What are the dependencies or runtime requirements?

You need Node.js and npx (bundled with npm). The adapter is run via `npx -y mcp2http`.

How does session tracking work?

The adapter generates a UUID and adds it as a `Session-Id` header to every request. Servers may ignore this header; it is optional.

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MCP2HTTP MCP Server

MCP2HTTP is a minimal transport adapter that bridges MCP clients using stdio with stateless HTTP servers.

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What is the MCP2HTTP MCP Server?

MCP2HTTP is a minimal transport adapter that bridges MCP clients using stdio with stateless HTTP servers.

What the server does

MCP2HTTP enables Model Context Protocol clients using stdio transport to communicate with MCP servers over stateless HTTP. While MCP typically uses either stdio (for local processes) or Server-Sent Events (SSE) transport, this adapter bridges to regular HTTP endpoints, enabling new integration possibilities.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the MCP2HTTP MCP Server

{
  "mcpServers": {
    "mcp2http": {
      "command": "npx",
      "args": ["-y", "mcp2http"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Frequently asked questions

It converts stdio-based MCP client communication to regular HTTP requests, allowing clients to talk to servers over stateless HTTP without SSE.

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