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

RetinaTag

3
@LeVarP

RetinaTag — Web-based OCT B-Scan labeling tool for retinal image analysis. Keyboard-first interface for efficient annotation of optical coherence tomography scans as healthy/unhealthy. Built with FastAPI, React/TypeScript, and SQLite. All code was generated automatically using Claude Code (Anthropic).

updated Jul 2026

ccpkg

3
@zircote-plugins

Open packaging format for AI coding assistant extensions -- one archive installs skills, agents, MCP servers, and hooks across any compatible tool.

updated Jul 2026

claude-auto-approve

3
@tonimelisma

A Claude Code hook that uses an LLM-as-a-judge to automatically classify safety for commands and web sites

updated Jul 2026

pre-flight

3
@Abeansits

Claude Code hook that auto-reviews plans with Codex before you approve them

updated Apr 2026

claude-code-wc3-sounds

3
@gizmax

WC3 Sound Pack for Claude Code hooks (macOS + Linux)

updated Mar 2026

hardened-claude-code

3
@Dokkabei97

Battle-tested Claude Code commands, hooks, and skills forged from real-world enterprise operations. Built around hard-won expertise in high-traffic, large-scale data streaming environments — not another beginner-friendly productivity wrapper.

updated Jun 2026

claude_cli

3
@GradScalerTeam

Learn and master Claude Code CLI — workflows, agents, skills, hooks, plugins, and practical guides

updated Jul 2026

the-council

3
@DantesPeak85

Multi-model advisory board for Claude Code — get second opinions from Codex and Gemini

updated Jul 2026

mdkb

3
@sstraus

Give your AI coding assistant a memory and a search engine. Hybrid BM25 + semantic search, tree-sitter code intelligence for 13 languages, persistent memory with confidence decay. Integrates with Claude Code and Codex via CLI, lifecycle hooks, and MCP. Fully local, zero cloud APIs.

updated Jul 2026

curtis-bot

3
@Chordlini

Curtis Bot — Claude Code + OpenClaw bridge for Linux and macOS. Use your existing Claude Code CLI subscription (Max/Pro) as a full AI agent you can text from Telegram. No extra API keys. Phone-to-code, cron monitoring, 50+ skills, multi-agent orchestration, LocalSend file transfers, Git from your pocket.

updated Apr 2026

smb-sales-boost-skill

3
@Tomsonx232

Claude skill for B2B lead generation — search, filter & export newly registered US small to medium sized businesses via SMB Sales Boost API. Built for cold outreach, GTM, and sales prospecting agents.

updated Jul 2026

bastion-mcp-server

3
@bastionfintech-spec

Risk Intelligence MCP Server for Crypto Agents | 52 tools, 560+ signals, 72B AI model

updated May 2026

swiftui-expert-skill

3
@SwiftyJourney

Write, review and improve SwiftUI: state, composition, performance, animations, accessibility and iOS 26 Liquid Glass - Agent Skill

updated Jun 2026

ecc-memory-lite

3
@codebucket2021

Lightweight cross-session memory system for Claude Code. 4 hooks + 2 commands, zero dependencies.

updated Mar 2026

session-cleanup-skill

3
@wrsmith108
updated Jul 2026

claude-notifier

3
@felipeelias

Notification dispatcher for Claude Code hooks

updated Jul 2026

kirby

3
@neosun100

Autonomous AI agent loop for Kiro CLI — iteratively implements PRD stories until complete. Based on the Ralph pattern, redesigned for Kiro with native Custom Agent, Hooks, and Steering integration. Also supports Amp and Claude Code.

updated Mar 2026

claude-skills

3
@zacklecon

⚙️ Build and deploy 66 versatile Claude AI skills and 9 workflows designed to enhance productivity for full-stack developers.

updated Jul 2026

swiz

3
@mherod

Cross-agent hook manager for AI coding assistants — installs and orchestrates lifecycle hooks across Claude Code, Cursor, and Gemini from a single manifest.

updated Jul 2026

gia-mcp-server

3
@knowledgepa3

MCP server for GIA Governance — runtime governance for AI agents. 33+ tools. Free starter key → gia.aceadvising.com/get-api-key

updated Jul 2026

awesome-anthropic

3
@Omrigotlieb

A curated, daily-updated list of awesome resources, tools, SDKs, papers, and projects for Anthropic & Claude AI

updated Jun 2026

agentic-config

3
@gavinmcfall

Opinionated Claude Code configuration with skills, hooks, rules, and settings for productive agentic workflows

updated Jul 2026

sigrok-skill

3
@jguy

Claude Code skill for sigrok-compatible logic analyzers

updated Jul 2026

IDE-Adapter

3
@godstale

IDEA (Integrated Development Environment Adapter) is a VS Code extension that exposes IDE features — such as those in VS Code, Cursor, and Antigravity — to CLI-based tools like Claude CLI.

updated Mar 2026
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