How do I run OpenAPI MCP Server in SSE mode?

Use `docker run -p 8001:8000 --rm -e MODE=sse 3loc/openapi-mcp-server` or `docker compose up sse-mcp-server`.

How do I configure OpenAPI MCP Server?

Create an `mcp.json` file with the appropriate command/args for stdio mode or a URL for SSE mode. The server reads the `MODE` environment variable to select the transport.

SSyncDev

Start a project

OpenAPI MCP Server

This is a skeleton project that you can use as a starting point for building your own MCP server. The example addition function demonstrates how to

Local serverstdio

What is the OpenAPI MCP Server?

This is a skeleton project that you can use as a starting point for building your own MCP server. The example addition function demonstrates how to implement

What you get

✅ Standard I/O (stdio)
✅ Server-Sent Events (SSE)
✅ OpenAPI/REST endpoints

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 OpenAPI MCP Server

{
  "mcpServers": {
    "openapi-mcp-server-3loc": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "3loc/openapi-mcp-server"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.