{"type": "article", "title": "ProvenanceGuard: Source-Aware Factuality Verification for MCP-Based LLM Agents", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/provenanceguard-source-aware-factuality-verification-for-mcp-based-llm-agents", "original_source": "https://www.machinebrief.com/news/provenanceguard-source-aware-factuality-verification-for-mcp-tem4", "published": "2026-07-28T04:00:00+00:00", "accessed": "2026-07-28", "id": "provenanceguard-source-aware-factuality-verification-for-mcp-based-llm-agents"}