Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8237entries
★ starsA–Z name

ralph

4
@yoshpy-dev

Claude Code + Codex harness engineering — scaffold opinionated agent harnesses with deterministic hooks, evidence-backed reviews, and Ralph Loop autonomous parallel execution.

updated Jul 2026

jb-task-manager-extension

4
@mandrianova

Task management plugin for JetBrains IDEs with Claude Code integration

updated May 2026

coderunner-skill

4
@danielcregg

Claude skill for generating Moodle CodeRunner programming questions with automated test cases. Java, Python, C/C++, and more. First-of-its-kind — no other CodeRunner generation tool exists. Built by a lecturer for lecturers.

updated Jul 2026

skill-codex

4
@Arystos

Cross-platform Claude Code plugin integrating OpenAI Codex CLI for code review, task delegation, and consultation

updated Jul 2026

contAIned

4
@aiquilibria

A governed coding agent CLI built on Claude Code. Runs inside an isolated Docker container with operator-controlled policy baked into the image, per-tool-call audit logging, and QA gates enforced before every session is accepted.

updated May 2026

ai-skill

4
@1-SKILL

AI 技能发现与能力管理系统 — 中文世界唯一的智能技能导购

updated Jun 2026

claude-code-builder

4
@mryesiller

Visual drag-and-drop builder for designing Claude Code project structures. Build agents, skills, hooks, and MCP servers on a canvas — then export as a ready-to-use ZIP.

updated May 2026

hasbrains-agent-kit

4
@endorphin-ai

The battle-tested Claude Code kit behind HasBrainsAI — agent skills, subagents & slash commands for production multi-agent systems. Install in one command.

updated Jul 2026

biz-fiction

4
@linxumoney

📖 商业叙事写作引擎 — 用写小说的方式写商业故事 | Business narrative fiction skill for Claude Code

updated Jul 2026

kindle-cover-skill

4
@nikmcfly

Claude skill: full-wrap paperback cover PDF for Amazon KDP (front + spine + back)

updated Jun 2026

harness-agent-skill

4
@maorenxin
updated Jun 2026

claude-code-safety-hooks

4
@alexknowshtml

Production-tested safety primitives for Claude Code agents: dangerous command guard + untrusted content defense

updated May 2026

evolve

4
@jiangleo

Autonomous build-evaluate-iterate loop as a Claude Code skill. Inspired by Anthropic's harness design and Karpathy's autoresearch.

updated Jul 2026

claude-workflow-ai-saas

4
@daniyalmalikoo7

Production-ready Claude Code workflow for AI-native SaaS. 28 agents, 7 commands, 6 skills, 7 hooks across 5 SDLC phases with enforced gates. Assembly-first: Shadcn, Clerk, Stripe, Supabase defaults.

updated Apr 2026

ClaudeCode-Alert-Hook

4
@sangwonme

Claude needs you. You need alert.

updated May 2026

claude-ltm

4
@LaserPhaser

Long-term memory plugin for claude (llm-wiki)

updated Apr 2026

claude-dashboard

4
@nphardorworse

A local web dashboard for managing Claude Code's settings, plugins, skills, MCP servers, hooks, profiles, and usage - per-project or globally.

updated Jun 2026

elementor-pro-designer-skill

4
@jainshwetank

Claude AI skill for Elementor Pro visual editor — for designers using the panel, not PHP developers. Class system, Variables Manager, dark mode, responsive patterns.

updated May 2026

cute-claude-hooks

4
@UF-gzj

关镇江原创私有增强版:Claude Code 中文提示、界面汉化与监控状态栏

updated May 2026

harnish

4
@jazz1x

Harness Claude for autonomous implementation — turn every failure into a guardrail and let context persist across sessions and worktrees.

updated May 2026

hydra

4
@Zandereins

Multi-perspective code review council for Claude Code. 3 advisors by default, 10 agents in deep mode (Opus + Codex). Evidence chains, adversarial self-test, dual-path verdict. Based on Karpathy's LLM Council.

updated Jul 2026

claude-code-prompt

4
@mm7894215

Complete reverse-engineered documentation of all Claude Code system prompts, tool prompts, and product architecture with Mermaid diagrams

updated Jul 2026

claude-power-skills

4
@irfad7

20 power-user skills for Claude Code — session management, multi-agent orchestration, adversarial testing, calibrated estimation, decision archaeology, and more. Drop-in SKILL.md files that turn your AI coding agent into a senior engineering partner.

updated May 2026

duckdb-claude-skills

4
@ila

Shared Claude Code skills for DuckDB extension development

updated Jul 2026
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