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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.198

PR Walkthrough Artifact Skill

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.

See this entry in the whole of v2.1.198 →