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Agent skill

PR Workflows

by pymc-labs in pymc-labs/CausalPy

Turn issues into PRs, handle commits, and run prek checks consistently.

Apache-2.0Auto-check passed

Install PR Workflows

skills CLI
$ npx skills add pymc-labs/CausalPy --skill pr-workflows -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install pymc-labs/CausalPy pr-workflows --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/pymc-labs/CausalPy.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/pr-workflows .claude/skills/pr-workflows && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
pr-workflows
GitHub stars
1.2k
Token cost
~121 tokens
SKILL.md length
44 words
Files
4
Skills in repo
12
Repo updated
First seen
Licence
Apache-2.0

At a glance

Turn issues into PRs, handle commits, and run prek checks consistently.

  • SKILL.md covers When to use and References
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

PR Workflows is an agent skill from pymc-labs/CausalPy. Turn issues into PRs, handle commits, and run prek checks consistently.

Its SKILL.md is about 120 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files (for example `reference/committing.md`, `reference/issue-to-pr.md` and `reference/prek.md`).

The repository describes itself as: A Python package for causal inference in quasi-experimental settings. The licence is Apache-2.0.

Example prompts

  • “/pr-workflows”

What it can do on your machine

Read from SKILL.md and the folder at commit f17b30f. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

PR Workflows loads about 121 tokens when it runs. Until then it costs about 21 tokens; SKILL.md has 44 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~21
When it runs · the whole SKILL.md, loaded when a task matches
~121

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from pymc-labs/CausalPy at commit f17b30f, republished under its Apache-2.0 licence (© pymc-labs). 44 words, ~121 tokens.

Download SKILL.mdSave it as .claude/skills/pr-workflows/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
pr-workflows
description
Turn issues into PRs, handle commits, and run prek checks consistently.

PR Workflows

This skill covers the end-to-end PR flow, including commits and prek usage.

When to use

  • Turning an issue into a PR
  • Preparing commits and PR summaries
  • Running prek checks and fixing hook output

References

© pymc-labs, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files in .agents/skills/pr-workflows of pymc-labs/CausalPy.

  • SKILL.md
  • reference/committing.md
  • reference/issue-to-pr.md
  • reference/prek.md

Open the folder on GitHubat commit f17b30f

Compare with similar skills

PR Workflows next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

PR Workflows compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
PR Workflows this skillpymc-labs/CausalPy1.2k—~121Automated safety check: PassApache-2.0
Commitsickn33/agentic-awesome-skills47k2 repos~1.3kAutomated safety check: PassMIT
Commitdavila7/claude-code-templates32k3 repos~730Automated safety check: PassMIT
Commitwindmill-labs/windmill18k—~447Automated safety check: PassCustom licence
Commitccusage/ccusage19k—~722Automated safety check: PassCustom licence
CommitsJetBrains/intellij-community21k—~589Automated safety check: PassCustom licence

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More from pymc-labs/CausalPy

All 12 skills in this repo

  • Example Datasets

    pymc-labs/CausalPy

    Load built-in CausalPy example datasets for demos, tutorials, tests, and quick causal-analysis prototypes.

    1.2k GitHub stars~587 tokensUpdated yesterday
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  • Review PR

    pymc-labs/CausalPy

    Review CausalPy pull requests end-to-end by classifying PR type, checking branch freshness, mergeability, remote CI, correctness, security, tests, docs, and maintainer concerns.

    1.2k GitHub stars~2.2k tokensUpdated yesterday
    Auto-check passed

  • Causal Detective

    pymc-labs/CausalPy

    Challenge causal claims through structured threat assessment, counterfactual reasoning, and CausalPy falsification checks.

    1.2k GitHub stars~809 tokensUpdated yesterday
    Auto-check passed

  • Running Placebo Analysis

    pymc-labs/CausalPy

    Performs placebo-in-time sensitivity analysis with hierarchical null model and optional Bayesian assurance.

    1.2k GitHub starsUsed in 1 repo~442 tokens
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  • Python Environment

    pymc-labs/CausalPy

    Detect, configure, and use the project's Python environment (uv by default, conda-compatible tool as a fallback).

    1.2k GitHub stars~1.1k tokensUpdated yesterday
    Auto-check passed

  • Feature Exploration

    pymc-labs/CausalPy

    Explore unfamiliar APIs, libraries, or implementation behavior with minimal reproducible examples and documented findings.

    1.2k GitHub stars~442 tokensUpdated yesterday
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Questions about PR Workflows

What does PR Workflows do?

Turn issues into PRs, handle commits, and run prek checks consistently. PR Workflows is an agent skill from pymc-labs/CausalPy. Turn issues into PRs, handle commits, and run prek checks consistently.

How do I install PR Workflows in Claude Code?

Run `npx skills add pymc-labs/CausalPy --skill pr-workflows -a claude-code`. Or copy the skill folder (.agents/skills/pr-workflows in pymc-labs/CausalPy) into .claude/skills/pr-workflows in your project. Claude Code loads it when a task matches its description.

How do I install PR Workflows in Codex?

Run `npx skills add pymc-labs/CausalPy --skill pr-workflows -a codex`. Or copy the skill folder (.agents/skills/pr-workflows in pymc-labs/CausalPy) into .agents/skills/pr-workflows in your project. Codex loads it when a task matches its description.

Can I use PR Workflows in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add pymc-labs/CausalPy --skill pr-workflows -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pr-workflows, .gemini/skills/pr-workflows, .github/skills/pr-workflows and .opencode/skills/pr-workflows in your project.

What does PR Workflows need to run?

SKILL.md names no scripts, command-line tools or credentials: PR Workflows is instructions for the agent only.

Does PR Workflows access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is PR Workflows safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does PR Workflows use?

PR Workflows is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does PR Workflows use?

About 121 tokens (SKILL.md is roughly 484 characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to PR Workflows?

Skills that share tags, products or a category with PR Workflows: Commit (sickn33/agentic-awesome-skills, 47k stars), Commit (davila7/claude-code-templates, 32k stars), Commit (windmill-labs/windmill, 18k stars) and Commit (ccusage/ccusage, 19k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains PR Workflows?

pymc-labs (a GitHub organization) maintains it in pymc-labs/CausalPy, which has 1,201 GitHub stars. The repository holds 12 skills in this directory. The repository was last updated on October 7, 2026.

Source: pymc-labs/CausalPy on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.