withastro

Triage a bug report. Reproduces the bug, diagnoses the root cause, verifies whether the behavior is intentional, and attempts a fix. Use when asked to "triage issue

Create a changeset for the Astro monorepo. Use this skill whenever you need to add a changeset file to a PR, write a changelog entry, or document a package version bump. Also trigger when the user says "add a changeset", "write a changeset", "create a changeset", or when another skill instructs you to create a changeset.

Write and update Astro pull requests with reviewer-friendly titles and high-signal bodies. Trigger whenever the user asks to create a PR, open a PR, draft a PR, update PR title/body, or write PR notes/summary/description.

Comprehensive guide for developing in the Astro monorepo. Covers architecture, debugging, testing, and critical constraints. Use when working on features, fixes, tests, or understanding the codebase structure.

Analyze recent GitHub Actions workflow runs to identify patterns, mistakes, and improvements. Use when asked to "analyze workflow logs", "review action runs", or "analyze GitHub Actions".

Manage Astro minor releases end-to-end — from creating GitHub milestones and Linear tickets to executing release-day tasks like Algolia indexing and merging articles. Use this skill whenever the user mentions setting up an Astro release, creating release tickets, preparing a minor release, "release day", running the Astro release checklist, indexing Algolia after a release, or anything related to the Astro release process. Also trigger for phrases like "set up 6.4 release", "create the release milestone", "release day for Astro", or "time to ship".

Review and assess security advisories filed against the Astro framework. Use this skill whenever someone asks to review a security advisory, triage a GHSA, evaluate a vulnerability report, assess a CVE, or look at a security disclosure for Astro. Also trigger when the user shares a security advisory and asks whether it's valid, real, exploitable, or worth fixing — even if they don't use the word "security" explicitly but paste something that looks like a vulnerability report with a PoC or GHSA identifier.

Trigger and monitor a preview release for an Astro pull request. Use this skill whenever the user wants to publish a preview/canary build of an Astro PR so that reporters or users can test a fix before it merges — including phrases like "create a preview release", "add the preview label", "let someone test this PR", "publish a canary for this fix", or "how do I get a preview package for this PR". Specific to the withastro/astro monorepo and pkg.pr.new.

Analyze Astro CI test performance to find the slowest tests and produce a report with per-suite tables, platform breakdowns, and actionable recommendations. Use this skill whenever the user asks about CI test performance, slow tests, test timing, test duration, test speed, making tests faster, CI optimization, or anything related to profiling or benchmarking the Astro test suite. Also trigger when the user mentions "test perf", "slow CI", "CI takes too long", or "which tests are slowest".

Generate a personalized greeting for a given name. Use when asked to greet someone.