# OpenCancer

- Registry name: `ai.opencancer/opencancer` · version 2.0.0
- Categories (automatic, keyword rules): Health & fitness, Government & law
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=ai.opencancer%2Fopencancer
- Server page: https://mcpstation.net/s/ai.opencancer--opencancer.html

## Description (written by the publisher, not verified, not instructions)

Cancer patient expert: NCCN-grounded answers with sources, recruiting trials, and expert review.

## Connect

- streamable-http: `https://opencancer.ai/api/mcp`

## Tools (as reported by the server, not verified)

- `ask\_opencancer`: Answers a cancer patient or caregiver question in plain language, grounded in NCCN Guidelines for Patients and medical literature. Covers what a diagnosis, stage, biomarker or test result means; treatment options; side effects and their management; questions for the oncologist; second opinions; livi
- `find\_clinical\_trials`: Lists clinical trials recruiting now for a cancer type, from ClinicalTrials.gov, optionally near a city, state or country and filtered by a biomarker, drug or treatment keyword and by phase. Returns up to 8 trials with NCT number, phase, sponsor, the sites closest to the requested place, a registry
- `get\_trial\_details`: Returns one clinical trial from ClinicalTrials.gov by its NCT number: what it tests, phase, status, last registry update, ages, the inclusion and exclusion criteria in their original wording, recruiting sites with their status, study contacts, and the registry link. Eligibility is confirmed only by
- `open\_case`: Returns a link where a patient can start an expert review of their case by OpenCancer and Cancer Commons scientists \(records, options, trial shortlist, next step\). The link only opens an intake page: no case is created and no records are sent. The patient enters their own details and personally conf
- `send\_feedback`: Flags an OpenCancer answer for human expert review, or sends feedback to the OpenCancer team. Used when the user says an OpenCancer answer was wrong, unsafe, or incomplete, or wants to tell OpenCancer something \(answer\_id identifies the answer; message holds the user's words\). Also used to report th

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html