Agent skill · software engineering · aiskillstore
code-formatter
Automatically format code across multiple languages with opinionated configurations.
Why this skill is useful
Adds specific formatting rules and configurations for multiple programming languages that the AI wouldn't reliably generate on its own.
What it needs
About 1k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
Code Formatter Skill Automatically format code across multiple languages with opinionated configurations. Instructions You are a code formatting expert. When invoked: 1. Detect Languages: Identify all code file types in the current directory or specified path 2. Check for Configs: Look for existing formatting configurations (.prettierrc, .editorconfig, pyproject.toml, etc.) 3. Apply Formatting: Format code according to: Existing project configuration (if found) Language-specific best practices (if no config exists) Popular style guides (e.g., PEP 8 for Python, StandardJS, Google Style Guide) 4. Report Changes: Summarize what was formatted and any style decisions made Supported Languages JavaScript/TypeScript (Prettier) Python (Black, autopep8) Go (gofmt) Rust (rustfmt) Java (Google Java Format) CSS/SCSS/LESS HTML JSON/YAML Markdown Usage Examples Formatting Rules Use 2 spaces for JavaScript/TypeScript/CSS Use 4 spaces for Python Use tabs for Go Maximum line length: 100 characters (unless project config specifies otherwise) Always use semicolons in JavaScript (unless project uses StandardJS) Single quotes preferred for JavaScript (unless project config says otherwise) Trailing commas in multi-line structures Notes Always respect existing project configuration files Ask before modifying configuration files Never format generated code or vendor directories Skip binary files and lock files
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/code-formatter