Clinicaltrialsgov MCP Server
Rank #385io.github.cyanheads/clinicaltrialsgov-mcp-server
Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.
Clinicaltrialsgov MCP Server is a Model Context Protocol (MCP) server published by cyanheads. It ranks #385 of 56,489 servers tracked on MCP Toplist, and its repository has 79 GitHub stars. Clinicaltrialsgov MCP Server is listed across 4 registries — Official MCP, PulseMCP, Smithery and Glama, with 36 tracked versions. It was first listed on Jun 18, 2025 and most recently updated on Jun 8, 2026.
Ranks ahead of 56,104 of 56,489 servers on MCP Toplist.
Use Clinicaltrialsgov MCP Server
Add Clinicaltrialsgov MCP Server to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
{
"mcpServers": {
"clinicaltrialsgov-mcp-server": {
"url": "https://clinicaltrials.caseyjhand.com/mcp"
}
}
}{
"mcpServers": {
"clinicaltrialsgov-mcp-server": {
"command": "npx",
"args": [
"-y",
"clinicaltrialsgov-mcp-server"
],
"env": {
"CT_API_BASE_URL": "<your CT_API_BASE_URL>",
"CT_REQUEST_TIMEOUT_MS": "<your CT_REQUEST_TIMEOUT_MS>",
"CT_MAX_PAGE_SIZE": "<your CT_MAX_PAGE_SIZE>",
"MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
}
}
}
}Replace each placeholder with your own value before saving.
{
"mcpServers": {
"clinicaltrialsgov-mcp-server": {
"command": "npx",
"args": [
"-y",
"clinicaltrialsgov-mcp-server"
],
"env": {
"CT_API_BASE_URL": "<your CT_API_BASE_URL>",
"CT_REQUEST_TIMEOUT_MS": "<your CT_REQUEST_TIMEOUT_MS>",
"CT_MAX_PAGE_SIZE": "<your CT_MAX_PAGE_SIZE>",
"MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
"MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
"MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
"MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
"MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
}
}
}
}Replace each placeholder with your own value before saving.
Listed on 4 registries
cyanheads
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Available versions (36)
| Version | Published |
|---|---|
| 2.6.5 | Jun 8, 2026 |
| 2.6.0 | Jun 2, 2026 |
| 2.4.12 | May 23, 2026 |
| 2.4.8 | May 16, 2026 |
| 2.4.7 | May 10, 2026 |
| 2.4.6 | May 5, 2026 |
| 2.4.5 | May 4, 2026 |
| 2.4.4 | May 3, 2026 |
| 2.4.3 | May 3, 2026 |
| 2.4.2 | Apr 27, 2026 |
| 2.4.1 | Apr 24, 2026 |
| 2.4.0 | Apr 24, 2026 |
| 2.3.5 | Apr 23, 2026 |
| 2.3.4 | Apr 21, 2026 |
| 2.3.3 | Apr 21, 2026 |
| 2.3.2 | Apr 21, 2026 |
| 2.3.1 | Apr 21, 2026 |
| 2.3.0 | Apr 20, 2026 |
| 2.1.1 | Apr 13, 2026 |
| 2.1.0 | Apr 4, 2026 |
| 2.0.6 | Mar 30, 2026 |
| 2.0.5 | Mar 28, 2026 |
| 2.0.4 | Mar 28, 2026 |
| 2.0.2 | Mar 28, 2026 |
| 2.0.1 | Mar 28, 2026 |
| 1.9.3 | Mar 23, 2026 |
| 1.9.2 | Mar 9, 2026 |
| 1.9.0 | Feb 28, 2026 |
| 1.8.1 | Feb 28, 2026 |
| 1.5.0 | Oct 15, 2025 |
| 1.4.0 | Oct 2, 2025 |
| 1.3.1 | Oct 2, 2025 |
| 1.3.0 | Oct 2, 2025 |
| 1.2.2 | Oct 2, 2025 |
| 1.2.1 | Oct 2, 2025 |
| 0.1.0 | Nov 25, 2024 |
Frequently asked questions
- Who maintains Clinicaltrialsgov MCP Server?
- Clinicaltrialsgov MCP Server is maintained by cyanheads, which publishes 103 MCP servers (702 total versions) tracked on MCP Toplist.
- Is Clinicaltrialsgov MCP Server listed on the official MCP registry?
- Yes — Clinicaltrialsgov MCP Server is listed on the Official MCP Registry, alongside PulseMCP, Smithery and Glama.
- How many versions does Clinicaltrialsgov MCP Server have?
- MCP Toplist tracks 36 versions of Clinicaltrialsgov MCP Server, most recently published on Jun 8, 2026.
- Where can I find the source code for Clinicaltrialsgov MCP Server?
- The source code for Clinicaltrialsgov MCP Server is hosted at github.com/cyanheads/clinicaltrialsgov-mcp-server.