MCP servers tagged factuality

2 live MCP servers tagged "factuality", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with factuality.

live servers

avg trust

Groundtruth Geo

Deterministic, government-cited, reproducible benchmark of parcel-precise US property facts — on the exact questions frontier models fail. Benchmark + grader + MCP server.

Provenanceguard

Source-aware factuality verification for MCP-based LLM agents — paper artifact