Best hooks and plugins skills for Claude Code, Codex and other agents.

Explains how to write Claude Code plugin hooks, both prompt-based checks and bash commands, for events such as PreToolUse, Stop and SessionStart.

anthropics/claude-plugins-official

Explains how to write agents for Claude Code plugins: the markdown file with YAML frontmatter, trigger descriptions, model and color settings, and system prompt design.

anthropics/claude-plugins-official

A guide to creating and managing Claude Code skills with auto-activation: skill-rules.json triggers, hooks, enforcement levels, YAML frontmatter and progressive disclosure.

diet103/claude-code-infrastructure-showcase

Shows how Claude Code plugins keep per-project settings and state in .claude/plugin-name.local.md files with YAML frontmatter and a markdown body.

anthropics/claude-plugins-official

Explains how to bundle Model Context Protocol servers in a Claude Code plugin, covering config files, stdio, SSE, HTTP and WebSocket server types, and authentication.

anthropics/claude-plugins-official

Set up Claude Code hooks to block dangerous git commands (push, reset --hard, clean, branch -D, etc.) before they execute.

fossasia/eventyay-interpretation

Explains how to write Claude Code slash commands: Markdown files with YAML frontmatter, arguments, file references, bash context and interactive prompts.

anthropics/claude-plugins-official

Walks you through creating, installing and verifying a custom claude-mem mode, including note types, tags and optional Telegram alerts for chosen memories.

thedotmack/claude-mem

Explains the directory layout, plugin.json manifest and component organization of a Claude Code plugin, including auto-discovery and portable paths.

anthropics/claude-plugins-official

Reference for building AI agents with the Cline SDK: the Agent runtime, ClineCore sessions, custom tools, plugins, events, providers, scheduling and multi-agent teams.

cline/cline

Runs a read-only health check for cmux and explains what it finds, covering the CLI and socket, settings, agent hooks, session restore and notifications.

manaflow-ai/cmux

Explains how to configure the Crush coding agent with crushrc or crush.json, covering providers, models, LSPs, MCP servers, hooks, permissions and config precedence.

charmbracelet/crush

Tests the omo Codex plugin in an isolated CODEX_HOME with a local mock model, proving hooks fired through app-server notifications without touching ~/.codex.

code-yeongyu/oh-my-openagent

Guides building, debugging and testing LangBot plugins: components, SDK calls, README and locale rules, SDK pitfalls and WebSocket-based testing.

langbot-app/LangBot

Build, debug, or review Logseq plugins with the @logseq/libs SDK (TypeScript/JavaScript, iframe/shadow sandboxed).

logseq/logseq

Helps write, debug and configure Crush hooks in crush.json that block, approve or rewrite tool calls before they run.

charmbracelet/crush

Guides building or updating a Tabularis database driver plugin in Rust that speaks JSON-RPC over stdio and follows the repository's rules.

TabularisDB/tabularis

为 CC GUI 桌面客户端创建、修改、迭代插件（Tier-0 声明式 CSS/JSON，或 Tier-1 单文件 ESM）。当用户要"做一个插件 / 给 CC GUI 加个功能 / 改输入框或界面样式 / 加设置页、侧边栏或状态栏入口 / 加面板页签或命令面板命令 / 把某套工作流包装成插件 / 改一下我做过的那个插件"，或提到 ccgui 插件、插件目录、从本地目录安装插件时使用。

zhukunpenglinyutong/desktop-cc-gui

A skill your agent uses whenever the user wants to build, extend, debug, test, validate, locally load, package, or publish an OpenPets plugin; work with the OpenPets Plugin SDK v3, plugin manifest…

OpenPetsHQ/openpets

Edits the peon-ping config file to change volume, sound packs, pack rotation, sound categories and notification options, then confirms the change.

PeonPing/peon-ping

Scans a codebase and suggests which Claude Code hooks, subagents, skills, plugins and MCP servers fit its stack, without changing any files.

anthropics/claude-plugins-official

Build new Plate plugins with Slate-first architecture, sane typing, and explicit React/Plate wrapper boundaries.

udecode/plate

Checks Compound Engineering plugin health and repo-local config, or scaffolds a Compound Pack when you ask for one by id.

