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

mcp-server-text-editor

36
@bhouston

An open source implementation of the Claude built-in text editor tool

updated May 2026

aps-aecdm-mcp-dotnet

36
@autodesk-platform-services

.NET MCP Server to connect with Claude Desktop and AEC Data Model API

updated May 2026

MistTrackMCP

36
@slowmist

The MistTrack MCP server allows Claude AI to directly access blockchain data provided by the MistTrack API, offering address analysis, risk assessment, transaction tracking, and fund flow visualization capabilities, with support for multi-layer recursive transaction analysis.

updated May 2026

imap-mcp-server

36
@nikolausm

A powerful Model Context Protocol (MCP) server for IMAP email integration with Claude

updated Jun 2026

claude_hooks

36
@gabriel-dehan

A Ruby DSL for creating Claude Code hooks

updated Jun 2026

obsidian-claude-code

36
@Wirasm

onsidian plugin for claude code

updated May 2026

cortexgraph

36
@prefrontal-systems

Temporal memory system for AI assistants with human-like forgetting curves. All data stored locally in human-readable formats: JSONL for short-term memory, Markdown (Obsidian-compatible) for long-term. Memories naturally decay unless reinforced. Features knowledge graphs, smart prompting, and MCP server integration for Claude.

updated May 2026

marketplace

36
@dotclaude

DotClaude Plugin Marketplace - Revolutionary AI interaction platform for Claude Code

updated May 2026

claude-code-permissions-hook

36
@kornysietsma

A PreToolUse hook for Claude Code for more granular permission controls

updated Apr 2026

zsh-claudecode-completion

36
@wbingli

Minimal zsh completion plugin for Claude Code CLI

updated Jun 2026

mcp-server

36
@contextstream

Persistent memory and cross-session learning for AI coding assistants. Cloud-based context management via MCP.

updated May 2026

midnight-mcp

36
@Olanetsoft

Midnight MCP server giving AI assistants access to Midnight blockchain — search contracts, analyze code, explore docs

updated May 2026

Divi5-ToolKit

36
@cjsimon2

The first Claude Code plugin for Divi 5 development. CSS generation, compatibility validation, error learning, and self-updating knowledge base — powered by Claude, not GPT-3.5.

updated Jun 2026

AskUserQuestionPlus

36
@JoJoJotarou

A MCP server (Streamable HTTP) for asking user questions via a web interface, inspired by the Claude Code AskUserQuestion Tool.

updated May 2026

oh-my-claude

36
@2lab-ai

Claude Code plugin for AI-powered iterative development loops. Inspired by oh-my-opencode, ralph loop.

updated May 2026

agent-skills

36
@youdotcom-oss

Agent Skills for integrating You.com capabilities into agentic workflows and AI development tools - guided integrations for Claude, OpenAI, Vercel AI SDK, and Teams.ai

updated May 2026

zellij-attention

36
@KiryuuLight

Zellij plugin that adds notification icons to tab names when panes need attention. Designed for Claude Code.

updated Jun 2026

codesearch

36
@flupkede

Multi-repo semantic code search MCP server in Rust — hybrid vector + BM25 retrieval, tree-sitter AST chunking, fully offline. For OpenCode, Claude Code, Cursor, and any MCP client.

updated Jun 2026

harmony-claude-code

36
@codelably

完整的 Claude Code 配置集合(agents, skills, hooks, commands, rules, MCPs)。源自 Anthropic 黑客松获胜者的实战配置,助力中文工程师高效理解与使用 Claude Code。

updated May 2026

vskill

36
@anton-abyzov

Secure multi-platform AI skill installer — scan before you install. 49 agents, 12 plugins, 41 expert skills.

updated Jun 2026

swing-skills

36
@TheStack-ai

Open-source Claude Code skills — 6 cognitive firewalls block AI hallucination, bias & sloppy reasoning. npx skills add

updated May 2026

minecraft-agent-skills

36
@Jahrome907

Minecraft AI agent skills and dual-target plugin bundle for Codex and Claude Code.

updated Jun 2026

pm-superpowers

36
@aniganti

Claude Code plugin marketplace with skills and tools for product managers

updated May 2026

cskill-agents

36
@ychampion

Agent skills for coding CLIs, multi-agent runtimes, context engines, MCP extensions, and terminal tooling. Instead of using claude code's source code, give your agent skills to create your own!

updated May 2026
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