Summary
Wraps the ClinicalTrials.gov API v2 so you can query trial data directly from Claude. No authentication required. Part of the Pipeworx gateway, which means you can either hit this specific endpoint or connect to their full gateway for 673+ data sources. They include an ask_pipeworx tool that lets you query in plain English instead of calling structured endpoints. Useful when you're researching medical trials, checking recruitment status, or pulling study details without leaving your editor. The API is free and publicly accessible, so you can start using it immediately through their hosted gateway at gateway.pipeworx.io.
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mcp-clinicaltrials
ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (free, no auth)
Part of Pipeworx — an MCP gateway connecting AI agents to 673+ live data sources.
Tools
| Tool | Description |
|---|
Quick Start
Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):
{
"mcpServers": {
"clinicaltrials": {
"url": "https://gateway.pipeworx.io/clinicaltrials/mcp"
}
}
}
Or connect to the full Pipeworx gateway for access to all 673+ data sources:
{
"mcpServers": {
"pipeworx": {
"url": "https://gateway.pipeworx.io/mcp"
}
}
}
Using with ask_pipeworx
Instead of calling tools directly, you can ask questions in plain English:
ask_pipeworx({ question: "your question about Clinicaltrials data" })
The gateway picks the right tool and fills the arguments automatically.
More
License
MIT
Featured
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →