ClinicalTrials.gov MCP Server
Search the world's largest registry of clinical research studies — covering diseases, drugs, and experimental therapies across all phases.
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What is the ClinicalTrials.gov MCP Server?
The ClinicalTrials.gov MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to ClinicalTrials.gov via 3 tools. Search the world's largest registry of clinical research studies — covering diseases, drugs, and experimental therapies across all phases. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (3)
Tools for your AI Agents to operate ClinicalTrials.gov
Ask your AI agent "Are there any clinical trials recruiting participants for Alzheimer's disease right now?" and get the answer without opening a single dashboard. With 3 tools connected to real ClinicalTrials.gov data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
Build your own MCP Server with our secure development framework →Vinkius works with every AI agent you already use
…and any MCP-compatible client
ClinicalTrials.gov MCP Server capabilities
3 toolsUseful for patients and healthcare providers looking for active enrollment opportunities. Find clinical trials that are actively recruiting participants for a specific medical condition
Retrieve full details of a specific clinical trial by its NCT identifier
Can filter by recruitment status and trial phase. Search the ClinicalTrials.gov database for studies by keyword, condition, drug name, or sponsor
What the ClinicalTrials.gov MCP Server unlocks
The ClinicalTrials.gov MCP Server connects your AI agent to the United States National Institutes of Health (NIH) clinical research database — the gold standard for clinical trial transparency worldwide.
Core Capabilities
- Universal Trial Search — Query over 500,000 registered studies by condition, drug name, sponsor, or any keyword. Filter by recruitment status and trial phase to pinpoint exactly what matters.
- Deep Trial Profiles — Retrieve full study protocols including eligibility criteria, enrollment targets, intervention details, and sponsor information for any registered trial.
- Active Recruitment Finder — Dedicated tool for patients and clinicians to discover trials actively enrolling participants right now, searchable by medical condition.
Frequently asked questions about the ClinicalTrials.gov MCP Server
Do I need an API Key or registration?
No. ClinicalTrials.gov is a fully public service maintained by the US National Library of Medicine. All data is accessible without any authentication.
What types of studies can I search for?
The database covers interventional trials (testing drugs, devices, procedures), observational studies, and expanded access programs. You can search across all phases, from early Phase 1 research to post-market Phase 4 surveillance.
Is the trial recruiting status updated in real time?
The data reflects what is currently published on the ClinicalTrials.gov database. Sponsors typically update the registry directly, so you will see the latest status logged in their system.
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Connect ClinicalTrials.gov with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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Give your AI agents the power of ClinicalTrials.gov MCP Server
Production-grade ClinicalTrials.gov MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.