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

claude-code-patchkit

4
@huybuidac

Community binary patches for Claude Code CLI — unlock hard-coded limitations via Agent Skills

updated May 2026

flutter-dev-agents

4
@michal-giza

The first MCP server for autonomous Flutter testing on real iPhones and Android devices. 110 tools across Android (uiautomator2+adb), iOS (WebDriverAgent+pymobiledevice3), Flutter (Patrol + flutter run --machine). Works with Claude Desktop, Claude Code, Cursor.

updated Jun 2026

lacuna-toolkit

4
@JOYLINK-LTD

Open-source SDK, CLI, MCP server, and Agent Skill for the Lacuna Music API — generate AI music from any Node runtime, shell, or AI agent.

updated May 2026

awesome-ai-devtools

4
@yeaight7

The open-source map of the AI developer tooling ecosystem

updated May 2026

claude-code-skills

4
@jkm-4314

Opinionated Claude Code skills for project bootstrap, persistent session memory, and multi-model code review (Claude + Codex).

updated May 2026

wcag-accessibility-agent

4
@albertomf1979

WCAG 2.1 accessibility agent built on Anthropic API. Audits, evaluates and fixes digital products for UX, UI and development teams. Includes an installable Skill for Claude.ai and a full CLI with PDF/DOCX export.

updated May 2026

ccinv

4
@Sianmin

Inventory dashboard for Claude Code — commands, skills, agents, hooks, MCP, plugins across user/project/local scopes. Zero LLM, zero servers.

updated May 2026

claude-code-fancy-html-hook

4
@uehaj

Claude Code hook that auto-converts Markdown to fancy infographic HTML on Write/Edit (with confirmation dialog)

updated May 2026

ClaudePulse

4
@yiii627

Claude Code Windows Toast Notifications — lightweight, elegant, and seamlessly integrated with Hooks. Claude Code 的 Windows Toast 通知/提醒工具 —— 轻量、优雅、无缝集成 Hooks。

updated May 2026

claude-adam

4
@lukaszraczylo

ADAM — self-improvement layer for Claude Code. Observes session friction (corrections, retry loops, dead-ends, error loops, edit churn) via lightweight hooks and proposes targeted skills, memory entries, and agent edits. Auto-applies low-blast changes with cross-session evidence; queues everything else for review.

updated Jun 2026

claude-to-agy

4
@rauls-kjarners

A lightweight MCP bridge that lets Claude Code delegate heavy tasks to the Antigravity CLI - saving context window and tokens for what matters.

updated May 2026

gcc-market-intelligence

4
@ilingin

Open Claude Skill for B2B/B2G founders entering the GCC — Saudi, UAE, Qatar, Bahrain, Kuwait, Oman. Families, sovereign funds, soft-landing, procurement, localization.

updated May 2026

janitor

4
@doramirdor

Sweep your ~/.claude/skills graveyard. Scans installed skills, MCP servers, and sub-agents, cross-references session logs, and shows what's actually used.

updated May 2026

skills

4
@fusedio

Fused skills and plugins for AIs like Claude

updated Jun 2026

publishing-skills

4
@AutomateLab-tech

Three composable Claude skills for end-to-end long-tail SEO blog publishing on Ghost CMS: topic research, draft & publish, SVG figure generation.

updated May 2026

claude-scaffolder

4
@windagency

Nx-orchestrated fullstack monorepo: Astro + TanStack Start (web), NestJS + tRPC + Zod (API), Drizzle + Postgres (database). Fully integrated with Claude Code: custom agents, slash commands, hooks, and iterative Ralph loops are all pre-configured.

updated May 2026

instagram-mcp

4
@AleemHaider

MCP server for the Instagram Graph API — 24 tools for posting, comments, DMs, and insights.

updated May 2026

claude-code-handbook-ru

4
@sfrangulov

Курируемый handbook по Claude Code на русском: hooks, skills, CLAUDE.md шаблоны, MCP-серверы, кейсы.

updated Jun 2026

api-model-spy

4
@dabaibian

🔍 Detect API model dilution and fingerprint which LLM is actually running behind any OpenAI-compatible or Anthropic endpoint

updated May 2026

polis-protocol

4
@yehudalevy-collab

Markdown protocol for multi-vendor AI agent teams — capability cards, bandit routing, and lessons that compound.

updated Jun 2026

cc-audit

4
@rivia7

A Claude Code skill that audits a repository against Anthropic's Claude Code engineering best practices and writes a scored, read-only compliance report.

updated May 2026

agent-skills

4
@Flagrare

16 Claude Code skills wrapping the full dev cycle — ticket intake, ATDD planning, codebase-grounded ticket creation, six-axis PR review, doc-drift audits, and patch-note-style changelogs.

updated May 2026

astock-quant-analyzer

4
@laozdao

A股个股量化分析 Skill - 双引擎四层融合模型,一句话触发,3分钟输出专业级投资分析报告 | A-Share stock quant analysis Skill with dual-engine four-layer fusion model

updated May 2026

seedance-2.0-superprompt

4
@scotti1i

Seedance 2.0 Superprompt — Claude Code skill that writes, audits, and auto-fixes ByteDance Seedance 2.0 video-generation prompts. Three modes: WRITE / LINT / FIX. Output pastes into any client (即梦 / CapCut / Volcengine / BytePlus). Zero CLI dependency.

updated May 2026
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