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

cc-plus

4
@code-yeongyu

Essential Claude Code features that should exist but don't - productivity-enhancing plugins for session management, hooks, and workflow automation

updated May 2026

Claude-code-infrastructure-showcase

4
@weirdgme

Examples of my Claude Code infrastructure with skill auto-activation, hooks, and agents

updated Feb 2026

CCP2GCE

4
@LostAbaddon

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

updated May 2026

claud-skills

4
@bloody2634

🚀 Build and utilize production-ready Claude Code agents and skills for enhanced productivity with auto-generated documentation.

updated Jun 2026

llm-filesystem-tools

4
@dansasser

Python filesystem tools for AI models and LLMs. Secure directory access, file reading, grep search for Ollama, OpenAI, Anthropic Claude. Built-in path validation and security policies. Framework-agnostic function calling tools. Ideal for AI coding assistants and automated code analysis.

updated May 2026

claude-plugins

4
@notorious-ai

Extend Claude Code with custom commands, agents, hooks, Skills, and MCP servers through the plugin system.

updated May 2026

worldbuilding-app-skills

4
@hopeoverture

Claude Code skills for worldbuilding application development using official Anthropic best practices

updated May 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

slashagents

4
@Autopsias

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

updated Jan 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 Feb 2026

adb-android-control

4
@hah23255

Comprehensive Android device control via ADB — typed Python package + CLI + Claude Code skill. Master Tester Doctrine governed (338 tests, 1.59:1 ratio).

updated May 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

infinite-claude-code-session

4
@mohsen1

Use the Stop hook to tell Claude Code not to stop!

updated Jan 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

travel-mcp-server

4
@tanayshah11

MCP server for AI-powered travel search — flights, hotels, weather as MCP tools with MongoDB-backed per-tool TTL caching tuned to each upstream API. Architecture: tanayshah.dev/projects/travel-mcp-server

updated May 2026

tailgrid

4
@ferreirafabio

A minimal Python tool to monitor multiple log files simultaneously in a single terminal window via tail. With Claude Code integration to automatically discover relevant log files from your recent experiments.

updated Jan 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

skill-manager

4
@landn172

Skill Manager. All your AI Agent skills in one place. 🧠 The ultimate management dashboard for Anthropic, Claude, and beyond. Fast. Secure. Open Source.

updated Apr 2026

guardrails

4
@thkt

Code quality checker for Claude Code PreToolCall hook (biome + custom rules)

updated Jun 2026

claude-lens

4
@radumardale

TUI for managing Claude Code plugins, MCP servers, agents, skills, and commands

updated May 2026

sub-agents-skills

4
@blindlove200

🤖 Define and execute task-specific AI agents in markdown across various platforms with the Sub-Agents Skills for seamless integration and portability.

updated Jun 2026
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