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A 25MB database client for 100+ databases — with a built-in AI assistant, MCP server and CLI
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View guide →A bridge between Streamable HTTP / SSE and stdio MCP transports — connect any client to any server
mcp-proxy is an open-source dev tools project by sparfenyuk (sparfenyuk/mcp-proxy on GitHub). It has 2,776 GitHub stars and 268 forks, is released under the MIT license, and was last updated on GitHub on 20 July 2026.
Decide the direction: a stdio client reaching a remote HTTP server, or a local stdio server being exposed over HTTP.
Install it from PyPI with uv or pipx, or pull the container image.
Add it to your MCP client config with the server URL or command, plus any headers, OAuth settings or named-server definitions.
Restart the client and confirm the proxied server's tools appear and a tool call succeeds.
Connects stdio clients to a remote server URL, with --transport to force sse or streamablehttp.
Spawns a local stdio server (command after --) and serves it on a host/port you choose.
--named-server or a JSON config file hosts several stdio servers under /servers/<name>/ paths, with a /status endpoint.
Supports custom headers, an API_ACCESS_TOKEN environment variable, and OAuth2 client-id/secret/token-url options.
--env, --cwd and --pass-environment control the environment the spawned server runs with.
Published to GHCR and Docker Hub as multi-platform (amd64/arm64) images, extensible with your own Dockerfile.
Clone mcp-proxy if you want the source; most users install from PyPI in step 2.
git clone https://github.com/sparfenyuk/mcp-proxy.git
cd mcp-proxyInstall the published package with uv (recommended) or pipx.
uv tool install mcp-proxyExpose a local stdio MCP server on port 8080, as the README examples show.
mcp-proxy --port=8080 uvx mcp-server-fetchsparfenyuk maintains it, with the package published on PyPI as mcp-proxy.
Yes, it is MIT-licensed.
No — it is transport plumbing. The servers you proxy may have their own keys, which you pass through via headers or env.
Those are gateways that aggregate many servers with dashboards and auth. mcp-proxy is a focused, single-purpose transport bridge you run as a command.
uv tool install mcp-proxy, then add it to your client config pointing at a server URL, or run mcp-proxy --port=8080 <stdio command>.
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