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

8253entries
★ starsA–Z name

ecoguilt

9
@huiruru

Claude Code plugin that tracks environmental impact of AI coding sessions.

updated Jun 2026

elephant

9
@tonone-ai

Persistent memory for Claude Code. Never forget a session.

updated May 2026

build-managed-agents

9
@YijiaDuan

Claude Code skill for Anthropic Managed Agents — create / run / audit the cloud-hosted agent API end-to-end. 教 Claude 用 Anthropic 托管代理 API 的 skill,覆盖创建/运行/审计全流程。

updated Apr 2026

html2elementor

9
@dudaster

Convert HTML + CSS to Elementor JSON (importable in WordPress). Works as a Claude Code / openclaw skill or standalone Python CLI. Local, no browser, no APIs. Handles AI-generated HTML, Tailwind mockups, static designs, and competitor sites.

updated May 2026

realstars

9
@mercurialsolo

Detect fake GitHub stars using CMU StarScout research. Chrome extension + Claude Code plugin.

updated May 2026

cocos-reverse-engineering-skill

9
@Crain99

Claude Code plugin — reverse engineer Cocos Creator 2.3.x/2.4.x/3.x games

updated May 2026

kc_llm_wiki_starter

9
@KerberosClaw

Production-ready starter template for LLM-maintained wikis. Karpathy's 2026-04 three-tier pattern (raw/wiki/schema) + journal extension + lint hygiene. Clone, feed docs, let the LLM do bookkeeping.

updated Jun 2026

interlinked-cli

9
@QuentinCody

The harness for your harness. Local hooks, taste enforcement, and developer observability for AI coding agents (Claude Code, Codex, Cursor, Copilot CLI).

updated Jun 2026

claude-plugin

9
@Global-Slice

Claude Code plugin marketplace for Slice — cap table, equity, compliance, and MCP integrations.

updated Jun 2026

codex-loop-plugin

9
@Owen718

Claude Code-style recurring loop scheduling for OpenAI Codex.

updated May 2026

advogado-juridico

9
@SimplesficaErp

Plugin Claude Code para escritórios de advocacia — orquestrador inteligente com 17 skills jurídicas, intake estruturado e base DREI completa

updated May 2026

AppGenesisForge

9
@pcliangx

Production-ready AI Agent Team template for Claude Code — 14 specialists, Agile+Scrum+TDD enforced via skill/hook/DoD 3-layer (not wiki), PRD→UAT 6 stage gates, 4-layer hook defense, multi-LLM (DeepSeek/Doubao/Qwen/MiniMax), WeChat Mini Program, trilingual README (中文/EN/日本語). Ship a feature overnight.

updated May 2026

cc-manager

9
@vamshisuram

Local web UI to inspect Claude Code plugins, agents, hooks, MCP servers, and settings.

updated May 2026

lazychat-erpnext

9
@soumyasethy

LazyChat — an AI assistant docked inside your ERPNext desk. Chat with your data, draft reports, stage edits (Apply-gated). Bring your own LLM: any OpenAI-compatible or Anthropic key, stays in your browser. Also ships an MCP server (101 permission-scoped tools).

updated Jun 2026

next-level-outreach

9
@henriquecaner

Plugin para Claude Code com 40 skills de outbound B2B + briefing canônico que persiste entre sessões. Tunado para lemlist, agnóstico em fundo.

updated May 2026

sigil

9
@Ju571nK

Fleet AI Security Posture Management (AI-SPM): client agents on each developer machine score their AI coding agents' guard surfaces (Claude Code, Cursor, Codex, Gemini CLI — permissions, hooks, sandboxes, mcp.json) and ship hash-anchored events to a central server + your SIEM. Fleet-wide posture; measures, doesn't block. Rust.

updated Jun 2026

agent-goal-skill

9
@Dallionking

Claude Code skill that shapes rough goal descriptions into polished /goal prompts for Codex, Claude Code, Droid, Auggie, and any CLI agent. The 5-block contract: Goal / Context / Constraints / Done when / On block. MIT.

updated May 2026

gemini-skill

9
@pcx-wave

Claude Code skill — delegate coding tasks to Gemini CLI and supervise via git diff

updated May 2026

ReqForge

9
@zxpmail

ReqForge — From requirements to shippable products. Open-source Agent Harness for Claude Code, Cursor & OpenCode. Spec→Plan→Build, hooks, review. /change-manager for brownfield.

updated Jun 2026

chrome-extension-prospector

9
@AKCodez

A Claude Code skill: find free Chrome extensions in a niche, pull dev emails, lowball acquisition offers, auto-send via Gmail.

updated May 2026

build-a-skill

9
@egalano

Interactive Skill that walks you through Anthropic's "Complete Guide to Building Skills for Claude" — ship a working SKILL.md in ~20 min.

updated May 2026

saasoned

9
@williancesar

SaaSoned — seasoned Claude Code skills for builders. Growth & go-to-market toolkit plugin marketplace.

updated Jun 2026

avoid-ai-design

9
@funboy322

A Claude Code skill that audits AI-generated frontend and rewrites it to remove generic AI-slop design patterns (purple gradients, Inter, default shadcn). The design counterpart to avoid-ai-writing.

updated Jun 2026

seedance-prompts-skill

9
@mantoufan

专业的 Seedance 2.0 AI 视频脚本与分镜提示词生成 Claude Skill:把文章/故事转为标准剧本、资产提示词与分镜,含 10 条铁律 + 17 个模板,同步火山引擎官方指南。 | Professional Seedance 2.0 AI video script & storyboard prompt-generator Claude Skill: turn articles/stories into screenplays, asset prompts & storyboards — 10 iron rules + 17 templates, synced with the official Volcengine guide.

updated Jun 2026
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