Verifies factual claims against live sources and returns a verdict, confidence score, and citations for any agent to use before stating uncertain facts.
Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.
Install from
M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.
process.env. You'll be asked to provide them before it can run.GROUNDCHECK_ENGINE_DIR— repo engine/ engine location for auto-spawnGROUNDCHECK_ENGINE_URL— (, default http://127.0.0.1:8723). The engine is the single sourceGROUNDCHECK_NO_SPAWN— 1 to stop it from ever spawning one.GROUNDCHECK_PYTHON— python3 interpreter used to spawn the engineGROUNDCHECK_REPO_URL— repo URL URL used in the attribution footer/badgeGROUNDCHECK_SEARCH_BACKEND— _(unset)_ stub to disable real retrievalGROUNDCHECK_SEARCH_URL— Wikipedia custom JSON search endpoint ({results:[{title,url,snippet,stance?}]})GROUNDCHECK_SEARCH_KEY— bearer token for the custom endpointGROUNDCHECK_ROUTER_PATH— sibling checkout path to the free-llm-router Python packageGROUNDCHECK_ENGINE_HOST— / _PORT 127.0.0.1 / 8723 engine bind addressGROUNDCHECK_ENGINE_PORT[](https://m8ven.ai/mcp/beepboop2025-groundcheck-r7bicm)