ClinicalTrials.gov MCP Server for Claude Code 3 tools — connect in under 2 minutes
Claude Code is Anthropic's agentic CLI for terminal-first development. Add ClinicalTrials.gov 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.
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# Your Vinkius token. get it at cloud.vinkius.com
claude mcp add clinicaltrialsgov --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
* 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 ClinicalTrials.gov MCP Server
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.
Claude Code registers ClinicalTrials.gov as an MCP server in a single terminal command. Once connected, Claude Code discovers all 3 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where ClinicalTrials.gov data drives decisions without human intervention.
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.
The ClinicalTrials.gov MCP Server exposes 3 tools through the Vinkius. Connect it to Claude Code in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect ClinicalTrials.gov to Claude Code via MCP
Follow these steps to integrate the ClinicalTrials.gov MCP Server with Claude Code.
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
Add the MCP Server
Run the command above in your terminal
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
Start using ClinicalTrials.gov
Ask Claude: "Using ClinicalTrials.gov, show me...". 3 tools are ready
Why Use Claude Code with the ClinicalTrials.gov MCP Server
Claude Code provides unique advantages when paired with ClinicalTrials.gov 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 ClinicalTrials.gov 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
ClinicalTrials.gov + Claude Code Use Cases
Practical scenarios where Claude Code combined with the ClinicalTrials.gov MCP Server delivers measurable value.
CI/CD integration: embed ClinicalTrials.gov tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query ClinicalTrials.gov nightly and generate reports without human intervention
Shell scripting: pipe ClinicalTrials.gov outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query ClinicalTrials.gov status endpoints and alert on anomalies
ClinicalTrials.gov MCP Tools for Claude Code (3)
These 3 tools become available when you connect ClinicalTrials.gov to Claude Code via MCP:
find_recruiting_trials
Useful for patients and healthcare providers looking for active enrollment opportunities. Find clinical trials that are actively recruiting participants for a specific medical condition
get_trial_details
Retrieve full details of a specific clinical trial by its NCT identifier
search_clinical_trials
Can filter by recruitment status and trial phase. Search the ClinicalTrials.gov database for studies by keyword, condition, drug name, or sponsor
Example Prompts for ClinicalTrials.gov in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with ClinicalTrials.gov immediately.
"Are there any clinical trials recruiting participants for Alzheimer's disease right now?"
"Show me Phase 3 trials related to breast cancer treatment."
"Get me the full details for trial NCT04280705."
Troubleshooting ClinicalTrials.gov MCP Server with Claude Code
Common issues when connecting ClinicalTrials.gov to Claude Code through the Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
ClinicalTrials.gov + Claude Code FAQ
Common questions about integrating ClinicalTrials.gov 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.Connect ClinicalTrials.gov with your favorite client
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Connect ClinicalTrials.gov to Claude Code
Get your token, paste the configuration, and start using 3 tools in under 2 minutes. No API key management needed.
