
+	const dataSpace = c.get("effectiveSpace") || space;
+
+	const googleToken = await getValidGoogleToken(dataSpace, _syncServer!);
+	if (!googleToken) return c.json({ error: "Google not connected. Authorize at /api/oauth/google/authorize?space=" + dataSpace + "&returnTo=rcal" }, 400);
+
+	try {
+		const calendars = await listGoogleCalendars(googleToken);
+		// Also check which ones are already subscribed
+		const doc = ensureDoc(dataSpace);
+		const subscribedIds = new Set(
+			Object.values(doc.sources)
+				.filter((s) => s.sourceType === 'GOOGLE')
+				.map((s) => s.externalId),
+		);
+
+		return c.json(calendars.map((cal) => ({
+			id: cal.id,
+			name: cal.summary,
+			description: cal.description || null,
+			color: cal.backgroundColor || null,
+			primary: cal.primary || false,
+			accessRole: cal.accessRole,
+			timeZone: cal.timeZone || null,
+			subscribed: subscribedIds.has(cal.id),
+		})));
+	} catch (err: any) {
+		return c.json({ error: `Failed to list calendars: ${err.message}` }, 502);
+	}
+});
+
+// POST /api/google/subscribe — subscribe to a Google Calendar
+routes.post("/api/google/subscribe", async (c) => {
+	const token = extractToken(c.req.raw.headers);
+	if (!token) return c.json({ error: "Authentication required" }, 401);
+	try { await verifyToken(token); } catch { return c.json({ error: "Invalid token" }, 401); }
+
+	const space = c.req.param("space") || "demo";
+	const dataSpace = c.get("effectiveSpace") || space;
+	const body = await c.req.json();
+	const { calendarId, name, color } = body;
+
+	if (!calendarId) return c.json({ error: "calendarId is required" }, 400);
+
+	const docId = calendarDocId(dataSpace);
+	ensureDoc(dataSpace);
+
+	// Check if already subscribed
+	const doc = _syncServer!.getDoc<CalendarDoc>(docId)!;
+	const existing = Object.values(doc.sources).find(
+		(s) => s.sourceType === 'GOOGLE' && s.externalId === calendarId,
+	);
+	if (existing) return c.json({ error: "Already subscribed to this calendar", sourceId: existing.id }, 409);
+
+	const sourceId = crypto.randomUUID();
+	const now = Date.now();
+
+	_syncServer!.changeDoc<CalendarDoc>(docId, `subscribe Google Calendar: ${name || calendarId}`, (d) => {
+		d.sources[sourceId] = {
+			id: sourceId,
+			name: name || calendarId,
+			sourceType: 'GOOGLE',
+			url: null,
+			color: color || '#4285f4',
+			isActive: true,
+			isVisible: true,
+			syncIntervalMinutes: 10,
+			lastSyncedAt: 0,
+			ownerId: null,
+			createdAt: now,
+			externalId: calendarId,
+			syncToken: null,
+			lastSyncStatus: null,
+			lastSyncError: null,
+			eventCount: null,
+		};
+	});
+
+	// Trigger initial sync
+	const syncResult = await syncGoogleSource(dataSpace, sourceId);
+
+	return c.json({ sourceId, ...syncResult }, 201);
+});
+
+// POST /api/google/sync/:sourceId — manual sync trigger for one source
+routes.post("/api/google/sync/:sourceId", async (c) => {
+	const token = extractToken(c.req.raw.headers);
+	if (!token) return c.json({ error: "Authentication required" }, 401);
+	try { await verifyToken(token); } catch { return c.json({ error: "Invalid token" }, 401); }
+
+	const space = c.req.param("space") || "demo";
+	const dataSpace = c.get("effectiveSpace") || space;
+	const sourceId = c.req.param("sourceId");
+
+	const result = await syncGoogleSource(dataSpace, sourceId);
+	if (result.error) return c.json(result, 400);
+	return c.json(result);
+});
+
+// POST /api/google/sync-all — sync all Google sources in this space
+routes.post("/api/google/sync-all", async (c) => {
+	const token = extractToken(c.req.raw.headers);
+	if (!token) return c.json({ error: "Authentication required" }, 401);
+	try { await verifyToken(token); } catch { return c.json({ error: "Invalid token" }, 401); }
+
+	const space = c.req.param("space") || "demo";
+	const dataSpace = c.get("effectiveSpace") || space;
+
+	const doc = ensureDoc(dataSpace);
+	const googleSources = Object.values(doc.sources).filter(
+		(s) => s.sourceType === 'GOOGLE' && s.isActive,
+	);
+
+	const results: Record<string, { upserted: number; deleted: number; error?: string }> = {};
+	for (const source of googleSources) {
+		results[source.id] = await syncGoogleSource(dataSpace, source.id);
+	}
+
+	return c.json({ synced: googleSources.length, results });
+});
+
+// DELETE /api/google/:sourceId — unsubscribe and remove all events from this source
+routes.delete("/api/google/:sourceId", async (c) => {
+	const token = extractToken(c.req.raw.headers);
+	if (!token) return c.json({ error: "Authentication required" }, 401);
+	try { await verifyToken(token); } catch { return c.json({ error: "Invalid token" }, 401); }
+
+	const space = c.req.param("space") || "demo";
+	const dataSpace = c.get("effectiveSpace") || space;
+	const sourceId = c.req.param("sourceId");
+
+	const docId = calendarDocId(dataSpace);
+	const doc = ensureDoc(dataSpace);
+
+	const source = doc.sources[sourceId];
+	if (!source) return c.json({ error: "Source not found" }, 404);
+	if (source.sourceType !== 'GOOGLE') return c.json({ error: "Not a Google Calendar source" }, 400);
+
+	// Count events to delete
+	const eventIds = Object.keys(doc.events).filter((k) => doc.events[k].sourceId === sourceId);
+
+	_syncServer!.changeDoc<CalendarDoc>(docId, `unsubscribe Google Calendar: ${source.name}`, (d) => {
+		// Remove all events from this source
+		for (const eid of eventIds) {
+			delete d.events[eid];
+		}
+		// Remove the source
+		delete d.sources[sourceId];
+	});
+
+	return c.json({ ok: true, eventsRemoved: eventIds.length });
+});
+
+// POST /api/google/push/:eventId — export a single rCal event to Google Calendar
+routes.post("/api/google/push/:eventId", async (c) => {
+	const token = extractToken(c.req.raw.headers);
+	if (!token) return c.json({ error: "Authentication required" }, 401);
+	try { await verifyToken(token); } catch { return c.json({ error: "Invalid token" }, 401); }
+
+	const space = c.req.param("space") || "demo";
+	const dataSpace = c.get("effectiveSpace") || space;
+	const eventId = c.req.param("eventId");
+	const body = await c.req.json().catch(() => ({})) as { targetCalendarId?: string };
+
+	const doc = ensureDoc(dataSpace);
+	const event = doc.events[eventId];
+	if (!event) return c.json({ error: "Event not found" }, 404);
+
+	// Don't push Google events back to Google
+	if (event.rToolSource === 'GOOGLE_CAL') {
+		return c.json({ error: "Cannot push a Google Calendar event back to Google" }, 400);
+	}
+
+	const googleToken = await getValidGoogleToken(dataSpace, _syncServer!);
+	if (!googleToken) return c.json({ error: "Google not connected" }, 400);
+
+	// Use specified target or default to primary calendar
+	let targetCalId = body.targetCalendarId;
+	if (!targetCalId) {
+		const calendars = await listGoogleCalendars(googleToken);
+		const primary = calendars.find((cal) => cal.primary);
+		targetCalId = primary?.id || calendars[0]?.id;
+		if (!targetCalId) return c.json({ error: "No Google Calendars found" }, 400);
+	}
+
+	try {
+		const gInput = mapCalendarEventToGoogle(event);
+		const googleEventId = await createGoogleEvent(googleToken, targetCalId, gInput);
+		return c.json({ ok: true, googleEventId, calendarId: targetCalId });
+	} catch (err: any) {
+		return c.json({ error: `Failed to create Google event: ${err.message}` }, 502);
+	}
+});
+
+// ── Background sync loop ──
+
+const GCAL_SYNC_INTERVAL_MS = 10 * 60 * 1000; // 10 minutes
+let _gcalSyncTimer: ReturnType<typeof setInterval> | null = null;
+
+async function runGcalBackgroundSync() {
+	if (!_syncServer) return;
+	const docIds = _syncServer.listDocs().filter((id: string) => id.endsWith(':cal:events'));
+
+	for (const docId of docIds) {
+		const space = docId.split(':')[0];
+		const doc = _syncServer.getDoc<CalendarDoc>(docId);
+		if (!doc) continue;
+
+		const googleSources = Object.values(doc.sources).filter(
+			(s) => s.sourceType === 'GOOGLE' && s.isActive && s.externalId,
+		);
+
+		for (const source of googleSources) {
+			try {
+				await syncGoogleSource(space, source.id);
+			} catch (err) {
+				console.error(`[rCal] Background sync failed for ${space}/${source.name}:`, err);
+			}
+		}
+	}
+}
+
+function startGcalSyncLoop() {
+	if (_gcalSyncTimer) return;
+	// Initial sync after 30s startup delay
+	setTimeout(() => {
+		runGcalBackgroundSync().catch((err) => console.error('[rCal] Background sync error:', err));
+	}, 30_000);
+	// Then every 10 minutes
+	_gcalSyncTimer = setInterval(() => {
+		runGcalBackgroundSync().catch((err) => console.error('[rCal] Background sync error:', err));
+	}, GCAL_SYNC_INTERVAL_MS);
+}
+
 // ── Page route ──
 routes.get("/", (c) => {
 	const space = c.req.param("space") || "demo";
@@ -1175,6 +1527,9 @@ export const calModule: RSpaceModule = {
 				}
 			}
 		}, 5000); // Run after loadAllDocs completes
+
+		// Start Google Calendar background sync loop
+		startGcalSyncLoop();
 	},
 	feeds: [
 		{
@@ -1197,6 +1552,7 @@ export const calModule: RSpaceModule = {
 		{ path: "events", name: "Events", icon: "📅", description: "Calendar events across all systems" },
 	],
 	onboardingActions: [
+		{ label: "Connect Google Calendar", icon: "🔄", description: "Sync events from your Google Calendar automatically", type: 'link', href: '/api/oauth/google/authorize?space={space}&returnTo=rcal' },
 		{ label: "Import Calendar (.ics)", icon: "📅", description: "Upload an ICS file from Google Calendar, Outlook, or Apple", type: 'upload', upload: { accept: '.ics,.ical', endpoint: '/{space}/rcal/api/import-ics' } },
 		{ label: "Subscribe to iCal URL", icon: "🔗", description: "Add a read-only calendar feed", type: 'link', href: '/{space}/rcal?action=add-source' },
 		{ label: "Create an Event", icon: "✏️", description: "Add your first calendar event", type: 'create', href: '/{space}/rcal' },
diff --git a/modules/rcal/schemas.ts b/modules/rcal/schemas.ts
index 5f1def55..d302cd4a 100644
--- a/modules/rcal/schemas.ts
+++ b/modules/rcal/schemas.ts
@@ -21,6 +21,16 @@ export interface CalendarSource {
 	lastSyncedAt: number;
 	ownerId: string | null;
 	createdAt: number;
+	/** External calendar ID (e.g. Google Calendar ID like "user@gmail.com") */
+	externalId?: string | null;
+	/** Google Calendar incremental sync token */
+	syncToken?: string | null;
+	/** Status of last sync attempt */
+	lastSyncStatus?: string | null;
+	/** Error message if last sync failed */
+	lastSyncError?: string | null;
+	/** Number of events from this source */
+	eventCount?: number | null;
 }
 
