ClinicalTrials.gov MCP Server

Name: ClinicalTrials.gov MCP Server
Author: cyanheads

cyanheads

Searches ClinicalTrials.gov, retrieves study details and results, and matches patients to eligible trials; runs over STDIO or HTTP.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

Local

claude mcp add clinicaltrials-gov -- npx -y clinicaltrialsgov-mcp-server

~/.codex/config.toml

[mcp_servers.clinicaltrials-gov]
command = "npx"
args = ["-y", "clinicaltrialsgov-mcp-server"]

# codex mcp add clinicaltrials-gov -- npx -y clinicaltrialsgov-mcp-server

~/.cursor/mcp.json

{
  "mcpServers": {
    "clinicaltrials-gov": {
      "command": "npx",
      "args": [
        "-y",
        "clinicaltrialsgov-mcp-server"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "clinicaltrials-gov": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "clinicaltrialsgov-mcp-server"
      ]
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "clinicaltrials-gov": {
      "command": "npx",
      "args": [
        "-y",
        "clinicaltrialsgov-mcp-server"
      ]
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "clinicaltrials-gov": {
      "command": "npx",
      "args": [
        "-y",
        "clinicaltrialsgov-mcp-server"
      ]
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "clinicaltrials-gov": {
      "command": "npx",
      "args": [
        "-y",
        "clinicaltrialsgov-mcp-server"
      ]
    }
  }
}

Remote

claude mcp add --transport http clinicaltrials-gov https://clinicaltrials.caseyjhand.com/mcp