## Getting the Source Right, Not Just the Fact: Source-Aware Verification for MCP Agents - +6 - The problem: supported somewhere is not the same as supported by the right source - What ProvenanceGuard does - Results - Checking claims when sources look similar - Repairing blocked answers - Why this fits Multiverse Computing Our latest paper, ProvenanceGuard: Source-Aware Factuality Verification for MCP-Based LLM Agents (read it on Hugging Face, or on arXiv in the meantime), targets that gap. The failure mode we care about is one we call cross-source conflation: a claim that is true somewhere…