Agent skill
prepare
Use when preparing a codebase for first-time public/open-source release. Full lifecycle from audit through documentation, hardening, and final review.
Install this agent skill to your Project
npx add-skill https://github.com/2389-research/claude-plugins/tree/main/git-repo-prep/skills/prepare
SKILL.md
Prepare for Open-Source Release
Announce: "I'm using git-repo-prep:prepare to walk through open-source preparation."
Setup
Create a TodoWrite checklist for all 9 phases:
- Discovery
- Secrets & Personal Info Audit
- License
- Documentation
- Gitignore Refinement
- Project Hardening
- Repository Metadata
- Backlog & Honesty
- Final Review
Phase Pattern
Every phase follows this loop:
- Mark this phase's task in_progress
- Scan/audit current state for this phase
- Present findings to user
- Propose specific changes
- AskUserQuestion — skip / approve / modify
- Implement approved changes
- Commit with descriptive message (e.g.,
docs: add CONTRIBUTING.md) - Mark phase task complete, move to next
Rules
- DO NOT prescribe choices — always ask via AskUserQuestion (license, CI provider, test framework, etc.)
- DO NOT drift into code quality review — stay focused on what matters for making the repo public. Ignore code style, error handling, architecture, performance.
- DO NOT over-engineer — don't add dotenv, validation, startup checks, or error handling beyond what the user asks for. The goal is open-source readiness, not refactoring.
- DO NOT dump everything at once — work one phase at a time, wait for user approval before moving on.
- DO treat personal info as a separate concern from secrets — emails, usernames, and real names in config or metadata are privacy issues even if they aren't credentials.
- DO check license consistency across LICENSE file, package metadata, and README.
- DO mention ecosystem-specific items when a known stack is detected.
Phase 1: Discovery
Detect the ecosystem and scan project structure.
Detect ecosystem by looking for:
| File | Ecosystem |
|---|---|
package.json |
Node.js |
pyproject.toml / setup.py / setup.cfg |
Python |
Cargo.toml |
Rust |
go.mod |
Go |
*.csproj / *.sln |
.NET |
Gemfile |
Ruby |
pom.xml / build.gradle |
Java/Kotlin |
Report what exists (present/missing):
- README
- LICENSE
- .gitignore
- CI/CD config (.github/workflows/, .gitlab-ci.yml, etc.)
- Tests directory
- CONTRIBUTING.md
- SECURITY.md
- CHANGELOG
Present findings to user before proceeding.
Phase 2: Secrets & Personal Info
Two separate scans. Both matter for making a repo public.
Secrets scan
- Hardcoded API keys, passwords, tokens, connection strings in source files
.envfiles or config files containing real credentials- AWS keys, GitHub tokens, database URLs with passwords, SMTP credentials
- Private keys (
.pem,.keyfiles)
Personal info scan
- Email addresses in package metadata (package.json
author, pyproject.tomlauthors, Cargo.tomlauthors) - Email addresses in source code comments or config
- Real names or usernames hardcoded in source (e.g.,
DEFAULT_AUTHOR = "jsmith") - Usernames in URLs or paths
If secrets or personal info found:
- Warn that git history also contains these values
- Recommend key rotation/revocation for any real credentials
- Suggest
git filter-repoor BFG Repo Cleaner for history rewriting if needed - Propose replacing secrets with environment variables and creating
.env.example - Propose replacing personal info with generic values or removing it
Do not add dotenv packages, validation, or startup checks unless the user asks.
Phase 3: License
Ask the user which license they want. Present common options:
- MIT — permissive, simple
- Apache-2.0 — permissive, patent grant
- GPL-3.0 — copyleft
- Other — ask user to specify
Then:
- Create or update
LICENSEfile - Update package metadata license field:
package.json→"license": "MIT"pyproject.toml→licensefieldCargo.toml→licensefield
- Add license section to README (or update if present)
- Check for mismatches — if LICENSE file says MIT but metadata says ISC, flag it
Phase 4: Documentation
README
Check for these sections (present or missing):
- What the project does and why
- Installation / getting started
- Usage with examples
- Configuration (if applicable)
- License section
- Limitations / known issues
Don't write the full docs without asking. Propose the structure, ask user for approval, then help draft.
CONTRIBUTING.md
Propose including:
- How to report bugs
- How to submit changes (PR workflow)
- Code style / conventions
- Testing expectations
- Any CLA or DCO requirements
SECURITY.md
Propose a vulnerability reporting process. At minimum: an email or instructions for responsible disclosure.
CLAUDE.md (optional)
If the project already uses AI tools or has complex setup, suggest a CLAUDE.md with build/test/lint commands and architectural notes. Ask first — don't create by default.
Phase 5: Gitignore Refinement
Check current .gitignore against ecosystem best practices:
| Ecosystem | Must ignore |
|---|---|
| Node.js | node_modules/, .env, dist/, coverage/ |
| Python | __pycache__/, *.pyc, .env, *.egg-info/, dist/, .venv/ |
| Rust | target/, .env |
| Go | vendor/ (if not vendoring), .env |
| General | .env, .env.*, *.log, .DS_Store, *.pem, *.key |
Always check:
.envand.env.*patterns excluded- Credentials directories excluded
- Build artifacts excluded
- IDE/OS files excluded (
.idea/,.vscode/,.DS_Store,Thumbs.db)
If sensitive files are already tracked:
- Flag them: "These files are tracked by git and need
git rm --cached" - Propose the commands, get approval before running
Phase 6: Project Hardening
Ask the user what level of hardening they want before proposing anything. Options:
- Minimal — just CI basics
- Standard — CI + dependency updates
- Full — CI + dependency updates + hooks + coverage
CI/CD
Ask which provider (GitHub Actions is most common). Propose a workflow that:
- Runs tests
- Runs linter (if project has one)
- Runs on push and PR
Dependency management
Suggest Dependabot (GitHub) or Renovate. Brief config.
Pre-commit hooks
Suggest only if project doesn't already have them. Keep it simple — lint + format.
Coverage enforcement
Suggest only if tests already exist. Don't add test frameworks — that's beyond open-source prep scope.
Phase 7: Repository Metadata
Ecosystem-specific metadata that helps with discoverability and distribution:
| Ecosystem | Check for |
|---|---|
| Node.js | repository URL, engines field, files field (or .npmignore), keywords, description |
| Python | [project.urls], classifiers, requires-python, keywords, description |
| Rust | repository, keywords, categories, rust-version, description |
| Go | module path matches repo URL, godoc comment on package |
Flag anything missing. Propose additions. Don't prescribe values — ask the user for descriptions, keywords, etc.
Phase 8: Backlog & Honesty
Building trust with contributors by being upfront about the project's state.
- BACKLOG.md — Suggest creating one if the project has known gaps, unfinished features, or planned work. Ask user what to include.
- Limitations section in README — If not already present, suggest adding known limitations, unsupported use cases, or stability caveats.
These are optional. Ask before creating.
Phase 9: Final Review
Invoke git-repo-prep:review as a final validation pass.
This catches anything missed during the prepare phases and gives the user a clean summary of the repo's openness state.
Use the Skill tool: skill: "git-repo-prep:review"
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