astral-sh

Use when a user says "summarise ecosystem results", "summarize this ty ecosystem report", "what changed in this ecosystem run?", or asks to summarise or summarize ty ecosystem results for a Ruff PR from a PR number, PR URL, GitHub ecosystem-results comment, or detailed HTML report.

Use when a user says "minimize this ty ecosystem change", "reproduce this ecosystem result", "investigate a primer difference", "investigate a mypy_primer difference", "investigate a mypy-primer difference", or asks to reproduce, investigate, or minimize behavior changes in ty ecosystem/primer/mypy_primer/mypy-primer projects.

Use when a user says "add a ty diagnostic", "write this new ty diagnostic", "change a ty error message", "review ty diagnostics", or asks to add, update, or review ty checks, diagnostic messages, subdiagnostics, or concise output behavior.

Guide for using ruff, the extremely fast Python linter and formatter. Use this when linting, formatting, or fixing Python code.

Guide for using ty, the extremely fast Python type checker and language server. Use this when type checking Python code or setting up type checking in Python projects.

Guide for using uv, the Python package and project manager. Use this when working with Python projects, scripts, packages, or tools.

Download retained Codex GitHub Action thread artifacts and load their rollout history into the local Codex app. Use when asked to open, load, import, resume, or inspect a Codex automation thread from a GitHub Actions run or a related GitHub issue or pull request.

Find open Dependabot PRs for the current GitHub repo, compare each PR head to its base branch, replay only the net dependency changes in a fresh worktree and branch, run npm validation, and optionally commit, push, and open a PR. Use when you want to batch or manually replicate active Dependabot updates.

Find open Dependabot PRs for ruff-action, compare each PR head to its base branch, replay only the remaining npm and GitHub Actions changes in a fresh worktree and branch, run repository validation, and optionally commit, push, and open a PR. Use when you want to batch or manually replicate active Dependabot updates.