SERVER

Clinicaltrialsgov MCP Server

Rank #707

io.github.cyanheads/clinicaltrialsgov-mcp-server

Search ClinicalTrials.gov — find studies, retrieve results, match patients to eligible trials.

37 versions
82 GitHub stars
by cyanheads (129 servers)View repository ↗
First listed
Jun 18, 2025
Last publish date
Jun 21, 2026
OVERVIEW

Clinicaltrialsgov MCP Server is a Model Context Protocol (MCP) server published by cyanheads. It ranks #707 of 77,308 servers tracked on MCP Toplist, and its repository has 82 GitHub stars. Clinicaltrialsgov MCP Server is listed across 4 registries — Official MCP, PulseMCP, Smithery and Glama, with 37 tracked versions. It was first listed on Jun 18, 2025 and most recently updated on Jun 21, 2026.

STANDING
#707of 77,308 tracked serversTop 1%

Ranks ahead of 76,601 of 77,308 servers on MCP Toplist.

Recent momentum
+15GitHub stars since Apr 27 (+22%)
CONNECT

Use Clinicaltrialsgov MCP Server

Add Clinicaltrialsgov MCP Server to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.

Remote · HTTP
{
  "mcpServers": {
    "clinicaltrialsgov-mcp-server": {
      "url": "https://clinicaltrials.caseyjhand.com/mcp"
    }
  }
}
npm package
{
  "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.

npm package
{
  "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.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

MCP Toplist: Top 1% of 77,308
Markdown
[![MCP Toplist](https://mcptoplist.com/badge/io.github.cyanheads%2Fclinicaltrialsgov-mcp-server.svg)](https://mcptoplist.com/server/io.github.cyanheads%2Fclinicaltrialsgov-mcp-server)
HTML
<a href="https://mcptoplist.com/server/io.github.cyanheads%2Fclinicaltrialsgov-mcp-server"><img src="https://mcptoplist.com/badge/io.github.cyanheads%2Fclinicaltrialsgov-mcp-server.svg" alt="MCP Toplist: Top 1% of 77,308" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 1 registry (3 delisted)

Official MCP
PulseMCPDelisted · last seen Jun 4, 2026
SmitheryDelisted · last seen Jun 4, 2026
GlamaDelisted · last seen Jun 4, 2026
ORGANIZATION

cyanheads

Organization
cyanheads
Servers in org
129
Versions across org
821
MORE FROM THIS PUBLISHER

Other servers by cyanheads

View all cyanheads servers →
VERSIONS

Available versions (37)

0.1.0 · Nov 25, 20241.2.1 · Oct 2, 20251.2.2 · Oct 2, 20251.3.0 · Oct 2, 20251.3.1 · Oct 2, 20251.4.0 · Oct 2, 20251.5.0 · Oct 15, 20251.8.1 · Feb 28, 20261.9.0 · Feb 28, 20261.9.2 · Mar 9, 20261.9.3 · Mar 23, 20262.0.1 · Mar 28, 20262.0.2 · Mar 28, 20262.0.4 · Mar 28, 20262.0.5 · Mar 28, 20262.0.6 · Mar 30, 20262.1.0 · Apr 4, 20262.1.1 · Apr 13, 20262.3.0 · Apr 20, 20262.3.1 · Apr 21, 20262.3.2 · Apr 21, 20262.3.3 · Apr 21, 20262.3.4 · Apr 21, 20262.3.5 · Apr 23, 20262.4.0 · Apr 24, 20262.4.1 · Apr 24, 20262.4.2 · Apr 27, 20262.4.3 · May 3, 20262.4.4 · May 3, 20262.4.5 · May 4, 20262.4.6 · May 5, 20262.4.7 · May 10, 20262.4.8 · May 16, 20262.4.12 · May 23, 20262.6.0 · Jun 2, 20262.6.5 · Jun 8, 20262.7.4 · Jun 21, 2026Nov 25, 2024Jun 21, 2026
VersionPublished
2.7.4Jun 21, 2026
2.6.5Jun 8, 2026
2.6.0Jun 2, 2026
2.4.12May 23, 2026
2.4.8May 16, 2026
2.4.7May 10, 2026
2.4.6May 5, 2026
2.4.5May 4, 2026
2.4.4May 3, 2026
2.4.3May 3, 2026
2.4.2Apr 27, 2026
2.4.1Apr 24, 2026
2.4.0Apr 24, 2026
2.3.5Apr 23, 2026
2.3.4Apr 21, 2026
2.3.3Apr 21, 2026
2.3.2Apr 21, 2026
2.3.1Apr 21, 2026
2.3.0Apr 20, 2026
2.1.1Apr 13, 2026
2.1.0Apr 4, 2026
2.0.6Mar 30, 2026
2.0.5Mar 28, 2026
2.0.4Mar 28, 2026
2.0.2Mar 28, 2026
2.0.1Mar 28, 2026
1.9.3Mar 23, 2026
1.9.2Mar 9, 2026
1.9.0Feb 28, 2026
1.8.1Feb 28, 2026
1.5.0Oct 15, 2025
1.4.0Oct 2, 2025
1.3.1Oct 2, 2025
1.3.0Oct 2, 2025
1.2.2Oct 2, 2025
1.2.1Oct 2, 2025
0.1.0Nov 25, 2024
FAQ

Frequently asked questions

Who maintains Clinicaltrialsgov MCP Server?
Clinicaltrialsgov MCP Server is maintained by cyanheads, which publishes 129 MCP servers (821 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 37 versions of Clinicaltrialsgov MCP Server, most recently published on Jun 21, 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.
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