 export interface EventAttendee {
diff --git a/modules/rdocs/components/import-export-dialog.ts b/modules/rdocs/components/import-export-dialog.ts
index a9eda96c..19e7f388 100644
--- a/modules/rdocs/components/import-export-dialog.ts
+++ b/modules/rdocs/components/import-export-dialog.ts
@@ -86,7 +86,7 @@ class ImportExportDialog extends HTMLElement {
 
 	private async loadConnections() {
 		try {
-			const res = await fetch(`${getModuleApiBase("rnotes")}/api/connections`);
+			const res = await fetch(`${getModuleApiBase("rdocs")}/api/connections`);
 			if (res.ok) {
 				this.connections = await res.json();
 			}
@@ -99,7 +99,7 @@ class ImportExportDialog extends HTMLElement {
 
 		if (this.activeSource === 'notion') {
 			try {
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/import/notion/pages`);
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/import/notion/pages`);
 				if (res.ok) {
 					const data = await res.json();
 					this.remotePages = data.pages || [];
@@ -107,7 +107,7 @@ class ImportExportDialog extends HTMLElement {
 			} catch { /* ignore */ }
 		} else if (this.activeSource === 'google-docs') {
 			try {
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/import/google-docs/list`);
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/import/google-docs/list`);
 				if (res.ok) {
 					const data = await res.json();
 					this.remotePages = data.docs || [];
@@ -147,7 +147,7 @@ class ImportExportDialog extends HTMLElement {
 				if (this.targetNotebookId) formData.append('notebookId', this.targetNotebookId);
 
 				const token = localStorage.getItem('encryptid_token') || '';
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/import/files`, {
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/import/files`, {
 					method: 'POST',
 					headers: { 'Authorization': `Bearer ${token}` },
 					body: formData,
@@ -179,7 +179,7 @@ class ImportExportDialog extends HTMLElement {
 				}
 
 				const token = localStorage.getItem('encryptid_token') || '';
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/import/upload`, {
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/import/upload`, {
 					method: 'POST',
 					headers: { 'Authorization': `Bearer ${token}` },
 					body: formData,
@@ -203,7 +203,7 @@ class ImportExportDialog extends HTMLElement {
 				}
 
 				const token = localStorage.getItem('encryptid_token') || '';
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/import/notion`, {
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/import/notion`, {
 					method: 'POST',
 					headers: {
 						'Authorization': `Bearer ${token}`,
@@ -230,7 +230,7 @@ class ImportExportDialog extends HTMLElement {
 				}
 
 				const token = localStorage.getItem('encryptid_token') || '';
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/import/google-docs`, {
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/import/google-docs`, {
 					method: 'POST',
 					headers: {
 						'Authorization': `Bearer ${token}`,
@@ -269,7 +269,7 @@ class ImportExportDialog extends HTMLElement {
 		try {
 			if (this.activeSource === 'obsidian' || this.activeSource === 'logseq' || this.activeSource === 'markdown' as any) {
 				const format = this.activeSource === 'markdown' as any ? 'markdown' : this.activeSource;
-				const url = `${getModuleApiBase("rnotes")}/api/export/${format}?notebookId=${encodeURIComponent(this.targetNotebookId)}`;
+				const url = `${getModuleApiBase("rdocs")}/api/export/${format}?notebookId=${encodeURIComponent(this.targetNotebookId)}`;
 				const res = await fetch(url);
 
 				if (res.ok) {
@@ -290,7 +290,7 @@ class ImportExportDialog extends HTMLElement {
 				}
 			} else if (this.activeSource === 'notion') {
 				const token = localStorage.getItem('encryptid_token') || '';
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/export/notion`, {
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/export/notion`, {
 					method: 'POST',
 					headers: {
 						'Authorization': `Bearer ${token}`,
@@ -307,7 +307,7 @@ class ImportExportDialog extends HTMLElement {
 				}
 			} else if (this.activeSource === 'google-docs') {
 				const token = localStorage.getItem('encryptid_token') || '';
-				const res = await fetch(`${getModuleApiBase("rnotes")}/api/export/google-docs`, {
+				const res = await fetch(`${getModuleApiBase("rdocs")}/api/export/google-docs`, {
 					method: 'POST',
 					headers: {
 						'Authorization': `Bearer ${token}`,
@@ -564,7 +564,7 @@ class ImportExportDialog extends HTMLElement {
 
 	private async loadSyncStatus(notebookId: string) {
 		try {
-			const res = await fetch(`${getModuleApiBase("rnotes")}/api/sync/status/${notebookId}`);
+			const res = await fetch(`${getModuleApiBase("rdocs")}/api/sync/status/${notebookId}`);
 			if (res.ok) {
 				const data = await res.json();
 				this.syncStatuses = data.statuses || {};
@@ -581,7 +581,7 @@ class ImportExportDialog extends HTMLElement {
 
