Cloudflare MCP Server
Last Updated: 2025-11-21
Quick Start
typescriptimport { McpServer } from '@modelcontextprotocol/sdk'; const server = new McpServer({ name: 'my-server', version: '1.0.0' }); server.tool('getTodo', async ({ id }) => ({ id, title: 'Task', completed: false })); export default server;
Core Concepts
- Tools: Functions AI can call
- Resources: Data AI can access
- Prompts: Reusable templates
- Transports: SSE, HTTP, WebSocket
Example Tool
typescriptserver.tool('searchDocs', { description: 'Search documentation', parameters: { type: 'object', properties: { query: { type: 'string' } } }, handler: async ({ query }) => { return { results: [...] }; } });
Resources
Core Documentation
references/quick-start-guide.md(704 lines) - Official Cloudflare templates, complete step-by-step workflow, 5-minute setupreferences/core-concepts.md(66 lines) - MCP fundamentals: tools, resources, prompts, transportsreferences/worker-basics.md(326 lines) - Worker & Durable Objects basics, transport selection, HTTP fundamentalsreferences/stateful-servers.md(246 lines) - Durable Objects integration, WebSocket hibernation, cost optimization, common patternsreferences/production-deployment.md(814 lines) - Deployment & testing, configuration reference, authentication patterns, 22 known errors with solutions
Templates
templates/basic-mcp.ts- Minimal MCP servertemplates/tools-example.ts- Tool definitionstemplates/durable-object-mcp.ts- Stateful MCP with DOtemplates/websocket-mcp.ts- WebSocket transport
Official Docs: https://modelcontextprotocol.io | Cloudflare: https://developers.cloudflare.com/workers/runtime-apis/durable-objects/

