Evaluation
Getting the Source Right, Not Just the Fact: Source-Aware Verification for MCP Agents
Our short summary of Hugging Face’s engineering write-up. The full story, with all the detail, is on their blog.
Read the full write-up on huggingface.co (opens in a new tab)Problem
Agents mix information from many tools, making it hard to tell if answers cite the correct source.
Solution
They created ProvenanceGuard, a verification step that checks each claim against the specific tool output it claims to come from, catching wrong attributions.
Want the architecture, code and numbers? They’re in the original post.
Read the full write-up on huggingface.co (opens in a new tab)