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40mcp

Beta bridge that exposes any API or MCP server over stdio or SSE, in any direction

Aboutgithub.com

40mcp is a universal API-to-MCP bridge from the 40verse project. It connects any API or MCP server over stdio or SSE in either direction, and it is token- and policy-aware. Community configs, a specification, and an API reference live in the repository. It is in beta and uses the MIT license.

Install

npx 40mcp@beta

For an agent

Use it when a basic OpenAPI-to-MCP converter lacks the policy or token controls you need. It is a one-star beta project, so test it carefully.

Why it is here. It addresses token and policy limits that simple MCP bridges ignore.

Install command, framework, licence and component list.

Notable for

Any API to MCP
Token-aware
MIT license

Provenance

Verified 2026-10-09. HTTP 200. https://github.com/40verse/40mcp (HTTP 200, page fetched 2026-10-09), https://github.com/40verse/40mcp (GitHub API, 1 stars), depo.zip listing https://www.depo.zip/tools/j571je3j95jvjkr0ds5v5h1yh5859wqj

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