Validate and enforce quality standards in Bash and shell scripts using ShellCheck, with robust error handling patterns, cross-platform portability guidance, and automated session gating for script compliance.
Use when implementing error handling, cleanup routines, or debugging in shell scripts. Covers traps, exit codes, and robust error patterns.
Use when writing shell scripts that need to run across different systems, shells, or environments. Covers POSIX compatibility and platform differences.
Use when writing or modifying Bash/shell scripts. Covers script structure, variables, quoting, conditionals, and loops with modern best practices.
Ship-ready code from your AI coding agent. 139+ plugins for quality gates, tooling, memory, and specialized agents — so your AI writes code that's ready to merge.
Two commands. That's it.
# 1. Install the CLI
curl -fsSL https://han.guru/install.sh | bash
# 2. Auto-detect and install plugins for your project
han plugin install --auto
Next time you use Claude Code, validation hooks run automatically when you finish a conversation.
# Homebrew (macOS/Linux)
brew install thebushidocollective/tap/han
139 plugins across six categories:
| Category | Description | Examples |
|---|---|---|
| Core | Essential infrastructure. Auto-installs han binary, provides metrics and MCP servers | Always required |
| Languages | Validation plugins for your language/runtime | TypeScript, Rust, Python, Go, Ruby |
| Validation | Linters, formatters, and quality tools | Biome, ESLint, ShellCheck, Pytest |
| Disciplines | Specialized AI agents for engineering domains | Security, accessibility, API design, architecture |
| Services | MCP servers for external platforms | GitHub, GitLab, Linear |
| Tools | MCP servers for development utilities | Playwright, Blueprints, Context7 |
Browse all plugins at han.guru/plugins
--auto flag detects your stack automatically# Install plugins
han plugin install # Interactive mode
han plugin install --auto # Auto-detect your stack
han plugin install <name> # Install specific plugin
# Manage plugins
han plugin search <query> # Search marketplace
han plugin uninstall <name> # Remove plugin
# Run hooks manually
han hook run <plugin> <hook> # Run a specific hook
han hook explain # Show configured hooks
# MCP server
han mcp # Start MCP server for natural language hook execution
Full documentation at han.guru/docs
See CONTRIBUTING.md for how to create new plugins.
MIT License - see LICENSE
Built by The Bushido Collective
Modifies files
Hook triggers on file write and edit operations
Based on adoption, maintenance, documentation, and repository signals. Not a security audit or endorsement.
npx claudepluginhub thebushidocollective/han --plugin shellcheckValidation and quality enforcement for shell scripts using shfmt.
Comprehensive Bash 5.1+ and POSIX shell development plugin with modular skills for scripting, portability, testing, linting, logging, and version-specific features (5.1, 5.2, 5.3 changelogs with examples). Includes specialized agents for script development and code auditing.
Production-grade Bash scripting with defensive programming, POSIX compliance, and comprehensive testing
Bash language server
Embedded development agents providing expertise in RTOS, firmware, and IoT
Comprehensive Cucumber BDD testing skills for behavior-driven development with Gherkin syntax.
Advanced Objective-C programming skills for iOS and macOS development
Advanced Python skills for type system, async patterns, and data modeling.
Advanced PHP programming skills for modern PHP and security patterns
Language-specific programming skills for production-grade code (Bash)
Lazy senior dev mode. Forces the simplest, shortest solution that actually works: YAGNI, stdlib first, no unrequested abstractions.
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