Add this MCP server to Claude Code.
Name: FHIR API MCP
Merge into: ~/.claude/mcp.json under mcpServers

---
{
  "mcpServers": {
    "fhir": {
      "command": "npx",
      "args": ["-y", "@anthropic-community/mcp-fhir"],
      "env": {
        "FHIR_BASE_URL": "https://your-fhir-server.example.com/fhir/R4",
        "FHIR_AUTH_TOKEN": "<YOUR_BEARER_TOKEN>"
      }
    }
  }
}

// ── Setup ────────────────────────────────────────────────────────────────────
// 1. Set FHIR_BASE_URL to your FHIR R4 server endpoint
//    For development, use HAPI FHIR public sandbox: https://hapi.fhir.org/baseR4
//
// 2. Set FHIR_AUTH_TOKEN if your server requires authentication
//    For the public sandbox, leave empty or omit
//
// ── Available tools ──────────────────────────────────────────────────────────
// search_resources       query Patient, Observation, Condition, etc. with search params
// read_resource          fetch a specific resource by type and ID
// validate_resource      validate a FHIR payload against the R4 spec
// get_capability_statement  inspect server capabilities
// list_resource_types    browse available FHIR resource definitions