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

8281entries
★ starsA–Z name

CCP2GCE

★ 4
@LostAbaddon

将 Claude Code Plugin “翻译”为 Gemini CLI Extension 的“AI 方言翻译器”

updated May 2026

claude-kanban

★ 4
@alessiocol

A lightweight workflow system for Claude Code with hook-based enforcement, session state preservation, and deterministic task coordination.

updated Aug 2026

claude-devops-agent

★ 4
@olushile

Comprehensive guide and tools for using Claude AI as an intelligent DevOps automation agent for CI/CD, Infrastructure as Code, Monitoring, and Cloud Management

updated Jun 2026

blackdot

★ 4
@blackwell-systems

Modular development framework with multi-vault secrets, Claude Code integration, extensible hooks, and health checks.

updated Apr 2026

CognivAgent

★ 4
@costiash

Reference implementation of an AI Agent using Claude Agent SDK. Transforms videos into knowledge graphs via MCP tools: transcription, entity extraction, graph building, natural language querying.

updated Mar 2026

mcp-obsidian-tools

★ 4
@dp-veritas

A Model Context Protocol (MCP) server that allows MCP clients (Cursor, VSCode, Claude Desktop, etc.) to read and search any directory containing Markdown notes, such as an Obsidian vault. This server exposes a rich, read-only toolkit of obsidian_-prefixed MCP tools for working with vault metadata (tags, links, frontmatter), filenames, and more

updated Mar 2026

self-awareness

★ 4
@mukilankarthik

Two Claude Skills for behavioral calibration: self-awareness (conversation) and engineering-discipline (coding/data). Reduce hallucination, verbosity, scope creep, and silent data bugs in Claude Code.

updated Sep 2026

claude-code-plugin-marketplace

★ 4
@jimmc414

Community Claude Code plugin marketplace - skills, agents, commands, and hooks for extending Claude Code. Import/export tools included.

updated Oct 2026

slashagents

★ 4
@Autopsias

53 battle-tested Claude Code extensions (16 commands, 35 agents, 2 skills) to help developers stay in flow

updated Jan 2026

tool-gates

★ 4
@camjac251

Intelligent tool permission gate & security hooks for AI assistants (Claude Code, Codex, Antigravity; Gemini deprecated). Features AST shell gating, file guards, and safety scanners.

updated Aug 2026

claude_project_chat

★ 4
@SEMalytics

Test Claude Projects without copy-pasting. Local workbench for prompt engineering, agent testing, and workflow iteration. Direct Claude.ai access via cookie auth, 20+ prompt templates, web fetch/search tools, file uploads. Stop switching tabs to test your prompts.

updated Jul 2026

cc-plugins

★ 4
@lovstudio

Official Lovstudio plugin collection for Claude Code — Skills, Hooks, Commands

updated Aug 2026

obsidian-project-assistant

★ 4
@ali5ter

📓 Claude Code skill and agent for automatic project documentation in Obsidian

updated Jul 2026

agentkit-vscode

★ 4
@patricio0312rev

VSCode extension for a visual interface to manage and install 42+ AI agents for Claude Code, Cursor, GitHub Copilot, and more. Setup AI agents with a beautiful GUI

updated Oct 2026

build-your-own-coding-agent

★ 4
@maddygoround

Build your own AI coding agent from scratch. Learning the patterns behind Cursor, Aider, and Cline. Tool use, agentic loops, context management, and more.

updated Jun 2026

claude-code-chrome-extension

★ 4
@ly0

An open-source version of claude chrome extension.

updated May 2026

go-lsp

★ 4
@zircote

Claude Code plugin for Go development with gopls LSP, gofmt, and golangci-lint hooks

updated Oct 2026

fellow

★ 4
@jingnanzhou

Enrich Claude Code requests to prevent architectural drift and enforce codebase consistency. Claude Code plugin that works in both the CLI and VS Code extension.

updated Jan 2026

claude-corps

★ 4
@josephneumann

Production workflow framework for Claude Code — multi-agent orchestration, parallel worktrees, autonomous task execution, and compound engineering skills

updated Jun 2026

codepause-extension

★ 4
@codepause-dev

VS Code extension to track AI coding assistant usage and maintain code quality. Works with Copilot, Cursor, Claude Code & more. 100% private, local data.

updated Sep 2026

claude-code-hooks-daemon

★ 4
@Edmonds-Commerce-Limited

Daemon-based hooks system for Claude Code with lazy startup, auto-shutdown, and project-level handler extensibility

updated Oct 2026

agent-skills

★ 4
@taipt1504

Claude Code plugin for Java Spring backend — 21 skills, 9 agents, 17 hooks, TDD workflow enforcement. Hook-bootstrapped harness with skill auto-routing, verify/fix loops, multi-agent spawning, and session memory.

updated Sep 2026

AI-Text-Tools

★ 4
@AILiteracyLab

AI-powered text transformation for Windows. Select text anywhere, press a hotkey, and transform it using OpenAI, Anthropic Claude, Google Gemini, or local Ollama models.

updated Sep 2026

claude-skill-factory

★ 4
@shivamd1810

Create, validate, and distribute Claude Code skills following Anthropic's best practices and the agentskills.io standard

updated Mar 2026
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