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Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
npx @getmcp/cli add io.github.cyanheads/clinicaltrialsgov-mcp-serverRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.cyanheads/clinicaltrialsgov-mcp-server": {
"command": "bun",
"args": [
"clinicaltrialsgov-mcp-server",
"run",
"start:stdio"
],
"env": {
"CT_API_BASE_URL": "https://clinicaltrials.gov/api/v2",
"CT_REQUEST_TIMEOUT_MS": "30000",
"CT_MAX_PAGE_SIZE": "200",
"MCP_LOG_LEVEL": "info"
}
}
}
}