EveryInc/compound-engineering-plugin

Shows how to build a Vibe plugin package in the Agent Plugins 1.0 format, with a plugin.json manifest and optional skills, MCP servers, hooks and other components.

mistralai/mistral-vibe

Gives the current coding session a custom name that appears in peon-ping desktop notification titles and the terminal tab title, or resets it to automatic.

PeonPing/peon-ping

Maintainer guide to where AgentSys keeps its marketplace, installer, transforms and adapters, and what to run when preparing a release or fixing a platform bug.

agent-sh/agentsys

Maps the hunkdiff/extension API for building Hunk terminal diff viewer extensions: panes, file views, commands, dialogs, themes, VCS backends and lifecycle events.

modem-dev/hunk

Understand what you mean before anything is built. An agent skill from prekuter/dryforge.

prekuter/dryforge

Audits a project's agent configuration, instruction drift, hooks, MCP and AI maintainability, then reports prioritized findings with evidence and next actions.

tw93/Waza

A skill your agent uses when writing, scaffolding, or modifying Nuclear plugins.

nukeop/nuclear

设置 Claude Code hooks，在危险 git commands（push、reset --hard、clean、branch -D 等）执行前阻止它们。适用于用户想防止破坏性 git 操作、添加 git safety hooks，或在 Claude Code 中阻止 git push/reset 时。

vinvcn/mattpocock-skills-zh-CN

Write, extend, and review CKEditor 5 plugins in the Trilium (TriliumNext Notes) monorepo — the rich-text-note editor under packages/ckeditor5, whose plugins live in src/plugins/.

TriliumNext/Trilium

Explains how to design and write skills for Claude Code plugins: SKILL.md frontmatter, bundled scripts, references and assets, and descriptions that trigger at the right time.

anthropics/claude-plugins-official

This skill should be used when creating a Claude Code slash command.

meshery/meshery-operator

A skill your agent uses when /better-harness reviews the outer coding-agent Harness for lifecycle controls, repeated work, project feedback, agent assets, session outcomes, repair planning, durable…

QoderAI/better-harness

Create or extend Wework plugins, including native Connector login and account authentication for reuse on cloud devices.

wecode-ai/Wegent

Switches which character voice pack (GLaDOS, Peon, Kerrigan and others) plays for the current chat session in Peon Ping.

PeonPing/peon-ping

Scaffolds an OpenCode plugin for iPolloWork with the right async factory shape, zod-based tool definitions and hook registration, and explains where to place and register it.

Devin-AXIS/iPolloWork

Installs and verifies the latest stable OpenGUI release in a DeepSeek Harness web profile on macOS without disturbing existing plugins or settings.

Core-Mate/OpenGUI

Builds, installs and troubleshoots trusted local Paseo plugins, from lifecycle hooks and slash commands to screens, themes and timeline renderers.

getpaseo/paseo

Bring an existing codebase into Dryforge, once. An agent skill from prekuter/dryforge.

prekuter/dryforge

Scaffolds, edits, reloads and debugs a canvas extension that the GitHub Copilot CLI can open in its side panel.

github/gh-aw

Argument shapes for the 5 built-in workflow patterns — deep-research, adversarial-review, code-review, multi-perspective, codebase-audit — runnable via the workflow tool's name input, without…

QuintinShaw/pi-dynamic-workflows

Guide for writing Datasette plugins. An agent skill from simonw/research.

simonw/research

Testing CKEditor 5 plugins in the Trilium monorepo. An agent skill from TriliumNext/Trilium.

TriliumNext/Trilium

A skill your agent uses when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security…

gambitph/Stackable

Generate code screenshots via ray.tinte.dev API. An agent skill from Railly/tinte.

Railly/tinte

Guide for creating Claude Code slash commands. An agent skill from greatSumini/cc-system.

greatSumini/cc-system