Harvard ClinicalTrials MCP Server with 16 Tools for Claude, Cursor, and AI Agents
GDPR Free for SubscribersSearch and analyze clinical trial data from Harvard and ClinicalTrials.gov for research, drug development, and healthcare innovation. Vinkius routes your AI agents directly to Harvard ClinicalTrials through a governed connection. 16 tools ready to use with Claude, ChatGPT, Cursor, or any AI agent — no hosting, no setup, connect in 30 seconds.
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What is the ClinicalTrials.gov MCP Server?
The ClinicalTrials.gov MCP Server routes AI agents like Claude, ChatGPT, and Cursor directly to ClinicalTrials.gov via 16 tools. Search and analyze clinical trial data from Harvard and ClinicalTrials.gov for research, drug development, and healthcare innovation. Powered by Vinkius — your credentials stay on your side of the connection, every request is auditable. Connect in under 2 minutes.
Built-in capabilities (16)
Tools for your AI Agents to operate ClinicalTrials.gov
Ask your AI agent "Find recruiting Phase 3 trials for breast cancer immunotherapy" and get the answer without opening a single dashboard. With 16 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 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 the infrastructure to connect your AI agents to thousands of MCP servers — and deploy your own to the Vinkius Edge. Your credentials stay yours. Your data flows directly between your agent and the API. DLP blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade routing and governance, zero maintenance.
Build your own MCP Server with our secure development framework →The Harvard ClinicalTrials App Connector works with every AI agent you already use
…and any MCP-compatible client
Use all 16 Harvard ClinicalTrials tools with your AI agents right now
Vinkius routes your AI agents to Harvard ClinicalTrials through a governed proxy. Beyond a simple connection, you get full visibility into every action your agents perform, with enterprise-grade security and up to 60% savings on AI costs.
Get api version on Harvard ClinicalTrials
gov API version and the timestamp of the most recent data update. Useful for verifying data currency and API availability. Get API version and data timestamp
Get study on Harvard ClinicalTrials
g. "NCT04368728"). Returns title, status, phase, enrollment, conditions, interventions, eligibility criteria, sponsor, and study locations. Get clinical trial details by NCT ID
Get study results on Harvard ClinicalTrials
Not all trials report results — this is most useful for completed Phase 2-4 studies. Get primary outcome results for a trial
Get study timeline on Harvard ClinicalTrials
Essential for understanding the progress and currency of a study. Get the complete timeline of a clinical trial
Search by condition on Harvard ClinicalTrials
Examples: "diabetes", "breast cancer", "Alzheimer disease", "COVID-19", "depression", "hypertension". Search trials by medical condition
Search by intervention on Harvard ClinicalTrials
Examples: "pembrolizumab", "metformin", "radiation therapy", "cognitive behavioral therapy". Search trials by drug or treatment
Search by location on Harvard ClinicalTrials
Essential for finding trials accessible to patients in a particular area. Search trials by geographic location
Search by phase on Harvard ClinicalTrials
Phase values: "PHASE1", "PHASE2", "PHASE3", "PHASE4", "EARLY_PHASE1". Phase 3 trials are the largest and most definitive, while Phase 1 trials focus on safety. Search trials by study phase
Search by sponsor on Harvard ClinicalTrials
Examples: "Pfizer", "National Cancer Institute", "Roche", "Novartis", "NIH". Search trials by sponsoring organization
Search completed on Harvard ClinicalTrials
Completed trials are more likely to have published results and outcomes data. Search completed clinical trials
Search device trials on Harvard ClinicalTrials
Covers diagnostic devices, surgical tools, implants, and digital health technologies. Search medical device clinical trials
Search fda regulated on Harvard ClinicalTrials
S. Food and Drug Administration. These trials follow the most rigorous regulatory standards. Search FDA-regulated drug trials
Search pediatric on Harvard ClinicalTrials
Essential for pediatricians, child health researchers, and parents seeking trials for children. Search pediatric clinical trials
Search rare diseases on Harvard ClinicalTrials
Examples: "cystic fibrosis", "sickle cell disease", "Huntington disease", "amyotrophic lateral sclerosis". Search rare disease clinical trials
Search recruiting on Harvard ClinicalTrials
Essential for patients seeking to enroll in trials or researchers tracking active studies. Search for currently recruiting studies
Search studies on Harvard ClinicalTrials
gov database of over 400,000 clinical studies from 200+ countries. Returns NCT IDs, titles, status, phases, sponsors, conditions, interventions, and locations. Search 400K+ clinical trials worldwide
What the Harvard ClinicalTrials MCP Server unlocks
Connect to the ClinicalTrials.gov API v2 — the largest database of clinical studies worldwide, maintained by the U.S. National Library of Medicine.
What you can do
- Study Search — Search 400K+ clinical trials from 220+ countries
- Condition Filter — Find trials for specific diseases (cancer, diabetes, Alzheimer's)
- Intervention Filter — Search by drug, device, or therapy name
- Sponsor Search — Find trials by organization (Pfizer, NIH, Roche)
- Phase Filter — Filter by Phase 1-4 to track drug development stages
- Recruiting — Find trials currently enrolling participants
- Location — Search by city or country for accessible trials
- FDA Regulated — Filter for FDA-regulated drug and device trials
- Pediatric — Find trials including children
- Rare Diseases — Discover research for orphan conditions
- Results — Get outcome data from completed studies
Who is this for?
- Medical Researchers — systematic reviews and evidence synthesis
- Clinicians — find trial evidence for treatment decisions
- Patients — discover trials they may be eligible for
- Pharma Professionals — competitive landscape and pipeline analysis
Frequently asked questions about the Harvard ClinicalTrials MCP Server
Do I need an API key?
No. ClinicalTrials.gov is completely free and public. No authentication required.
What are clinical trial phases?
Phase 1 tests safety in small groups; Phase 2 evaluates efficacy; Phase 3 confirms effectiveness in large populations; Phase 4 monitors post-approval. Each phase provides progressively stronger evidence.
Can patients find trials to enroll in?
Yes. Use the recruiting filter to find trials currently accepting participants. You can filter by condition, location, and eligibility criteria to find accessible trials.
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We built the connector to Harvard ClinicalTrials. Now put your agents to work. Fully governed.
Vinkius is the AI Gateway with managed hosting. Stop building connectors. Every connection runs inside eight layers of security.
Hosted, sandboxed, and live on AWS. You don't provision anything. You don't maintain anything. You connect.
Every tool call, every token, every response. Logged and auditable. Data flows direct from Harvard ClinicalTrials to your agent. Nothing is stored on our side. Ever.
Eight governance layers on every request. Sensitive data redacted before it reaches the model. Kill switch if anything goes sideways. Always on.