Chat with AI and run tools instantly — no API key or third-party login needed.
Search ClinicalTrials.gov studies by condition, drug, sponsor, phase, status, location, eligibility, outcomes, and results from chat.
Try this workflow
Find recruiting trials
Find recruiting clinical trials for type 2 diabetes within 50 miles of Boston, summarize eligibility criteria, locations, and contacts.
No API key or third-party login needed. Chat with AI and run tools instantly.
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Biotech research, pharma pipeline analysis, patient trial search, investors, clinical operations
Find recruiting trials
Combines condition, recruiting status, geography, and detail lookup.
Find recruiting clinical trials for type 2 diabetes within 50 miles of Boston, summarize eligibility criteria, locations, and contacts.
Analyze a drug pipeline
Uses intervention search for pharma and investor research.
Search ClinicalTrials.gov for pembrolizumab studies, group trials by phase, status, sponsor class, enrollment, and completion date.
Map a competitive landscape
Uses phase, condition, sponsor, and enrollment fields together.
Search Phase 3 breast cancer trials, group them by sponsor and intervention type, and identify the largest active studies.
Find completed studies with results
Focuses on posted outcome data rather than registration metadata alone.
Find completed clinical trials for GLP-1 agonists with posted results, sort by enrollment, and summarize primary outcomes.
What does the Clinical Trials server search?
It searches ClinicalTrials.gov study registrations and details, including conditions, interventions, sponsors, phases, recruitment status, eligibility, locations, contacts, outcomes, and posted results when available.
Can patients use it to find recruiting trials?
It can help find candidate studies by condition, status, and location, then summarize eligibility and contact information. It does not replace medical advice from a clinician or study coordinator.
What does has_results mean?
has_results means outcome data has been posted to ClinicalTrials.gov. Many completed studies do not have posted results, so registration status and result availability should be interpreted separately.
Related editorial
ClinicalTrials.gov Search with AI
How structured trial data supports research by condition, sponsor, status, and study details.
Domain knowledge for Clinical Trials — workflow patterns, data models, and gotchas for your AI agent.
580,000+ registered clinical studies from ClinicalTrials.gov, updated daily.
Patient looking for a trial: Search condition + RECRUITING + location → review eligibility from results → get detail for inclusion/exclusion criteria and contacts.
Drug pipeline analysis: Search intervention (drug name) across all statuses → count by phase → detail on Phase 3 trials → search sponsor for full portfolio.
Competitive landscape: Search condition + PHASE3 → group by sponsor → note enrollment sizes → search by drug class.
Market sizing: Use count tool with condition + status + phase combinations. Sort by StartDate:desc to track acceleration.
Tool calls query ClinicalTrials.gov API v2 in real time, flatten common study fields for search results, preserve NCT IDs for detail lookup, and expose count queries for market and pipeline sizing. Results are not medical advice.
Structured study registration and results data for interventional, observational, and expanded-access clinical studies.
Source availability last verified 2026-05-02.
Count clinical trials matching search criteria. Returns only the total count — faster than search when you just need numbers. Filter by condition, int...
Get full details for a clinical trial by its NCT ID. Returns the complete study record including eligibility criteria, detailed description, study des...
Search ClinicalTrials.gov for clinical studies. Filter by condition (disease), intervention (drug/device), sponsor, phase, recruitment status, and loc...
Search and analyze 580,000+ clinical trials from ClinicalTrials.gov. Find studies by condition, drug, sponsor, phase, recruitment status, and location. Get full study details including eligibility criteria, outcomes, design, locations, and contacts. Count trials for market sizing. It provides 3 tools that AI agents can use through the Model Context Protocol (MCP).
Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/clinical-trials. Authentication is handled automatically.
Clinical Trials provides 3 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.
Clinical Trials uses open data APIs — no authentication required.
It searches ClinicalTrials.gov study registrations and details, including conditions, interventions, sponsors, phases, recruitment status, eligibility, locations, contacts, outcomes, and posted results when available.
It can help find candidate studies by condition, status, and location, then summarize eligibility and contact information. It does not replace medical advice from a clinician or study coordinator.
has_results means outcome data has been posted to ClinicalTrials.gov. Many completed studies do not have posted results, so registration status and result availability should be interpreted separately.
Intervention, sponsor, sponsor class, phase, status, enrollment, start date, completion date, and primary outcomes are the most useful fields for understanding trial maturity and competitive activity.
Connect Clinical Trials to any MCP client in minutes
The link prefills the Add custom connector dialog — you still review the values and click Add, then Connect to complete OAuth.
Clinical Trials and paste the MCP URL into Remote MCP server URL.Custom connectors at claude.ai require a paid Claude plan (Pro, Max, Team, or Enterprise).
Same data, different audiences.
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