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

8241entries
★ starsA–Z name

claude-code-new-features-early-2026

20
@coleam00

Demo project showcasing new Claude Code features from early 2026 including custom agents, skills, hooks, and sub-agents

updated May 2026

prompt-intercept-pattern

20
@kylesnowschwartz

Claude Code plugin pattern: hook-intercepted commands that run code without an API call

updated Apr 2026

flywheel

20
@romanticamaj

Zero-cost session handoffs for long-running AI coding agents. Claude Code plugin.

updated Jul 2026

planet-maiko

20
@bkawa-io

A local dev tool where your agents are weird alien dogs. Would you let them in?

updated Jun 2026

claude-code-blog-builder

20
@shdsjh123-cpu

Claude Code plugin for AI-assisted blog content creation ? 4 subagents, /setup interview, keyword banks, sanitize gate.

updated Jul 2026

claude-ops

20
@Lifecycle-Innovations-Limited

Business operating system for Claude Code — 57 skills, 21 agents, smart daemon. Unified inbox (WhatsApp/Email/Slack/Telegram), autonomous PR merge, full-AWS monitoring, revenue (Stripe+RevenueCat), e-commerce (Shopify), marketing (Klaviyo/Meta/GA4), voice (Bland/ElevenLabs), APM (Datadog/NewRelic/OTEL), YOLO mode.

updated Jul 2026

llm-obsidian-wiki

20
@ignromanov

Claude Code plugin for building persistent, compounding knowledge bases in Obsidian. Inspired by Karpathy's LLM Wiki pattern.

updated Jul 2026

para-knowledge-base

20
@ernestolee13

LLM Knowledge Base for PARA-structured Obsidian vaults — Karpathy's llm-wiki pattern as a Claude Code plugin

updated Jul 2026

cc-blackbox

20
@softcane

A stop-loss for Claude Code: detects loops, compaction danger, failed tools, and token waste before the next request.

updated Jul 2026

plugins

20
@yegor256

Claude Code marketplace of small, opinionated plugins by yegor256

updated Jun 2026

cca-f-exam-prep

20
@abiodedeyi

Claude Code skill for preparing for the Anthropic CCA-F (Claude Certified Architect - Foundations) exam. Includes spaced-repetition, the Explain/Feynman/Quiz/Notes method, and a 19-pattern distractor library.

updated Jul 2026

video-highlight-skill

20
@inhai-wiki

AI video highlight skill for agents: analyze videos, cut clips with FFmpeg, export subtitles, and generate a shareable recap page.

updated Jul 2026

paper-writing-workflow-plugin

20
@csgf9k6s79-byte

Modular 8-stage academic paper writing workflow for Claude Code

updated Jul 2026

findash

20
@ya5huk

An Israeli Claude Finance Plugin

updated Jul 2026

ruledoctor

20
@syf2211

Agent Skill: read CLAUDE.md & project rules before coding. Optional CLI audit + hooks. Claude/Codex/Cursor.

updated Jun 2026

ponystack

20
@AyanbekDos

Think expensive, write cheap. A Claude Code plugin that marries gstack's process with ponytail's lazy-senior restraint via an always-on phase router.

updated Jul 2026

work-canvas-skill

20
@JingbiaoMei

Turn an agent's work: progress, reviews, research, comparisons into a single self-contained, reviewable HTML page (a work canvas). An Agent skill.

updated Jul 2026

parable

20
@SamBWarren

A pseudo-Fable mode for Claude Opus — Fable-style planning, verification, and multi-agent discipline as a Claude Code skill set. Unofficial; not affiliated with Anthropic.

updated Jul 2026

robota

19
@woojubb

TypeScript framework for building AI agents — multi-provider (Anthropic, OpenAI, Google), tool calling, permissions, hooks, streaming, and CLI coding assistant

updated Jul 2026

claudecode-rule2hook

19
@astrodragonv

Transform natural language project rules into Claude Code hooks effortlessly with claudecode-rule2hook. Automate your workflows with ease! 🚀🪝

updated Jul 2026

awesome-chatgpt-claude-agents

19
@milisp

A curated collection of awesome ChatGPT & Claude agents, subagents, and AI-powered development tools

updated Jul 2026

claude-faf-mcp

19
@Wolfe-Jam

Persistent Project Context for Claude — IANA-registered .faf format · 32 tools + 1 prompt · MCP Registry #2759

updated Jul 2026

agent-harness

19
@evalops

Unified harness for hot-swapping between OpenAI Agents SDK and Anthropic Claude Agent SDK with shared tool registry

updated Jul 2026

xdg-claude

19
@xdg

Plugins for Claude Code

updated Jul 2026
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