Harvard ClinicalTrials MCP Server for Claude CodeGive Claude Code instant access to 16 tools to Get Api Version, Get Study, Get Study Results, and more
Claude Code is Anthropic's agentic CLI for terminal-first development. Add Harvard ClinicalTrials as an MCP server in one command and Claude Code will discover every tool at runtime. ideal for automation pipelines, CI/CD integration, and headless workflows via Vinkius.
Ask AI about this MCP Server for Claude Code
The Harvard ClinicalTrials MCP Server for Claude Code is a standout in the Data Analytics category — giving your AI agent 16 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add harvard-clinicaltrials --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"Vinkius Desktop App
The modern way to manage MCP Servers — no config files, no terminal commands. Install Harvard ClinicalTrials and 4,000+ MCP Servers from a single visual interface.





* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Harvard ClinicalTrials MCP Server
Connect to the ClinicalTrials.gov API v2 — the largest database of clinical studies worldwide, maintained by the U.S. National Library of Medicine.
Claude Code registers Harvard ClinicalTrials as an MCP server in a single terminal command. Once connected, Claude Code discovers all 16 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Harvard ClinicalTrials data drives decisions without human intervention.
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
The Harvard ClinicalTrials MCP Server exposes 16 tools through the Vinkius. Connect it to Claude Code in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 16 Harvard ClinicalTrials tools available for Claude Code
When Claude Code connects to Harvard ClinicalTrials through Vinkius, your AI agent gets direct access to every tool listed below — spanning clinical-trials, medical-research, drug-development, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
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
Connect Harvard ClinicalTrials to Claude Code via MCP
Follow these steps to wire Harvard ClinicalTrials into Claude Code. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install Claude Code
npm install -g @anthropic-ai/claude-code if not already installedAdd the MCP Server
Verify the connection
claude mcp to list connected servers, or type /mcp inside a sessionStart using Harvard ClinicalTrials
Why Use Claude Code with the Harvard ClinicalTrials MCP Server
Claude Code provides unique advantages when paired with Harvard ClinicalTrials through the Model Context Protocol.
Single-command setup: `claude mcp add` registers the server instantly. no config files to edit or applications to restart
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
Claude Code runs headlessly, enabling unattended batch processing using Harvard ClinicalTrials tools in cron jobs or deployment scripts
Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Harvard ClinicalTrials + Claude Code Use Cases
Practical scenarios where Claude Code combined with the Harvard ClinicalTrials MCP Server delivers measurable value.
CI/CD integration: embed Harvard ClinicalTrials tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query Harvard ClinicalTrials nightly and generate reports without human intervention
Shell scripting: pipe Harvard ClinicalTrials outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query Harvard ClinicalTrials status endpoints and alert on anomalies
Example Prompts for Harvard ClinicalTrials in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with Harvard ClinicalTrials immediately.
"Find recruiting Phase 3 trials for breast cancer immunotherapy"
"Search for Alzheimer's disease trials sponsored by NIH in Boston"
"Find pediatric clinical trials for cystic fibrosis"
Troubleshooting Harvard ClinicalTrials MCP Server with Claude Code
Common issues when connecting Harvard ClinicalTrials to Claude Code through Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
Harvard ClinicalTrials + Claude Code FAQ
Common questions about integrating Harvard ClinicalTrials MCP Server with Claude Code.
How do I add an MCP server to Claude Code?
claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.Can Claude Code run MCP tools in headless mode?
How do I list all connected MCP servers?
claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.Explore More MCP Servers
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