What
A new built-in skill that generates a shareable HTML walkthrough artifact for a pull request — what changed, why, reviewer-oriented before/after narrative, and annotated code sections.
Usage
# Generate a PR walkthrough artifact
/explain-pr <PR number or URL>
# Explicitly target a specific PR
claude "Generate a shareable walkthrough artifact for PR #42"Details
- Produces a self-contained HTML page a reviewer can read before opening the diff
- Sections: summary of what the diff does, motivation, code walkthrough, open questions
- Traces what the code actually does (not just inferred from names)
- After generating findings, publishes them as an artifact for sharing outside the terminal
- Skill invokable with
"Generate a shareable walkthrough artifact for a pull request"
Evidence
Skill description (search for "Generate a shareable walkthrough artifact for a PR") and the goal block ("## Goal Produce a shareable PR walkthrough artifact")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.