ClinicalTrials.gov MCP Server
ClinicalTrials.gov MCP Server is a MCP server for web research and discovery, published by cyanheads.
MCP server providing 7 tools to search, analyze, and match patients to clinical trials from ClinicalTrials.gov.
Is it any good?
Effectiveness · benchmark pending
We haven't benchmarked ClinicalTrials.gov MCP Server yet, so its score is provisional — computed from safety, maintenance, and documentation only, with popularity given no weight. When we benchmark it, we measure whether it produces materially better output than a frontier model alone, and that result leads the score. How we measure.
About ClinicalTrials.gov MCP Server
Description · AI-summarised from the cyanheads README
An MCP (Model Context Protocol) server that exposes the ClinicalTrials.gov v2 API through 7 structured tools. Users can search trials with full-text and field-specific queries, fetch detailed study records and results data, retrieve field definitions and valid values, get study counts, and match patient demographics to eligible recruiting trials. Includes a resource type for direct NCT ID lookup and an adaptive prompt for trial landscape analysis. Built with TypeScript/Bun, supports both stdio and HTTP transports, includes retry logic and rate limiting, and requires no API keys.
Where it fits
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Install ClinicalTrials.gov MCP Server
Install
Install via MCP server
{
"mcpServers": {
"cyanheads-clinicaltrialsgov-mcp-server": {
"command": "npx",
"args": ["-y", "@cyanheads/cyanheads-clinicaltrialsgov-mcp-server"]
}
}
}Install with your AI
Zero install · paste into ChatGPT, Claude, Cursor…
Install the "ClinicalTrials.gov MCP Server" skill into my project by following all instructions at https://skillsdirectory.co/s/cyanheads-clinicaltrialsgov-mcp-server
Your assistant reads /s/cyanheads-clinicaltrialsgov-mcp-server and follows it — fetching the files from the source, placing them, and confirming before it runs anything. No account needed. How this works.
Frequently asked
FAQ
What does ClinicalTrials.gov MCP Server do?
MCP server providing 7 tools to search, analyze, and match patients to clinical trials from ClinicalTrials.gov.
How do I install ClinicalTrials.gov MCP Server?
ClinicalTrials.gov MCP Server is a MCP server. Primary install path: { "mcpServers": { "cyanheads-clinicaltrialsgov-mcp-server": { "command": "npx", "args": ["-y", "@cyanheads/cyanheads-clinicaltrialsgov-mcp-server"] } } }
What is the Skill Score for ClinicalTrials.gov MCP Server?
ClinicalTrials.gov MCP Server has a Skill Score of 5.9/10 (Solid). It is currently a provisional score — ClinicalTrials.gov MCP Server hasn't been benchmarked yet, so it weights safety 75/100 (40%), maintenance 47/100 (30%), and documentation 70/100 (30%). Popularity carries zero weight until effectiveness is measured. See methodology.
Is ClinicalTrials.gov MCP Server free?
ClinicalTrials.gov MCP Server is published under the Apache-2.0 license. See the vendor's source repository for any usage limits or paid tiers.
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For maintainers · always-current, links back
Put it in your README — it updates as the score changes.[](https://skillsdirectory.co/skills/cyanheads-clinicaltrialsgov-mcp-server)
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