diff --git a/modules/rsheet/mod.ts b/modules/rsheets/mod.ts
similarity index 96%
rename from modules/rsheet/mod.ts
rename to modules/rsheets/mod.ts
index 8f34fd6d..2ac1f8ce 100644
--- a/modules/rsheet/mod.ts
+++ b/modules/rsheets/mod.ts
@@ -1,5 +1,5 @@
 /**
- * rSheet module — collaborative spreadsheets powered by dSheet.
+ * rSheets module — collaborative spreadsheets powered by dSheet.
  *
  * Embeds @fileverse-dev/dsheet as an external app within the rSpace shell.
  */
@@ -108,11 +108,11 @@ routes.get("/", (c) => {
 	const space = c.req.param("space") || "demo";
 	return c.html(
 		renderExternalAppShell({
-			title: `Spreadsheets — rSheet | rSpace`,
-			moduleId: "rsheet",
+			title: `Spreadsheets — rSheets | rSpace`,
+			moduleId: "rsheets",
 			spaceSlug: space,
 			modules: getModuleInfoList(),
-			appUrl: `/rsheet/app`,
+			appUrl: `/rsheets/app`,
 			appName: "dSheet",
 			theme: "dark",
 		})
@@ -128,7 +128,7 @@ routes.get("/app", (c) => {
 <head>
 <meta charset="utf-8" />
 <meta name="viewport" content="width=device-width, initial-scale=1" />
-<title>rSheet — ${space}</title>
+<title>rSheets — ${space}</title>
 <style>
   * { margin: 0; padding: 0; box-sizing: border-box; }
   html, body, #sheet { width: 100%; height: 100%; background: #0f172a; color: #e2e8f0; }
@@ -265,16 +265,16 @@ export function getRecentSheetsForMI(space: string, limit = 5): { id: string; na
 
 // ── Module definition ──
 
-export const sheetModule: RSpaceModule = {
-	id: "rsheet",
-	name: "rSheet",
+export const sheetsModule: RSpaceModule = {
+	id: "rsheets",
+	name: "rSheets",
 	icon: "\u{1F4CA}",
 	description: "Collaborative spreadsheets",
 	scoping: { defaultScope: "space", userConfigurable: false },
 	docSchemas: [{ pattern: '{space}:sheet:sheets:{sheetId}', description: 'One doc per spreadsheet', init: sheetSchema.init }],
 	routes,
 	externalApp: {
-		url: "/rsheet/app",
+		url: "/rsheets/app",
 		name: "dSheet",
 	},
 	async onInit(ctx) { _syncServer = ctx.syncServer; },
@@ -292,7 +292,7 @@ export const sheetModule: RSpaceModule = {
 			icon: "\u{1F4CA}",
 			description: "Create or edit a collaborative spreadsheet",
 			type: "navigate" as any,
-			href: "/rsheet",
+			href: "/rsheets",
 		},
 	],
 };
diff --git a/modules/rsheet/schemas.ts b/modules/rsheets/schemas.ts
similarity index 97%
rename from modules/rsheet/schemas.ts
rename to modules/rsheets/schemas.ts
index e82ae999..2f70da87 100644
--- a/modules/rsheet/schemas.ts
+++ b/modules/rsheets/schemas.ts
@@ -1,5 +1,5 @@
 /**
- * rSheet Automerge document schemas.
+ * rSheets Automerge document schemas.
  *
  * Granularity: one Automerge document per sheet.
  * DocId format: {space}:sheet:sheets:{sheetId}
diff --git a/server/mcp-server.ts b/server/mcp-server.ts
index 58f0712d..5285f528 100644
--- a/server/mcp-server.ts
+++ b/server/mcp-server.ts
@@ -11,7 +11,7 @@
  *   rvote (3), rchoices (3), rtrips (4), rcart (4), rexchange (4), rbnb (4),
  *   rvnb (3), crowdsurf (2), rbooks (2), rpubs (2), rmeets (2), rtube (2),
  *   rswag (2), rdesign (2), rsplat (2), rphotos (2), rflows (2), rdocs (1),
- *   rdata (1), rforum (2), rchats (3), rmaps (3), rsheet (2), rgov (2)
+ *   rdata (1), rforum (2), rchats (3), rmaps (3), rsheets (2), rgov (2)
  * 1 resource: rspace://spaces/{slug}
  */
 
@@ -53,7 +53,7 @@ import { registerDataTools } from "./mcp-tools/rdata";
 import { registerForumTools } from "./mcp-tools/rforum";
 import { registerChatsTools } from "./mcp-tools/rchats";
 import { registerMapsTools } from "./mcp-tools/rmaps";
-import { registerSheetTools } from "./mcp-tools/rsheet";
+import { registerSheetsTools } from "./mcp-tools/rsheets";
 import { registerGovTools } from "./mcp-tools/rgov";
 
 function createMcpServerInstance(syncServer: SyncServer): McpServer {
@@ -95,7 +95,7 @@ function createMcpServerInstance(syncServer: SyncServer): McpServer {
 	registerForumTools(server, syncServer);
 	registerChatsTools(server, syncServer);
 	registerMapsTools(server, syncServer);
-	registerSheetTools(server, syncServer);
+	registerSheetsTools(server, syncServer);
 	registerGovTools(server);
 
