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Title: Create agent skill for writing bespoke prek hooks by Copilot · Pull Request #1541 · usethis-python/usethis-python · GitHub

Open Graph Title: Create agent skill for writing bespoke prek hooks by Copilot · Pull Request #1541 · usethis-python/usethis-python

X Title: Create agent skill for writing bespoke prek hooks by Copilot · Pull Request #1541 · usethis-python/usethis-python

Description: Adds guidance for agents writing custom project-specific prek hooks as Python scripts, prompted by review feedback on #1532 where a bash hook was rejected in favor of Python. New skill usethis-prek-hook-bespoke-create covers: Location/naming: .py scripts in hooks/ at project root, kebab-case filenames Pure Python constraint: Standard library only, no subprocessing — if it needs an external tool, it's not a bespoke hook Script structure: sys.exit conventions, stderr for errors, optional --fix flag via argparse Performance: Targeted file reads, efficient glob patterns, avoid heavy imports Wiring: Local system hook entry using uv run --frozen --offline hooks/.py Example hook config from the skill: - repo: local hooks: - id: check-skills-documented name: check-skills-documented entry: uv run --frozen --offline hooks/check-skills-documented.py language: system always_run: true pass_filenames: false priority: 0 Defers to existing usethis-prek-add-hook skill for priority assignment and placement. Original prompt This section details on the original issue you should resolve Create an agent skill for writing bespoke git hooks Originally posted by @nathanjmcdougall in #1532 (comment) Let's make an agent skill describing how to make bespoke prek hooks for custom checks. We can write them as .py scripts in a hooks directory. We should invoke them using uv run similar to some of the other system hooks. They should never subprocess software, only use basically pure python. They should be performant. Comments on the Issue (you are @copilot in this section) Fixes #1540 💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

Open Graph Description: Adds guidance for agents writing custom project-specific prek hooks as Python scripts, prompted by review feedback on #1532 where a bash hook was rejected in favor of Python. New skill usethis-prek...

X Description: Adds guidance for agents writing custom project-specific prek hooks as Python scripts, prompted by review feedback on #1532 where a bash hook was rejected in favor of Python. New skill usethis-prek...

Opengraph URL: https://github.com/usethis-python/usethis-python/pull/1541

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025ef9a Merge branch 'main' into copilot/create-agent-skill-for-git-hooks nathanjmcdougall Mar 25, 2026 https://github.com/usethis-python/usethis-python/pull/1541/commits/025ef9a331898eaafdce6c0de8fb1b6a7d17f2c6
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