What problem does it solve? Code that compiles or merely exists is often assumed to work, leading to undetected bugs reaching production. This Skill enforces verification through execution, requiring actual run evidence instead of inspection or assumption. ## Core Features & Use Cases - Execution-Based Verification Protocol: A four-step workflow that identifies what changed, selects the right verification method, executes it, and reports concrete evidence. - Change-Type Verification Matrix: Maps bug fixes, new features, refactors, API changes, UI changes, and config changes to appropriate verification commands. - Project-Type Checklists: Ready-made verification checklists for web applications, APIs/backends, and CLI scripts covering builds, tests, and runtime behavior. - Use Case: After fixing a bug in an API endpoint, run the verification protocol to reproduce the original failure scenario, confirm the fix via curl, and produce a structured evidence report. ## Quick Start Verify that the changes just made to the project actually work by running the build, tests, and relevant endpoints, then report the evidence.