by sparfenyuk
A bridge between Streamable HTTP and stdio MCP transports
# Add to your Claude Code skills
git clone https://github.com/sparfenyuk/mcp-proxy
The is a tool that lets you switch between server transports. There are two supported modes:
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mcp-proxyRun a proxy server from stdio that connects to a remote SSE server.
This mode allows clients like Claude Desktop to communicate to a remote server over SSE even though it is not supported natively.
graph LR
A["Claude Desktop"] <--> |stdio| B["mcp-proxy"]
B <--> |SSE| C["External MCP Server"]
style A fill:#ffe6f9,stroke:#333,color:black,stroke-width:2px
style B fill:#e6e6ff,stroke:#333,color:black,stroke-width:2px
style C fill:#e6ffe6,stroke:#333,color:black,stroke-width:2px
This mode requires providing the URL of the MCP Server's SSE endpoint as the program’s first argument. If the server uses Streamable HTTP transport, make sure to enforce it on the mcp-proxy side by passing --transport=streamablehttp.
Arguments
| Name | Required | Description | Example |
| ---------------- | -------- | ----------------------------------------------------------------------------------------------------------------- | --------------------------------------------- |
| command_or_url | Yes | The MCP server SSE endpoint to connect to | http://example.io/sse |
| --headers | No | Headers to use for the MCP server SSE connection | Authorization 'Bear...