Google Docs MCP

import {z} from 'zod'; import type {McpServer} from '@modelcontextprotocol/sdk/server/mcp.js'; import type {Config} from './types.js'; import {makeDocsApiCall} from '../utils/docs-api.js'; import {jsonResult} from '../utils/response.js'; const inputSchema = { documentId: z.string().describe('The ID of the document to insert into'), text: z.string().describe('The text to insert'), index: z.number().describe('The zero-based index where to insert the text. Index 1 is the beginning of the document body (index 0 is reserved).'), segmentId: z.string().optional().describe('The ID of the header, footer, or footnote to insert into. Leave empty for the main body.'), }; const outputSchema = z.object({ documentId: z.string(), replies: z.array(z.unknown()).optional(), }).passthrough(); export function registerDocumentInsert(server: McpServer, config: Config): void { server.registerTool( 'document_insert', { title: 'Insert into document', description: 'Insert text at a specific location in a Google Doc. Use document_get to find the appropriate index. Index 1 is the beginning of the document body.', inputSchema, outputSchema, }, async ({documentId, text, index, segmentId}) => { const location: {index: number; segmentId?: string} = {index}; if (segmentId) { location.segmentId = segmentId; } const requests = [ { insertText: { text, location, }, }, ]; const result = await makeDocsApiCall('POST', `/documents/${documentId}:batchUpdate`, config.token, {requests}); return jsonResult(outputSchema.parse(result)); }, ); }