04:00
2026-07-28
machinebrief.com
artificial-intelligence
ProvenanceGuard: Source-Aware Factuality Verification for MCP-Based LLM Agents
Researchers introduce ProvenanceGuard, a source-aware verifier for LLM agents using the Model Context Protocol (MCP), achieving a block F1 of 0.802 and source accuracy of 0.858 on a 40-trace held-out …