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io.github.cyanheads/clinicaltrialsgov-mcp-server

Search ClinicalTrials.gov: find studies, retrieve results, match patients to candidate trials.

Install

Add the config to your client settings. Replace values in <angle brackets> with your own.

claude_desktop_config.json

{
  "mcpServers": {
    "clinicaltrialsgov-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "clinicaltrialsgov-mcp-server@2.10.0"
      ],
      "env": {
        "CT_API_BASE_URL": "https://clinicaltrials.gov/api/v2",
        "CT_REQUEST_TIMEOUT_MS": "30000",
        "CT_MAX_PAGE_SIZE": "200",
        "MCP_LOG_LEVEL": "info"
      }
    }
  }
}

Details

Name: io.github.cyanheads/clinicaltrialsgov-mcp-server
Version: 2.10.0
Updated: Oct 14, 2026
Source: Official MCP Registry
Repository: https://github.com/cyanheads/clinicaltrialsgov-mcp-server