Firestore MCP Server

import { McpServer, ResourceTemplate } from "@modelcontextprotocol/sdk/server/mcp.js"; import { FirestoreClient } from "../firestore/client.js"; import { PermissionManager } from "../permissions/manager.js"; export function registerDocumentResources( server: McpServer, firestoreClient: FirestoreClient, permissionManager: PermissionManager ) { // Register document resource template server.resource( "document", new ResourceTemplate("firestore://collection/{collectionId}/document/{documentId}", { list: undefined }), async (uri, { collectionId, documentId }) => { // Check permissions if (!permissionManager.hasPermission(collectionId as string, 'read')) { throw new Error(`Access denied to document: ${collectionId}/${documentId}`); } try { const document = await firestoreClient.getDocument(collectionId as string, documentId as string); if (!document) { throw new Error(`Document ${documentId} not found in collection ${collectionId}`); } return { contents: [{ uri: uri.href, text: JSON.stringify(document, null, 2), mimeType: "application/json" }] }; } catch (error) { console.error(`Error reading document ${collectionId}/${documentId}:`, error); throw new Error(`Failed to read document ${collectionId}/${documentId}: ${error instanceof Error ? error.message : String(error)}`); } } ); }