<p>Anthropic has published a new plugin evals workflow for Claude Code. The claude plugin eval command runs a plugin against realistic prompts, grades what Claude produced, and compares the result with a run where the plugin is not loaded. It answers 3 questions plugin developers could not previously measure: does the skill trigger, does it […]</p> <p>The post <a href="https://www.marktechpost.com/2026/09/11/anthropic-adds-plugin-evals-to-claude-code-6-grader-types-a-no-plugin-baseline-and