ProvenanceGuard decomposes MCP-agent answers into atomic claims, routes them to source-specific evidence via stable IDs, verifies support and attribution with NLI and token alignment, and outputs per-claim verdicts plus allow/block decisions.
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ProvenanceGuard: Source-Aware Factuality Verification for MCP-Based LLM Agents
ProvenanceGuard decomposes MCP-agent answers into atomic claims, routes them to source-specific evidence via stable IDs, verifies support and attribution with NLI and token alignment, and outputs per-claim verdicts plus allow/block decisions.