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-lego-flag-hook

10
@natzir

Lego mailbox with a servo-driven flag that goes up when Claude Code finishes responding and down when you send a new prompt. Driven by Claude Code hooks.

updated Apr 2026

aweek

10
@runbear-io

Claude Code plugin for managing multiple AI agents on scheduled weekly plans.

updated May 2026

mcp-unity

10
@st-VALVe

Model Context Protocol (MCP) plugin to connect with Unity Editor — designed for Cursor, Claude Code, Codex, Windsurf and other IDEs

updated May 2026

second-brain-for-claude

10
@bright-interaction

Karpathy-style wiki + graphify knowledge graph + Claude Code hooks. Self-deploying: clone it, tell Claude to set it up, done.

updated May 2026

delx-wellness-hermes

10
@davidmosiah

Turn Hermes into a local-first wellness agent with guided setup, onboarding, wellness skills and MCP connector presets.

updated Jun 2026

Diagrammer

10
@IdraDev

📐 A minimal viewer for LLM-authored diagrams. Local-first, schema-driven, no account, no cloud.

updated May 2026

claude-skill-html-to-pptx

10
@Hasasasa

Claude Code skill: convert HTML slide decks to editable .pptx. Unlike most converters that flatten each page into one image, this keeps text as native PowerPoint textboxes; only gradients / shadows / filters fall back to local snapshots.

updated May 2026

lazyclaudecode

10
@code-yeongyu

omo for Claude Code — native Claude Code plugin marketplace (Sisyphus Labs / omo): rules, comment-checker, LSP, ultrawork, ultragoal, start-work continuation, telemetry + bundled ast-grep & LSP MCP servers.

updated Jun 2026

CoFlu

9
@Inc44

CoFlu is a powerful text manipulation, generation, and comparison tool. It's designed for tasks like proofreading, editing, content creation, version control, and ensuring text consistency. CoFlu offers unique capabilities, including AI-powered text generation, audio transcription, and unprecedented layout-preserving .docx translation using LLMs.

updated Apr 2026

GhAIdra

9
@APiTJLillo

AI assisted tools for Ghidra. Azure OpenAI, DeepSeek, Anthropic Claude, Ollama.

updated Mar 2026

ccost

9
@carlosarraes

Accurate Claude API usage tracking and cost analysis tool. Features intelligent deduplication, multi-currency support, real-time monitoring, and comprehensive project analysis.

updated May 2026

claude_project_template

9
@MacroMan5

🤖 Professional Claude Code project template with MCP tools, hooks system, and productivity features

updated Apr 2026

claude-code-voice

9
@channprj

Let's get voice feedback with claude code hooks

updated May 2026

claude-code-usage

9
@evanlong-me

📊 CLI tool to track Claude Code usage, costs & token consumption. Analyze your AI coding assistant spending locally.

updated May 2026

claude-code-agents

9
@bwads001

🤖 Multi-agent orchestration system for Claude Code featuring specialized agents, workflow modes, automated quality gates, and comprehensive development tooling

updated Oct 2025

image-gen

9
@shipdeckai

AI-powered image generation CLI and Claude Code plugin with multi-provider support

updated Mar 2026

claudekit

9
@elct9620

A collection of plugins for Claude Code used by Aotokitsuruya.

updated Jun 2026

claude-code-plugins

9
@pleaseai
updated Jun 2026

open-plugins

9
@dhofheinz

OpenPlugins is a AI-curated marketplace of high-quality, open-source plugins for Claude Code. Our mission is to foster a vibrant ecosystem of productivity tools, development utilities, and specialized agents that extend Claude Code's capabilities.

updated May 2026

SkillsforAudit

9
@GenAICPA

AI-assisted financial audit workflows using Claude Skills

updated May 2026

skills-mcp

9
@tsoernes

MCP server for Anthropic Claude skills

updated Apr 2026

claude-editor-hook

9
@alosec

Command palette for Claude Code via Ctrl-G hook. Spawn parallel Claude instances, stream logs, run tools - anything executable with clean return paths.

updated Mar 2026

awesome-claude-code-plugins

9
@xbim08

⚙️ Explore a curated collection of plugins for Claude Code, enhancing your workflow with commands, subagents, servers, and automation hooks.

updated Jun 2026

memory-store-plugin

9
@julep-ai

Intelligent development tracking and context management plugin for Claude Code using memory store

updated May 2026
← PREV01...180181182183184...344NEXT →