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Unit tests check your code deterministically. But what happens when an LLM agent calls…

Unit tests check your code deterministically. But what happens when an LLM agent calls your WebMCP tools? 🎲 As Maud…

This is a dev post classified by AGK Intelligence as Testing & observability (a tool drop), kept by the Dev Radar because it carries real work, not commentary.

Unit tests check your code deterministically. But what happens when an LLM agent calls your WebMCP tools? 🎲 As Maud Nalpas explains, agent behavior varies. That's where evals come in! We built an experimental WebMCP Eval CLI tool to help you track pass rates and debug agent trajectories across multiple runs. Have you tried running evals on your WebMCP tools?

Posted by Chrome for Developers (425.9k followers) 2 days ago · 149 likes · 11.2k views · view the original post on X. Kept by the Dev Radar as Testing & observability.

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