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

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

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

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "medical-codes-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/medical-codes-mcp-server@0.5.1"
      ],
      "env": {
        "MCP_LOG_LEVEL": "info",
        "MEDCODE_MAX_RESULTS": "50"
      }
    }
  }
}
Environment variables
  • MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').
  • MEDCODE_MAX_RESULTSDefault 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).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.5.1
Registry
active
Published
10/29/2026

Remotes

  • streamable-httphttps://medical-codes.caseyjhand.com/mcp

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