io.github.cyanheads/medical-codes-mcp-server MCP Server

io.github.cyanheads/medical-codes-mcp-server

Repository Registry

What is the io.github.cyanheads/medical-codes-mcp-server MCP server?

Offline US medical code lookup and crosswalk — ICD-10-CM/PCS, HCPCS Level II, RxNorm. Keyless.

How to install io.github.cyanheads/medical-codes-mcp-server

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

MCP_LOG_LEVEL
Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
MEDCODE_DB_PATH
Absolute path override for the bundled SQLite index. Defaults to the packaged data/medical-codes.db.
MEDCODE_MAX_RESULTS
Default page size when a call sends no limit (search, browse, and the paginated map_codes directions), and the number of children get_code attaches with includeHierarchy (default 50, hard ceiling 200).
MCP_HTTP_HOST
The hostname for the HTTP server.
MCP_HTTP_PORT
The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH
The endpoint path for the MCP server.
MCP_AUTH_MODE
Authentication mode to use: 'none', 'jwt', or 'oauth'.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "medical-codes-mcp-server": {
      "command": "node",
      "args": [
        "-y",
        "@cyanheads/medical-codes-mcp-server",
        "run",
        "start:stdio"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>",
        "MEDCODE_DB_PATH": "<YOUR_MEDCODE_DB_PATH>",
        "MEDCODE_MAX_RESULTS": "<YOUR_MEDCODE_MAX_RESULTS>",
        "MCP_HTTP_HOST": "<YOUR_MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<YOUR_MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<YOUR_MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<YOUR_MCP_AUTH_MODE>"
      }
    }
  }
}