Getting the Source Right, Not Just the Fact: Source-Aware Verification for MCP Agents
### Getting the Source Right, Not Just the Fact: Source-Aware Verification for MCP Agents Our latest paper, ProvenanceGuard: Source-Aware Factuality Verification for MCP-Based LLM Agents, targets the gap in current verification methods. The failure mode we care about is called cross-source conflation: a claim that is true somewhere in the evidence, but attributed to the wrong source. Consider a customer support agent that answers, "According to the account record, this plan includes a 30-day refund window." The r…