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

up checked 2026-11-11T08:37:24.569Z

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Publisher-provided description

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

Summary by lookupd

Looks up, validates, searches and crosswalks US medical codes (ICD-10, HCPCS, RxNorm) offline from bundled releases, with no API key.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http medical-codes-mcp-server https://medical-codes.caseyjhand.com/mcp

Claude Code, npm package (stdio)

claude mcp add medical-codes-mcp-server -- npx -y @cyanheads/medical-codes-mcp-server

Claude Code, npm package (stdio)

claude mcp add medical-codes-mcp-server -- npx -y @cyanheads/medical-codes-mcp-server

Codex, remote (streamable-http)

codex mcp add medical-codes-mcp-server --url https://medical-codes.caseyjhand.com/mcp

Codex, npm package (stdio)

codex mcp add medical-codes-mcp-server -- npx -y @cyanheads/medical-codes-mcp-server

Codex, npm package (stdio)

codex mcp add medical-codes-mcp-server -- npx -y @cyanheads/medical-codes-mcp-server

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "medical-codes-mcp-server": {
      "url": "https://medical-codes.caseyjhand.com/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "medical-codes-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/medical-codes-mcp-server"
      ]
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "medical-codes-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/medical-codes-mcp-server"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (6 tools)

Publisher-provided text

• medcode_get_code Decode one or more US medical codes to their official descriptions across ICD-10-CM (diagnoses), ICD-10-PCS (inpatient procedures), HCPCS Level II (supplies/dru
• medcode_search_codes Find US medical codes whose official descriptions match a described concept, via full-text search over the bundled index. Every search term must appear — matche
• medcode_check_code Validate whether a US medical code exists, is current, and is billable in the active bundled release. Returns a discriminated status — valid_billable, valid_not
• medcode_map_codes Crosswalk a US medical code or drug across systems and within a hierarchy. Hierarchy directions: `parents` and `children` walk a code's hierarchy one level per
• medcode_browse_hierarchy Walk a US medical code system's hierarchy for discovery without a search term. With no `node`, returns the top-level entries (ICD-10-CM categories, HCPCS range
• medcode_list_systems List the bundled US medical code systems with their release identifiers, effective dates, and code counts, and the RxClass drug-class layer the class crosswalks

Details

• Version: 0.5.1
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 687 ms
• First indexed: 2026-11-01T09:26:14.085Z
• Last seen in registry: 2026-11-01T09:26:14.610Z
• Repository: https://github.com/cyanheads/medical-codes-mcp-server

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