8 tools that work with ClinicalTrials.gov: 6 MCP servers, 2 Agent Skills and 0 Claude Code plugins. 5 of the remote servers answered our live check, 2 worked without an API key, and 4 come from an official or verified publisher. Ranked by GitHub stars plus official, live and free-to-try signals.
Most common uses: Health, fitness & medical (3), SQL databases (2), Files, spreadsheets, CSV & PDFs (2), Market data, stocks & crypto (1).
| Tool | Stars | Last update | License | |
|---|---|---|---|---|
| clinical-trials-database Query ClinicalTrials.gov via APIv2. Use when you want to search for trials by condition, drug, location, status, or phase; retrieve trial details by N SkillInstall · skills CLI | 3,472 | Apache-2.0 | ||
| Clinical Trials Clinical trial search and status from ClinicalTrials.gov MCP serverVerified domain · memoryapi.orgRemote● LiveFree to try | — | — | ||
| Prognyx oncology intelligence Live ClinicalTrials.gov oncology trial comparison around an asset, plus landscapes and CI briefings. MCP serverVerified domain · prognyx.comRemote● LiveFree to try | — | — | ||
| clinicaltrials-database Query ClinicalTrials.gov via API v2. Search trials by condition, drug, location, status, or phase. Retrieve trial details by NCT ID, export data, for SkillInstall · skills CLI | 3,816 | Apache-2.0 | ||
| com.grain64.sitecite/sitecite Cited clinical trial site shortlists and CRO site-list checks from ClinicalTrials.gov. MCP serverVerified domain · sitecite.grain64.comRemote● Live | — | — | ||
| UK Data: Clinical trials Search ClinicalTrials.gov by condition, drug, location and status, with full trial details MCP serverVerified domain · reliness.co.ukRemote● Live | — | — | ||
| io.github.cyanheads/clinicaltrialsgov-mcp-server Search ClinicalTrials.gov: find studies, retrieve results, match patients to candidate trials. MCP serverGitHub-verified authorLocal · npm | 101 | Apache-2.0 | ||
| Clinical Trial Tracker Search and monitor ClinicalTrials.gov and EU trial registry records, with trial change tracking and MCP serverGitHub-verified authorRemote● Live | — | — |