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Artificial Intelligence Lichens Tools

Lichens Innovation repository for AI-assisted development tools — a single place for rules, agents, skills, MCP (Model Context Protocol) servers, and any other artifacts that enhance coding with AI (Cursor, GitHub Copilot, Claude Code, etc.). This repo started with Agent Skills and has grown to cover the full spectrum of configurable AI dev tooling.

• Artificial Intelligence Lichens Tools
  • Claude Code
  • Hooks
  • Marketplace
  • MCP
  • Plugins
  • Rules
  • Skills
  • Skills CLI
  • Subagents

Installation

Plugin

For agents, skills, hooks and MCP, with Claude Code install the desired plugin :

1. Clone the repository
2. Register to the marketplace claude plugin marketplace add ./ai-dev-tools
3. Install the desired plugin with claude plugin install my-plugin@lichens-ai-dev-tools, e.g. claude plugin install ci@lichens-ai-dev-tools

Rule

For rules installation:

1. Clone the repository
2. npm i -g vibe-rules
3. vibe-rules load ./path-to/rule.md <editor> e.g. vibe-rules load ./ai-dev-tools/rules/python-style.md claude-code

Handpicked Skills

For single skill installation without using plugins. Note that for Claude Code, the only downside is that skill are installed in a separated .agents folder and not directly in the .claude to respect the AGENT.md convention that Anthropic seems to avoid at all cost to stay "special".

1. Clone the repository
2. npx skills add ./ai-dev-tools/skills/my-skills e.g. npx skills add ./ai-dev-tools/skills/generate-pr-description.
3. The skill CLI will enter an interractive mode, you will select your agent (e.g. claude code) and the scope (project / global).

Skills, Rules, Subagents, Memory And Hooks

When you start using this repository your first question will probably be something like: what tool do I need to use ? This is totally normal because it is always confusing at first to understand the difference between skill, rules, subagents, etc. since at the end of the day, they are all simply markdown files !

To understand their different roles, you can compare Claude Code to a restaurant :

Tool	Kitchen analogy	When to use
Subagent	Kitchen chef — owns a domain (backend, frontend, ci) and handles it independently	Task requires deep focus in one area
Skill	Defines how to do something specific	Recipe — reusable, step-by-step technique
Rules	Restaurant guidelines — e.g. don’t put too much salt	General coding standards and constraints
Hooks	Dishwasher — runs automatically, no person needed	Stuff that can be fully automated