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

8250entries
★ starsA–Z name

quiver-mcp

3
@syntropicsignal-ai

MCP server for QuiverAI — generate and vectorize SVGs via Claude and other AI tools

updated May 2026

automotive-syseng

3
@duonghvu

AI-powered automotive systems engineering skill: INCOSE/EARS requirements analysis, MISRA-C compliance, SAE J3016 ADAS levels, ISO 26262 ASIL, AUTOSAR, SOTIF. Works with Claude Code, ChatGPT Custom GPTs, Cursor, and any AI tool.

updated Apr 2026

galmuri

3
@jazz1x

갈무리 — the Korean art of putting things away properly. A Claude Code plugin that gathers scattered thoughts into something you'd want to keep.

updated May 2026

claude-tv-notify

3
@OzlevyQ

Claude Code Stop hook → Android TV (TvOverlay) notifications with a Hebrew one-line summary of each reply

updated Apr 2026

sn-toolkit

3
@chrisp28103

ServiceNow dev kit for Claude Code: Agent API wrapper, session hooks, slash commands, explorer + reviewer agents, official-docs lookup skill.

updated Jun 2026

token-diet

3
@VDADev2022

Advanced token reduction and prompt optimization framework for LLMs, featuring linguistic, algorithmic, and architectural patterns.

updated May 2026

vibeharness

3
@jeanlag1

Hackable, interactive LLM agent harness for the terminal — streaming REPL, tool-using agent loop, persistent PTY shells, sub-agents, planning, hooks, prompt caching, rate-limit-aware retry, mid-turn-checkpointed sessions. Anthropic + OpenAI.

updated May 2026

3d-html-slide-skill

3
@yoshifujidesign

3DワイヤーフレームデザインのHTMLプレゼンスライドを生成するClaude Skill。Three.js × 横スクロール × テーマカラー自動切替

updated May 2026

ai-fluency-skill

3
@venticlaw

A Claude Code skill that applies Anthropic's 4D AI Fluency Framework (Delegation, Description, Discernment, Diligence) to produce sharper, more trustworthy outputs.

updated May 2026

diting-skill

3
@EricArcha

谛听:虚构角色蒸馏Skill | Diting: Fictional Character Distillation

updated May 2026

xiayiren

3
@zhangtianruiwork-droid

前任skill做了一件很残忍又很浪漫的事:把前任的聊天记录、说话习惯、语气词全部喂给 AI,让它扮演那个人继续陪着你。「下一任」则是这个故事的另一面。

updated May 2026

writing-good-skills-course

3
@ssakhavi

A research-grounded course on writing high-quality Claude Code skills — 9 modules, 14 universal patterns, deployable assess-skill and write-skill, and a terminal reader. Based on analysis of 8 production repos and 6 peer-reviewed papers.

updated May 2026

claude-memex

3
@anthril

A Claude Code plugin that turns any project's docs into a persistent, compounding, LLM-maintained knowledge base — with hook-enforced discipline at tool-call time. Inspired by Andrej Karpathy's llm-wiki.md gist.

updated May 2026

claude-search-conversations

3
@Lohomi15

Skill to search your past Claude Code conversations by keyword and jump back in.

updated Apr 2026

Anonymization-Claude-Webhook

3
@maxxki

Der MAXXKI Pseudonicer schaltet sich als Hook vor jede Anfrage in Claude Code und ersetzt erkannte persönliche Daten automatisch durch Platzhalter – bevor irgendetwas das lokale System verlässt.

updated May 2026

agent-bridge

3
@ytj0604

Local tmux-based bridge that lets Claude Code and Codex agents talk to each other in parallel — send requests, broadcast, view peer screens, with hook-driven turn boundaries and a queued message bus.

updated May 2026

claude-code-build-kit

3
@obatried

Opinionated build workflow for Claude Code: /build orchestrator, discipline hooks, philosophy CLAUDE.md, handoff cooperator.

updated May 2026

claude-fitness-break

3
@miraculix95

30-second physical micro-break suggestion for Claude Code — rule file, snippet, or hook.

updated May 2026

awesome-claude-hooks

3
@MohamedAbdallah-14

Production-ready Claude Code hooks: security guards, quality gates, automation, context injection, and starter packs. Tested, auditable, copy-paste installable.

updated May 2026

Cosearch

3
@dkfmaekdnjfk

Research project scaffold: Obsidian vault + Claude Code skills/hooks for session logging, deep research integration, and knowledge management.

updated May 2026

ai-content-skills

3
@cool111111

AI 内容运营 Skill 全家桶 — 公众号长文 + 小红书短图文 + 达人发现,让 AI Agent 真正能产出能用的内容

updated May 2026

abaqus-ml-skills

3
@Haibarakiku

Claude Code agent skills bridging Abaqus FEA and ML surrogates: LHS batch dataset generation + ODB to ML-ready grid CSVs.

updated May 2026

korean-certified-mail

3
@kimlawtech

한국 내용증명 자동 작성 Claude Code 스킬 — 14개 유형 지원, 법원 제출 기준 DOCX 출력, 법령 환각 방지, MCP 개인정보 보호

updated May 2026

nonna

3
@kekko-damato

Italian grandma reviewing your code. Tells you the truth because she loves you.

updated May 2026
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