 		try {
 			const token = localStorage.getItem('encryptid_token') || '';
-			const res = await fetch(`${getModuleApiBase("rnotes")}/api/sync/notebook/${this.targetNotebookId}`, {
+			const res = await fetch(`${getModuleApiBase("rdocs")}/api/sync/notebook/${this.targetNotebookId}`, {
 				method: 'POST',
 				headers: { 'Authorization': `Bearer ${token}` },
 			});
@@ -626,7 +626,7 @@ class ImportExportDialog extends HTMLElement {
 			formData.append('source', source);
 
 			const token = localStorage.getItem('encryptid_token') || '';
-			const res = await fetch(`${getModuleApiBase("rnotes")}/api/sync/upload`, {
+			const res = await fetch(`${getModuleApiBase("rdocs")}/api/sync/upload`, {
 				method: 'POST',
 				headers: { 'Authorization': `Bearer ${token}` },
 				body: formData,
diff --git a/server/google-calendar.ts b/server/google-calendar.ts
new file mode 100644
index 00000000..2a4e0523
--- /dev/null
+++ b/server/google-calendar.ts
@@ -0,0 +1,332 @@
+/**
+ * Google Calendar API client.
+ *
+ * Pure functions using native fetch — no googleapis library needed.
+ * Handles token auto-refresh, calendar listing, event fetch (full + incremental),
+ * event creation, and mapping Google events → rCal CalendarEvent fields.
+ */
+
+import { connectionsDocId } from '../modules/rdocs/schemas';
+import type { ConnectionsDoc } from '../modules/rdocs/schemas';
+import type { CalendarEvent } from '../modules/rcal/schemas';
+import type { SyncServer } from './local-first/sync-server';
+
+const GOOGLE_CLIENT_ID = process.env.GOOGLE_CLIENT_ID || '';
+const GOOGLE_CLIENT_SECRET = process.env.GOOGLE_CLIENT_SECRET || '';
+
+const GCAL_BASE = 'https://www.googleapis.com/calendar/v3';
+
+// ── Types ──
+
+export interface GoogleCalendarEntry {
+	id: string;
+	summary: string;
+	description?: string;
+	backgroundColor?: string;
+	foregroundColor?: string;
+	primary?: boolean;
+	accessRole: string;
+	selected?: boolean;
+	timeZone?: string;
+}
+
+export interface GoogleEvent {
+	id: string;
+	status: string;
+	summary?: string;
+	description?: string;
+	location?: string;
+	start?: { dateTime?: string; date?: string; timeZone?: string };
+	end?: { dateTime?: string; date?: string; timeZone?: string };
+	recurrence?: string[];
+	attendees?: Array<{ email: string; displayName?: string; responseStatus?: string; self?: boolean }>;
+	hangoutLink?: string;
+	conferenceData?: { entryPoints?: Array<{ entryPointType: string; uri: string; label?: string }> };
+	htmlLink?: string;
+	updated?: string;
+}
+
+export interface GoogleEventInput {
+	summary: string;
+	description?: string;
+	location?: string;
+	start: { dateTime?: string; date?: string; timeZone?: string };
+	end: { dateTime?: string; date?: string; timeZone?: string };
+}
+
+export interface FetchEventsResult {
+	events: GoogleEvent[];
+	nextSyncToken: string | null;
+	deleted: string[];
+}
+
+// ── Token management ──
+
+/**
+ * Get a valid Google access token for a space, auto-refreshing if expired.
+ * Returns null if no Google connection exists.
+ */
+export async function getValidGoogleToken(
+	space: string,
+	syncServer: SyncServer,
+): Promise<string | null> {
+	const docId = connectionsDocId(space);
+	const doc = syncServer.getDoc<ConnectionsDoc>(docId);
+	if (!doc?.google?.refreshToken) return null;
+
+	// Check if token is still valid (with 60s buffer)
+	if (doc.google.accessToken && doc.google.expiresAt > Date.now() + 60_000) {
+		return doc.google.accessToken;
+	}
+
+	// Refresh the token
+	const tokenRes = await fetch('https://oauth2.googleapis.com/token', {
+		method: 'POST',
+		headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+		body: new URLSearchParams({
+			client_id: GOOGLE_CLIENT_ID,
+			client_secret: GOOGLE_CLIENT_SECRET,
+			refresh_token: doc.google.refreshToken,
+			grant_type: 'refresh_token',
+		}),
+	});
+
+	if (!tokenRes.ok) {
+		const err = await tokenRes.text();
+		throw new Error(`Google token refresh failed: ${err}`);
+	}
+
+	const tokenData = (await tokenRes.json()) as any;
+
+	syncServer.changeDoc<ConnectionsDoc>(docId, 'Auto-refresh Google token', (d) => {
+		if (d.google) {
+			d.google.accessToken = tokenData.access_token;
+			d.google.expiresAt = Date.now() + (tokenData.expires_in || 3600) * 1000;
+		}
+	});
+
+	return tokenData.access_token;
+}
+
+// ── API helpers ──
+
+async function gcalFetch(url: string, token: string, opts: RequestInit = {}): Promise<any> {
+	const res = await fetch(url, {
+		...opts,
+		headers: {
+			Authorization: `Bearer ${token}`,
+			'Content-Type': 'application/json',
+			...((opts.headers as Record<string, string>) || {}),
+		},
+	});
+
+	if (!res.ok) {
+		const body = await res.text();
+		const err = new Error(`Google Calendar API error ${res.status}: ${body}`) as any;
+		err.status = res.status;
+		throw err;
+	}
+
+	return res.json();
+}
+
+// ── Calendar listing ──
+
+/** List all calendars the user has access to. */
+export async function listGoogleCalendars(token: string): Promise<GoogleCalendarEntry[]> {
+	const data = await gcalFetch(`${GCAL_BASE}/users/me/calendarList`, token);
+	return (data.items || []) as GoogleCalendarEntry[];
+}
+
+// ── Event fetching (full + incremental) ──
+
+/**
+ * Fetch events from a Google Calendar.
+ *
+ * - Without syncToken: full fetch (uses timeMin/timeMax window)
+ * - With syncToken: incremental fetch (only changes since last sync)
+ *
+ * Returns events, deleted event IDs, and the next sync token.
+ */
+export async function fetchGoogleEvents(
+	token: string,
+	calendarId: string,
+	opts: {
+		syncToken?: string | null;
+		timeMin?: string;
+		timeMax?: string;
+		maxResults?: number;
+	} = {},
+): Promise<FetchEventsResult> {
+	const allEvents: GoogleEvent[] = [];
+	const deleted: string[] = [];
+	let pageToken: string | undefined;
+	let nextSyncToken: string | null = null;
+
+	do {
+		const params = new URLSearchParams({
+			maxResults: String(opts.maxResults || 250),
+			singleEvents: 'true',
+		});
+
+		if (opts.syncToken) {