 	return server;
diff --git a/server/mcp-tools/rsheet.ts b/server/mcp-tools/rsheets.ts
similarity index 86%
rename from server/mcp-tools/rsheet.ts
rename to server/mcp-tools/rsheets.ts
index 7df5c8dc..f6528861 100644
--- a/server/mcp-tools/rsheet.ts
+++ b/server/mcp-tools/rsheets.ts
@@ -1,20 +1,20 @@
 /**
- * MCP tools for rSheet (collaborative spreadsheets).
+ * MCP tools for rSheets (collaborative spreadsheets).
  * Multi-doc: {space}:sheet:sheets:{sheetId}
  *
- * Tools: rsheet_list_sheets, rsheet_get_sheet
+ * Tools: rsheets_list_sheets, rsheets_get_sheet
  */
 
 import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
 import { z } from "zod";
 import type { SyncServer } from "../local-first/sync-server";
-import { sheetDocId } from "../../modules/rsheet/schemas";
-import type { SheetDoc } from "../../modules/rsheet/schemas";
+import { sheetDocId } from "../../modules/rsheets/schemas";
+import type { SheetDoc } from "../../modules/rsheets/schemas";
 import { resolveAccess, accessDeniedResponse } from "./_auth";
 
-export function registerSheetTools(server: McpServer, syncServer: SyncServer) {
+export function registerSheetsTools(server: McpServer, syncServer: SyncServer) {
 	server.tool(
-		"rsheet_list_sheets",
+		"rsheets_list_sheets",
 		"List spreadsheets in a space",
 		{
 			space: z.string().describe("Space slug"),
@@ -48,7 +48,7 @@ export function registerSheetTools(server: McpServer, syncServer: SyncServer) {
 	);
 
 	server.tool(
-		"rsheet_get_sheet",
+		"rsheets_get_sheet",
 		"Get full sheet data (meta, columns, cells)",
 		{
 			space: z.string().describe("Space slug"),
diff --git a/server/mi-data-queries.ts b/server/mi-data-queries.ts
index 4065739a..01682ec5 100644
--- a/server/mi-data-queries.ts
+++ b/server/mi-data-queries.ts
@@ -20,7 +20,7 @@ import { getRecentVideosForMI } from "../modules/rtube/mod";
 import { getRecentMessagesForMI } from "../modules/rchats/mod";
 import { getRecentPublicationsForMI } from "../modules/rpubs/mod";
 import { getRecentDesignsForMI } from "../modules/rswag/mod";
-import { getRecentSheetsForMI } from "../modules/rsheet/mod";
+import { getRecentSheetsForMI } from "../modules/rsheets/mod";
 import { getLinkedDocsForMI } from "../modules/rdocs/mod";
 import { getRecentSessionsForMI } from "../modules/rdesign/mod";
 import { getSharedAlbumsForMI } from "../modules/rphotos/mod";
@@ -205,7 +205,7 @@ export function queryModuleContent(
 			return { ok: true, module, queryType, data: designs, summary: lines.length ? `Store designs:\n${lines.join("\n")}` : "No designs found." };
 		}
 
-		case "rsheet": {
+		case "rsheets": {
 			const sheets = getRecentSheetsForMI(space, limit);
 			if (queryType === "count") {
 				return { ok: true, module, queryType, data: { count: sheets.length }, summary: `${sheets.length} spreadsheets found.` };
diff --git a/server/mi-routes.ts b/server/mi-routes.ts
index d90fd70c..59966a7e 100644
--- a/server/mi-routes.ts
+++ b/server/mi-routes.ts
@@ -33,7 +33,7 @@ import { getRecentVideosForMI } from "../modules/rtube/mod";
 import { getRecentMessagesForMI } from "../modules/rchats/mod";
 import { getRecentPublicationsForMI } from "../modules/rpubs/mod";
 import { getRecentDesignsForMI } from "../modules/rswag/mod";
-import { getRecentSheetsForMI } from "../modules/rsheet/mod";
+import { getRecentSheetsForMI } from "../modules/rsheets/mod";
 import { getLinkedDocsForMI } from "../modules/rdocs/mod";
 import { getRecentSessionsForMI } from "../modules/rdesign/mod";
 import { getSharedAlbumsForMI } from "../modules/rphotos/mod";
@@ -551,7 +551,7 @@ When you need to look up the user's actual data (notes, tasks, events):
 [MI_ACTION:{"type":"query-content","module":"rchats","queryType":"recent","limit":5}]
 [MI_ACTION:{"type":"query-content","module":"rpubs","queryType":"recent","limit":5}]
 [MI_ACTION:{"type":"query-content","module":"rswag","queryType":"recent","limit":5}]
-[MI_ACTION:{"type":"query-content","module":"rsheet","queryType":"recent","limit":5}]
+[MI_ACTION:{"type":"query-content","module":"rsheets","queryType":"recent","limit":5}]
 [MI_ACTION:{"type":"query-content","module":"rdocs","queryType":"recent","limit":5}]
 [MI_ACTION:{"type":"query-content","module":"rdesign","queryType":"recent","limit":5}]
 [MI_ACTION:{"type":"query-content","module":"rphotos","queryType":"recent","limit":5}]
