Express MCP Server

@jhgaylor

代码仓库

基本信息

分类

开发工具

传输方式

stdio

作者

jhgaylor

关于 Express MCP Server

An MCP server providing tools to extract text from things

#express-mcp#text-extractor#mcp-server

Express MCP Server 配置

暂无标准配置

该服务器的 README 中没有可解析的 MCP 配置块，请前往代码仓库查看安装说明。

代码仓库

Express MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is Express MCP Server?

Express MCP Server is a stateless Model Context Protocol (MCP) server built with Express and TypeScript. It implements a simple echo endpoint with a resource, tool, and prompt, using modern Streamable HTTP transport for LLMs to interact with external data.

How to use Express MCP Server?

Clone the repository, install dependencies with npm install, build TypeScript with npm run build, and run in development mode with npm run dev. The server exposes a POST /mcp endpoint that accepts JSON-RPC requests. Use curl to send initialize and tools/call commands as shown in the README.

Key features of Express MCP Server

Stateless MCP server with Streamable HTTP transport
TypeScript for type safety
Express.js for HTTP handling
Three echo components: resource, tool, and prompt
Simple JSON-RPC endpoint for LLM interaction

Use cases of Express MCP Server

Testing MCP protocol implementations in a controlled environment
Building a lightweight mock MCP server for development
Providing a quick echo service for LLM tool demonstrations
Prototyping MCP resource, tool, and prompt integration

常见问题

What runtime and package manager are required?

Node.js 18+ and either npm or yarn.

How do I interact with the server?

Send a POST request to `/mcp` with a JSON-RPC payload, as shown in the curl examples for initialize and tools/call.

What MCP components does the server provide?

A resource at `echo://{message}`, a tool called `echo`, and a prompt called `echo` – all echo the provided message back.

What transport does the server use?

It uses the Streamable HTTP transport for Model Context Protocol.

Is the server stateful or stateless?

It is stateless; each request is handled independently without persistent session state.

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