4 tagged developer platform, measured the same way as everything else here.
Skill Claude CodeCodex
Run all three agent integration phases sequentially: research, write-tests, and implement using E2E-first TDD (unit tests written last). For individual phases, use /agent-integration:research, /agent-integration:write-tests, or /agent-integration:implement. Use when the user says "integrate agent", "add agent…
Skill Claude CodeCodex
Generate or update the CHANGELOG.md for a new release version. Use when the user says "generate changelog", "update changelog", "write release notes", or asks to prepare a changelog for a version like "changelog for 0.5.3".
Skill Claude CodeCodex
Use this skill to test strategy changes against a fresh test repository. Invoke when the user asks to "test against a test repo", "validate the changes", or wants to verify session hooks, commits, and rewind functionality work correctly.