Use pytest with advanced patterns (markers, custom assertions, coverage) and fixtures with various scopes, plus leverage the plugin ecosystem (pytest-cov, pytest-mock). Automated hooks log file writes and web fetches to a knowledge base for enhanced testing workflows.
Use when advanced Pytest features including markers, custom assertions, hooks, and coverage configuration.
Use when pytest fixtures, conftest files, parametrize decorators, and fixture scopes for comprehensive test setup.
Use when pytest plugin ecosystem including pytest-cov, pytest-mock, and custom plugin development.
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
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Verify ownership to unlock analytics, metadata editing, and a verified badge. GitHub access is read-only (username + org membership).
Sign in to claimBased on adoption, maintenance, documentation, and repository signals. Not a security audit or endorsement.
Comprehensive Jest testing framework skills for JavaScript and TypeScript projects.
Official Linear MCP server integration with OAuth authentication. Provides issue management, project tracking, and ensures work completeness. Zero configuration - OAuth handles authentication automatically.
Build node-based editors, interactive diagrams, and workflow builders with Svelte Flow.
Canva design platform integration for creating, editing, and exporting designs via Canva's hosted MCP server
Helm chart validation and best practices
npx claudepluginhub thebushidocollective/han --plugin pytestAgents specialized in quality assurance, testing strategies, and test architecture. Focuses on ensuring code quality and reliability.
Modern R development skills for Claude Code - tidyverse patterns, rlang metaprogramming, Bayesian inference, performance optimization, and more
Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.
Complete collection of battle-tested Claude Code configs from an Anthropic hackathon winner - agents, skills, hooks, and rules evolved over 10+ months of intensive daily use
20 SEO/GEO skills and 5 commands on one shared contract for keyword research, content creation, technical audits, schema markup, monitoring, quality gates, entity truth, and campaign memory.
Comprehensive SEO analysis plugin for Claude Code. 25 sub-skills (21 core + 1 orchestrator + 1 framework + 2 extension mirrors) and 18 sub-agents cover technical SEO, content quality, schema, sitemaps, Core Web Vitals, local SEO, backlinks, AI/GEO, ecommerce, hreflang, SXO, clustering, drift monitoring, and Google APIs. Includes optional MCP extensions, SPA-aware rendering, portability, and hardened SSRF/DNS-rebinding safe fetchers.