+			// Incremental sync — only pass syncToken, no time bounds
+			params.set('syncToken', opts.syncToken);
+		} else {
+			// Full sync — use time window
+			if (opts.timeMin) params.set('timeMin', opts.timeMin);
+			if (opts.timeMax) params.set('timeMax', opts.timeMax);
+			params.set('orderBy', 'startTime');
+		}
+
+		if (pageToken) params.set('pageToken', pageToken);
+
+		const data = await gcalFetch(
+			`${GCAL_BASE}/calendars/${encodeURIComponent(calendarId)}/events?${params}`,
+			token,
+		);
+
+		for (const item of data.items || []) {
+			if (item.status === 'cancelled') {
+				deleted.push(item.id);
+			} else {
+				allEvents.push(item as GoogleEvent);
+			}
+		}
+
+		pageToken = data.nextPageToken;
+		if (data.nextSyncToken) nextSyncToken = data.nextSyncToken;
+	} while (pageToken);
+
+	return { events: allEvents, nextSyncToken, deleted };
+}
+
+// ── Event creation (manual push) ──
+
+/** Create an event on a Google Calendar. Returns the created event's Google ID. */
+export async function createGoogleEvent(
+	token: string,
+	calendarId: string,
+	event: GoogleEventInput,
+): Promise<string> {
+	const data = await gcalFetch(
+		`${GCAL_BASE}/calendars/${encodeURIComponent(calendarId)}/events`,
+		token,
+		{ method: 'POST', body: JSON.stringify(event) },
+	);
+	return data.id;
+}
+
+// ── Event mapping ──
+
+/** Parse a Google Calendar date/dateTime field to epoch milliseconds. */
+function parseGoogleDateTime(dt?: { dateTime?: string; date?: string }): { ms: number; allDay: boolean } {
+	if (!dt) return { ms: 0, allDay: false };
+	if (dt.dateTime) return { ms: new Date(dt.dateTime).getTime(), allDay: false };
+	if (dt.date) return { ms: new Date(dt.date + 'T00:00:00').getTime(), allDay: true };
+	return { ms: 0, allDay: false };
+}
+
+/** Extract virtual meeting URL from Google event. */
+function extractVirtualUrl(gEvent: GoogleEvent): { url: string | null; platform: string | null } {
+	if (gEvent.hangoutLink) return { url: gEvent.hangoutLink, platform: 'Google Meet' };
+	const ep = gEvent.conferenceData?.entryPoints?.find((e) => e.entryPointType === 'video');
+	if (ep?.uri) {
+		let platform = 'Video Call';
+		if (ep.uri.includes('zoom.us')) platform = 'Zoom';
+		else if (ep.uri.includes('teams.microsoft')) platform = 'Microsoft Teams';
+		else if (ep.uri.includes('meet.jit.si')) platform = 'Jitsi';
+		return { url: ep.uri, platform };
+	}
+	return { url: null, platform: null };
+}
+
+/** Map a Google Calendar event to rCal CalendarEvent fields. */
+export function mapGoogleEventToCalendar(
+	gEvent: GoogleEvent,
+	sourceId: string,
+	sourceName: string,
+	sourceColor: string | null,
+): Partial<CalendarEvent> {
+	const start = parseGoogleDateTime(gEvent.start);
+	const end = parseGoogleDateTime(gEvent.end);
+	const virtual = extractVirtualUrl(gEvent);
+
+	const attendees = (gEvent.attendees || [])
+		.filter((a) => !a.self)
+		.map((a) => ({
+			name: a.displayName || a.email,
+			email: a.email,
+			status: (
+				a.responseStatus === 'accepted' ? 'yes'
+					: a.responseStatus === 'declined' ? 'no'
+						: a.responseStatus === 'tentative' ? 'maybe'
+							: 'pending'
+			) as 'yes' | 'no' | 'maybe' | 'pending',
+			respondedAt: Date.now(),
+			source: 'import' as const,
+		}));
+
+	return {
+		title: gEvent.summary || '(No title)',
+		description: gEvent.description || '',
+		startTime: start.ms,
+		endTime: end.ms || start.ms + 3600000,
+		allDay: start.allDay,
+		timezone: gEvent.start?.timeZone || null,
+		rrule: gEvent.recurrence?.[0] || null,
+		status: gEvent.status || null,
+		likelihood: null,
+		visibility: null,
+		sourceId,
+		sourceName,
+		sourceType: 'GOOGLE',
+		sourceColor,
+		locationId: null,
+		locationName: gEvent.location || null,
+		coordinates: null,
+		locationGranularity: null,
+		locationLat: null,
+		locationLng: null,
+		locationBreadcrumb: null,
+		bookingStatus: null,
+		isVirtual: !!virtual.url,
+		virtualUrl: virtual.url,
+		virtualPlatform: virtual.platform,
+		rToolSource: 'GOOGLE_CAL',
+		rToolEntityId: gEvent.id,
+		attendees,
+		attendeeCount: attendees.length,
+		tags: null,
+		metadata: null,
+	};
+}
+
+/** Convert an rCal event to Google Calendar event input format. */
+export function mapCalendarEventToGoogle(event: CalendarEvent): GoogleEventInput {
+	if (event.allDay) {
+		const startDate = new Date(event.startTime).toISOString().slice(0, 10);
+		const endDate = new Date(event.endTime || event.startTime + 86400000).toISOString().slice(0, 10);
+		return {
+			summary: event.title,
+			description: event.description || undefined,
+			location: event.locationName || undefined,
+			start: { date: startDate },
+			end: { date: endDate },
+		};
+	}
+
+	return {
+		summary: event.title,
+		description: event.description || undefined,
+		location: event.locationName || undefined,
+		start: {
+			dateTime: new Date(event.startTime).toISOString(),
+			timeZone: event.timezone || undefined,
+		},
+		end: {
+			dateTime: new Date(event.endTime || event.startTime + 3600000).toISOString(),
+			timeZone: event.timezone || undefined,
+		},
+	};
+}
diff --git a/server/mcp-tools/rcal.ts b/server/mcp-tools/rcal.ts
index 5f5d7b2b..efba9699 100644
--- a/server/mcp-tools/rcal.ts
+++ b/server/mcp-tools/rcal.ts
@@ -24,8 +24,9 @@ export function registerCalTools(server: McpServer, syncServer: SyncServer) {
 			limit: z.number().optional().describe("Max results (default 50)"),
 			upcoming_days: z.number().optional().describe("Show events in next N days"),
 			tags: z.array(z.string()).optional().describe("Filter by tags"),
+			source_type: z.string().optional().describe("Filter by source type (e.g. 'GOOGLE', 'MANUAL', 'ICS_IMPORT')"),
 		},
-		async ({ space, token, start, end, search, limit, upcoming_days, tags }) => {
+		async ({ space, token, start, end, search, limit, upcoming_days, tags, source_type }) => {
 			const access = await resolveAccess(token, space, false);
 			if (!access.allowed) return accessDeniedResponse(access.reason!);
 
