Clinicaltrialsgov Mcp Server

Name: Clinicaltrialsgov Mcp Server
Author: cyanheads

clinicaltrialsgov-mcp-server · by cyanheads

MCP server for the ClinicalTrials.gov v2 API. Search trials, retrieve study details and results, and match patients to eligible trials.

76 1.6k/wk 7 tools GitHub npm

No known CVEs

No license

Actively maintained

Last commit 3d ago

Works with most clients

Transport: stdio, sse, http

7 tools · ~494 tok

Grade A · 0.2% of 200K ctx

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Health Search

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "clinicaltrialsgov-mcp-server": {
      "url": "https://clinicaltrials.caseyjhand.com/mcp",
      "type": "streamable-http"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/clinicaltrialsgov-mcp-server)](https://mcppedia.org/s/clinicaltrialsgov-mcp-server)

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What Clinicaltrialsgov Mcp Server does

Public Hosted Server: https://clinicaltrials.caseyjhand.com/mcp

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'clinicaltrialsgov-mcp-server' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

92/100across 5 weighted dimensions

How we score →

0255075100

−8

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked clinicaltrialsgov-mcp-server against OSV.dev.

Inventory

Tools (7)

Click any tool to inspect its schema.

~494 tokens total

Inventory

Resources (1)

clinicaltrials

Fetch a single clinical study by NCT ID. Full JSON.

clinicaltrials://{nctId}

Inventory

Prompts (1)

analyze_trial_landscape

Adaptable workflow for data-driven trial landscape analysis using count + search tools.

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Clinicaltrialsgov Mcp Server safe to use?: Clinicaltrialsgov Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install Clinicaltrialsgov Mcp Server?: Clinicaltrialsgov Mcp Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Clinicaltrialsgov Mcp Server do?: Clinicaltrialsgov Mcp Server provides 7 tools: clinicaltrials_search_studies, clinicaltrials_get_study_record, clinicaltrials_get_study_count, clinicaltrials_get_field_values, clinicaltrials_get_field_definitions and 2 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Clinicaltrialsgov Mcp Server?: Clinicaltrialsgov Mcp Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Clinicaltrialsgov Mcp Server actively maintained?: Clinicaltrialsgov Mcp Server is actively maintained — last commit was 3 days ago. It has 76 GitHub stars.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is Clinicaltrialsgov Mcp Server safe to use?

Clinicaltrialsgov Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install Clinicaltrialsgov Mcp Server?

Clinicaltrialsgov Mcp Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Clinicaltrialsgov Mcp Server do?

Clinicaltrialsgov Mcp Server provides 7 tools: clinicaltrials_search_studies, clinicaltrials_get_study_record, clinicaltrials_get_study_count, clinicaltrials_get_field_values, clinicaltrials_get_field_definitions and 2 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Clinicaltrialsgov Mcp Server?

Clinicaltrialsgov Mcp Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Clinicaltrialsgov Mcp Server actively maintained?

Clinicaltrialsgov Mcp Server is actively maintained — last commit was 3 days ago. It has 76 GitHub stars.