OpenCancer

ai.opencancer/opencancer · v2.0.0 · health-and-science

OpenCancer is healthy: it completed an MCP handshake in 695 ms and exposes 5 tools.

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

Endpoint: https://opencancer.ai/api/mcp (streamable-http)

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Facts

Users (last 30 days)0
HandshakeHealthy
Auth neededNone
Tool count5
Latency695 ms
Last checked (UTC)2026-10-16T21:30:43.203Z

Health history

Checked (UTC)StatusLatencyError
2026-10-16T21:30:43.203ZHealthy695
2026-10-15T14:25:12.855ZHealthy751

Tools (5)

ask_opencancerAnswers 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_trialsLists 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_detailsReturns 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_caseReturns 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_feedbackFlags 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