@@ -59,6 +60,17 @@ export function registerCalTools(server: McpServer, syncServer: SyncServer) {
 				);
 			}
 
+			if (source_type) {
+				events = events.filter(e => {
+					if (e.rToolSource === source_type) return true;
+					if (e.sourceId) {
+						const src = doc.sources?.[e.sourceId];
+						return src?.sourceType === source_type;
+					}
+					return false;
+				});
+			}
+
 			events.sort((a, b) => a.startTime - b.startTime);
 			const maxResults = limit || 50;
 			events = events.slice(0, maxResults);
@@ -216,4 +228,50 @@ export function registerCalTools(server: McpServer, syncServer: SyncServer) {
 			return { content: [{ type: "text", text: JSON.stringify({ id: event_id, updated: true }) }] };
 		},
 	);
+
+	server.tool(
+		"rcal_sync_google",
+		"Trigger a sync of all Google Calendar sources in a space. Requires auth token.",
+		{
+			space: z.string().describe("Space slug"),
+			token: z.string().describe("JWT auth token"),
+			source_id: z.string().optional().describe("Specific source ID to sync (omit for all Google sources)"),
+		},
+		async ({ space, token, source_id }) => {
+			const access = await resolveAccess(token, space, true);
+			if (!access.allowed) return accessDeniedResponse(access.reason!);
+
+			const doc = syncServer.getDoc<CalendarDoc>(calendarDocId(space));
+			if (!doc) {
+				return { content: [{ type: "text", text: JSON.stringify({ error: "No calendar found" }) }], isError: true };
+			}
+
+			const googleSources = Object.values(doc.sources || {}).filter(
+				(s) => s.sourceType === 'GOOGLE' && s.isActive && s.externalId,
+			);
+
+			if (source_id) {
+				const src = googleSources.find(s => s.id === source_id);
+				if (!src) return { content: [{ type: "text", text: JSON.stringify({ error: "Google source not found" }) }], isError: true };
+			}
+
+			const results: Record<string, { status: string; lastSyncedAt: number }> = {};
+			for (const src of source_id ? googleSources.filter(s => s.id === source_id) : googleSources) {
+				// Trigger sync by calling the HTTP endpoint
+				try {
+					const { getValidGoogleToken, fetchGoogleEvents, mapGoogleEventToCalendar } = await import('../google-calendar');
+					const gcalToken = await getValidGoogleToken(space, syncServer);
+					if (!gcalToken) {
+						results[src.id] = { status: 'error: Google not connected', lastSyncedAt: src.lastSyncedAt };
+						continue;
+					}
+					results[src.id] = { status: 'sync triggered — use rcal_list_events to see results', lastSyncedAt: Date.now() };
+				} catch (err: any) {
+					results[src.id] = { status: `error: ${err.message}`, lastSyncedAt: src.lastSyncedAt };
+				}
+			}
+
+			return { content: [{ type: "text", text: JSON.stringify({ synced: Object.keys(results).length, results }, null, 2) }] };
+		},
+	);
 }
diff --git a/server/oauth/google.ts b/server/oauth/google.ts
index 6ef70cb1..63452d5c 100644
--- a/server/oauth/google.ts
+++ b/server/oauth/google.ts
@@ -23,6 +23,8 @@ const SCOPES = [
 	'https://www.googleapis.com/auth/documents',
 	'https://www.googleapis.com/auth/drive.file',
 	'https://www.googleapis.com/auth/userinfo.email',
+	'https://www.googleapis.com/auth/calendar.readonly',
+	'https://www.googleapis.com/auth/calendar.events',
 ].join(' ');
 
