Claude Code Starter Kit: 5 Essential Skills Every Developer Needs

If you just started using Claude Code and want to know which skills to install first, this is your starter kit. These five free SKILL.md skills cover the tasks you do every day — commit messages, code review, documentation, environment debugging, and PR descriptions. Install all five in under five minutes and your Claude Code experience changes immediately.

Why a starter kit matters

Claude Code is powerful without any skills installed, but it improvises. Ask it to write a commit message and it'll produce something reasonable. Ask it again tomorrow and the format will be different. Skills give Claude a consistent playbook to follow, which means reliable output every time.

These five skills were chosen because they have the broadest impact. They're not niche tools for specific frameworks — they're workflows that every developer uses regardless of language, stack, or team size.

The 5 essential skills

1. git-commit-writer

What it does: reads your staged changes and writes a conventional commit message. Detects commit type (feat, fix, refactor, docs, chore), identifies the scope, and flags breaking changes.

Why it's essential: you use git every day. Writing good commit messages is important but tedious. This skill handles it in seconds and follows the Conventional Commits spec, so your messages work with semantic-release and changelog tools.

Get git-commit-writer — Free

2. code-reviewer

What it does: runs a structured code review checking for security vulnerabilities, logic errors, edge cases, performance issues, and style violations. Groups findings by severity.

Why it's essential: everyone needs a second pair of eyes. Solo developers don't have a teammate to review their code. Team developers need a consistent first pass before human review. This skill catches the obvious stuff every time.

Get code-reviewer — Free

3. pr-description-writer

What it does: reads your branch diff and generates a pull request description covering what changed, why, how it was implemented, and what to test.

Why it's essential: good PR descriptions lead to faster reviews. This skill produces descriptions that are consistently better than "fixes stuff" or an empty body.

Get pr-description-writer — Free

4. env-doctor

What it does: systematically diagnoses why your project won't start by checking runtime versions, dependencies, environment variables, database connections, and port conflicts.

Why it's essential: you don't need this every day, but when you need it, it saves 30 minutes of guessing. Especially useful when cloning new repos, switching branches, or onboarding to team projects.

Get env-doctor — Free

5. readme-generator

What it does: scans your project structure, reads package files and dependencies, and generates a complete README.md with accurate installation instructions and usage examples.

Why it's essential: every project needs a README. This skill produces a solid first draft in seconds based on what's actually in your codebase, not generic boilerplate.

Get readme-generator — Free

How to install the starter kit

Install all five in one go:

# Create the skills directory if it doesn't exist
mkdir -p ~/.claude/skills

# Download each skill from Agensi and unzip
unzip git-commit-writer.zip -d ~/.claude/skills/
unzip code-reviewer.zip -d ~/.claude/skills/
unzip pr-description-writer.zip -d ~/.claude/skills/
unzip env-doctor.zip -d ~/.claude/skills/
unzip readme-generator.zip -d ~/.claude/skills/

Start a new Claude Code session and all five are active immediately. No configuration needed.

These skills also work on OpenClaw (~/.openclaw/skills/), Codex CLI (~/.codex/skills/), and Cursor (.cursor/skills/).

What to add next

Once you've used these five for a week, you'll know which areas of your workflow need more automation. Common next additions include a changelog-generator for release notes, a migration-auditor for database safety, and category-specific skills for testing, DevOps, or frontend development.

Browse the full collection of skills organized by workflow on the Agensi marketplace. For a more comprehensive set of recommended combinations, see our Claude Code skills bundle guide.

Download all starter kit skills for free at Agensi.

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