MCP Config Generator

Build and validate MCP server config JSON

MCP (Model Context Protocol) is an open protocol for connecting tools and data sources to LLM clients. Clients read a JSON config that lists the servers to connect to. This tool builds that JSON from a form, validates it as you go, and shows where the file lives for common clients. Everything stays in your browser.

Servers

Security: a stdio server is a local program the client launches and runs with your user account. Only add servers you trust, from sources you have verified. Env values (like API keys) entered here stay on this page and, once in your config file, stay on your machine; they are not sent anywhere by this tool.

Example presets

These are illustrative examples, not endorsements. Replace commands, paths, URLs, and tokens with your own before use.

Validate an existing config

Generated config


  


  

    
Where this file lives