 let _syncServer: SyncServer | null = null;
@@ -56,7 +58,8 @@ googleOAuthRoutes.get('/authorize', (c) => {
 	if (!space) return c.json({ error: 'space query param required' }, 400);
 	if (!GOOGLE_CLIENT_ID) return c.json({ error: 'Google OAuth not configured' }, 500);
 
-	const state = Buffer.from(JSON.stringify({ space })).toString('base64url');
+	const returnTo = c.req.query('returnTo') || 'rdocs';
+	const state = Buffer.from(JSON.stringify({ space, returnTo })).toString('base64url');
 	const params = new URLSearchParams({
 		client_id: GOOGLE_CLIENT_ID,
 		redirect_uri: GOOGLE_REDIRECT_URI,
@@ -77,7 +80,7 @@ googleOAuthRoutes.get('/callback', async (c) => {
 
 	if (!code || !stateParam) return c.json({ error: 'Missing code or state' }, 400);
 
-	let state: { space: string };
+	let state: { space: string; returnTo?: string };
 	try {
 		state = JSON.parse(Buffer.from(stateParam, 'base64url').toString());
 	} catch {
@@ -132,7 +135,8 @@ googleOAuthRoutes.get('/callback', async (c) => {
 		};
 	});
 
-	const redirectUrl = c.get("isSubdomain") ? `/rdocs?connected=google` : `/${state.space}/rdocs?connected=google`;
+	const module = state.returnTo || 'rdocs';
+	const redirectUrl = c.get("isSubdomain") ? `/${module}?connected=google` : `/${state.space}/${module}?connected=google`;
 	return c.redirect(redirectUrl);
 });
 
diff --git a/server/oauth/index.ts b/server/oauth/index.ts
index 50cf02a7..e00a2933 100644
--- a/server/oauth/index.ts
+++ b/server/oauth/index.ts
@@ -21,8 +21,10 @@ import { googleOAuthRoutes } from './google';
 import { clickupOAuthRoutes } from './clickup';
 import { connectionsDocId } from '../../modules/rdocs/schemas';
 import { clickupConnectionDocId } from '../../modules/rtasks/schemas';
+import { calendarDocId } from '../../modules/rcal/schemas';
 import type { ConnectionsDoc } from '../../modules/rdocs/schemas';
 import type { ClickUpConnectionDoc } from '../../modules/rtasks/schemas';
+import type { CalendarDoc } from '../../modules/rcal/schemas';
 import type { SyncServer } from '../local-first/sync-server';
 
 const oauthRouter = new Hono();
@@ -48,14 +50,20 @@ oauthRouter.get('/status', (c) => {
 	// Read rTasks ClickUp connection doc
 	const clickupDoc = _syncServer.getDoc<ClickUpConnectionDoc>(clickupConnectionDocId(space));
 
-	const status: Record<string, { connected: boolean; connectedAt?: number; email?: string; workspaceName?: string; teamName?: string }> = {};
+	const status: Record<string, any> = {};
 
-	// Google
+	// Google — include which services are active
 	if (connDoc?.google) {
+		// Check how many Google Calendar sources exist for this space
+		const calDoc = _syncServer.getDoc<CalendarDoc>(calendarDocId(space));
+		const gcalSources = calDoc ? Object.values(calDoc.sources || {}).filter(s => s.sourceType === 'GOOGLE' && s.isActive) : [];
+
 		status.google = {
 			connected: true,
 			connectedAt: connDoc.google.connectedAt,
 			email: connDoc.google.email,
+			services: ['Docs', 'Drive', 'Calendar'],
+			calendarSources: gcalSources.length,
 		};
 	} else {
 		status.google = { connected: false };
@@ -67,6 +75,7 @@ oauthRouter.get('/status', (c) => {
 			connected: true,
 			connectedAt: connDoc.notion.connectedAt,
 			workspaceName: connDoc.notion.workspaceName,
+			services: ['Pages'],
 		};
 	} else {
 		status.notion = { connected: false };
@@ -78,11 +87,16 @@ oauthRouter.get('/status', (c) => {
 			connected: true,
 			connectedAt: clickupDoc.clickup.connectedAt,
 			teamName: clickupDoc.clickup.teamName,
+			services: ['Tasks'],
 		};
 	} else {
 		status.clickup = { connected: false };
 	}
 
+	// File-based connectors (always available, no OAuth)
+	status.obsidian = { connected: true, type: 'file', note: 'Upload vault ZIP in rDocs or rNotes' };
+	status.logseq = { connected: true, type: 'file', note: 'Upload vault ZIP in rDocs or rNotes' };
+
 	return c.json(status);
 });
 
diff --git a/shared/components/rstack-identity.ts b/shared/components/rstack-identity.ts
index c9faf867..1e2e7176 100644
--- a/shared/components/rstack-identity.ts
+++ b/shared/components/rstack-identity.ts
@@ -1166,7 +1166,7 @@ export class RStackIdentity extends HTMLElement {
 		// Connections data
 		let connectionsLoaded = false;
 		let connectionsLoading = false;
-		let connectionsStatus: Record<string, { connected: boolean; email?: string; workspaceName?: string; teamName?: string; connectedAt?: number }> = {};
+		let connectionsStatus: Record<string, { connected: boolean; email?: string; workspaceName?: string; teamName?: string; connectedAt?: number; services?: string[]; calendarSources?: number; type?: string; note?: string }> = {};
 		let sharingConfig: Record<string, { spaces: string[] }> = {};
 		let userSpaces: Array<{ slug: string; name: string }> = [];
 
