Makes a UI pull request autonomously verifiable. `author` writes a Markdown intent spec — the happy path plus out-of-bounds cases from a PR-scoped brainstorm — into the PR description as a collapsed, machine-findable block (delegated to by `create-pr` on UI diffs). `run` resolves the PR's live preview URL via the GitHub deployments API and runs the spec there through `aw-tester`, which may adapt the route but checks every expected outcome with evidence, and reports a verdict plus full-page screenshots (`--no-screenshots` opts out). It then tries to break the same change — hostile input, double submits, failed requests, small viewports — and documents every probe with screenshots, never changing the verdict (`--no-adversarial` opts out). `verify` is author-if-needed, then run. `setup` delegates to `aw-setup --target preview`. A LoreKit loop feeds runner friction into the next spec. Web only. Triggers on "write a preview spec", "verify this PR's preview", "try to break this PR's preview", "/ui-verify".
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Low-risk findings worth noting
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
The agent skill inspects pull request descriptions and comments read via GitHub integrations or MCP tools, exposing the workflow to untrusted outsider-authored text.
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