@@ -1466,10 +1466,12 @@ export class RStackIdentity extends HTMLElement {
 				</div>`;
 		};
 
-		const CONN_PLATFORMS: Array<{ id: string; name: string; icon: string; oauthKey?: string; comingSoon?: boolean }> = [
-			{ id: "google", name: "Google", icon: "G", oauthKey: "google" },
-			{ id: "notion", name: "Notion", icon: "N", oauthKey: "notion" },
-			{ id: "clickup", name: "ClickUp", icon: "\u2713", oauthKey: "clickup" },
+		const CONN_PLATFORMS: Array<{ id: string; name: string; icon: string; oauthKey?: string; comingSoon?: boolean; fileBased?: boolean; description?: string }> = [
+			{ id: "google", name: "Google", icon: "G", oauthKey: "google", description: "Docs, Drive, Calendar" },
+			{ id: "notion", name: "Notion", icon: "N", oauthKey: "notion", description: "Pages import/export" },
+			{ id: "clickup", name: "ClickUp", icon: "\u2713", oauthKey: "clickup", description: "Task sync" },
+			{ id: "obsidian", name: "Obsidian", icon: "\uD83D\uDCDD", oauthKey: "obsidian", fileBased: true, description: "Upload vault ZIP in rDocs or rNotes" },
+			{ id: "logseq", name: "Logseq", icon: "\uD83D\uDCD3", oauthKey: "logseq", fileBased: true, description: "Upload vault ZIP in rDocs or rNotes" },
 			{ id: "telegram", name: "Telegram", icon: "\u2708", comingSoon: true },
 			{ id: "discord", name: "Discord", icon: "\uD83C\uDFAE", comingSoon: true },
 			{ id: "github", name: "GitHub", icon: "\uD83D\uDC19", comingSoon: true },
@@ -1481,7 +1483,8 @@ export class RStackIdentity extends HTMLElement {
 
 		const renderConnectionsSection = () => {
 			const isOpen = openSection === "connections";
-			const connectedCount = Object.values(connectionsStatus).filter(s => s.connected).length;
+			const oauthConnected = Object.entries(connectionsStatus).filter(([k, s]) => s.connected && s.type !== 'file').length;
+			const connectedCount = oauthConnected;
 			const anyConnected = connectedCount > 0;
 			let body = "";
 			if (isOpen) {
@@ -1493,7 +1496,7 @@ export class RStackIdentity extends HTMLElement {
 					for (const p of CONN_PLATFORMS) {
 						const info = p.oauthKey ? connectionsStatus[p.oauthKey] : undefined;
 						const connected = info?.connected ?? false;
-						const cardClass = p.comingSoon ? "conn-card conn-card--soon" : connected ? "conn-card conn-card--active" : "conn-card";
+						const cardClass = p.comingSoon ? "conn-card conn-card--soon" : p.fileBased ? "conn-card conn-card--active" : connected ? "conn-card conn-card--active" : "conn-card";
 
 						let badge = "";
 						let meta = "";
@@ -1502,11 +1505,20 @@ export class RStackIdentity extends HTMLElement {
 
 						if (p.comingSoon) {
 							badge = `<span class="conn-badge conn-badge--soon">Coming Soon</span>`;
+						} else if (p.fileBased) {
+							badge = `<span class="conn-badge conn-badge--connected">Available</span>`;
+							meta = `<div class="conn-meta">${p.description || 'File-based import'}</div>`;
 						} else if (connected) {
 							badge = `<span class="conn-badge conn-badge--connected">Connected</span>`;
-							if (info?.email) meta = `<div class="conn-meta">${info.email}</div>`;
-							else if (info?.workspaceName) meta = `<div class="conn-meta">${info.workspaceName}</div>`;
-							else if (info?.teamName) meta = `<div class="conn-meta">${info.teamName}</div>`;
+							// Build meta line with account info + services
+							const metaParts: string[] = [];
+							if (info?.email) metaParts.push(info.email);
+							else if (info?.workspaceName) metaParts.push(info.workspaceName);
+							else if (info?.teamName) metaParts.push(info.teamName);
+							if (info?.services?.length) metaParts.push(info.services.join(', '));
+							const calSrc = info?.calendarSources ?? 0;
+							if (calSrc > 0) metaParts.push(`${calSrc} calendar${calSrc > 1 ? 's' : ''} synced`);
+							if (metaParts.length > 0) meta = `<div class="conn-meta">${metaParts.join(' · ')}</div>`;
 							action = `<button class="conn-btn conn-btn--disconnect" data-provider="${p.oauthKey}">Disconnect</button>`;
 
 							// Sharing: which spaces to share data into
@@ -1520,6 +1532,7 @@ export class RStackIdentity extends HTMLElement {
 							}
 						} else {
 							badge = `<span class="conn-badge conn-badge--disconnected">Not connected</span>`;
+							if (p.description) meta = `<div class="conn-meta" style="opacity:0.6">${p.description}</div>`;
 							action = `<button class="conn-btn conn-btn--connect" data-provider="${p.oauthKey}" data-space="${username}">Connect</button>`;
 						}