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

8240entries
★ starsA–Z name

ai-trader

883
@whchien

Backtrader-powered backtesting framework for algorithmic trading, featuring 20+ strategies, multi-market support, CLI tools, and an integrated MCP server for professional traders.

updated Jul 2026

ctx

882
@ctxrs

Search the coding agent history already on your machine

updated Jul 2026

restheart

880
@SoftInstigate

The Agent-Ready Backend for MongoDB.

updated Jul 2026

hyper-mcp

880
@hyper-mcp-rs

📦️ A fast, secure MCP server that extends its capabilities through WebAssembly plugins.

updated Jul 2026

awesome-claude-code-plugins

880
@ccplugins

Awesome Claude Code plugins — a curated list of slash commands, subagents, MCP servers, and hooks for Claude Code

updated Jul 2026

mcp-knowledge-graph

877
@shaneholloman

MCP server enabling persistent memory for Claude through a local knowledge graph - fork focused on local development

updated Jul 2026

awesome-claude-design

877
@rohitg00

Claude Design DESIGN.md prompts by aesthetic family, remix recipes, skills, video teardowns, X signal, honest community takes.

updated Jul 2026

internet-court-skill

877
@internet-court

The trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 payments, escrow, and dispute resolution as one open, catch-all Agent Skill / Claude Code plugin.

updated Jul 2026

alpaca-mcp-server

874
@alpacahq

Alpaca’s official MCP Server lets you trade stocks, ETFs, crypto, and options, run data analysis, and build strategies in plain English directly from your favorite LLM tools and IDEs

updated Jul 2026

VectorCode

873
@Davidyz

A code repository indexing tool to supercharge your LLM experience.

updated Jul 2026

gortex

871
@zzet

High-performance code-intelligence engine for AI agents and IDE, supports 257 languages, multi repositories, based on graph, with access via CLI, MCP Server, and API. AI coding agents teammate - expose only needed information, cutting token usage up to 50x. 100% local. Discord: https://discord.gg/ysC2prTGD

updated Jul 2026

coderunner

870
@instavm

A local sandbox for your AI agents

updated Jul 2026

AutoR

869
@AutoX-AI-Labs

AI handles execution, humans own the direction, and every run becomes an inspectable research artifact on disk.

updated Jul 2026

hermes-agent-control-room

868
@CryptoDmitry

Control Room-first template for managing Hermes agents from one VPS agent to specialist teams and orchestrated workflows

updated Jul 2026

proxy

866
@routatic

route Claude Code requests through multiple upstream providers (OpenCode Go, OpenCode Zen, and AWS Bedrock) with automatic model selection and format transformation.

updated Jul 2026

claude-code-changelog

864
@marckrenn

Tracking prompts, feature flags and metadata of Claude Code releases. Subscribe to ↓

updated Jul 2026

banana-claude

862
@AgriciDaniel

AI image generation skill for Claude Code -- Creative Director powered by Gemini

updated Jul 2026

atlassian-mcp-server

858
@atlassian

Official remote MCP server for Atlassian. Securely connect Jira, Confluence, Jira Service Management, Bitbucket, and Compass to Claude, ChatGPT, Cursor, VS Code, and other AI tools using OAuth 2.1 or API tokens.

updated Jul 2026

llm-wiki

858
@nvk

LLM-compiled knowledge bases for any AI agent. Parallel multi-agent research, thesis-driven investigation, source ingestion, wiki compilation, querying, and artifact generation.

updated Jul 2026

opentabs

856
@opentabs-dev

Browser automation clicks buttons. OpenTabs calls APIs.

updated Jul 2026

UnrealClaude

853
@Natfii

Claude Code CLI integration for Unreal Engine 5.7 - Get AI coding assistance with built-in UE5.7 documentation context directly in the editor.

updated Jul 2026

router

852
@workweave

Model router for agentic systems. Routes every prompt to the right model in <50ms. Cut costs 40-70% with just an endpoint change.

updated Jul 2026

claude-code-memory-setup

851
@lucasrosati

Up to 71.5x fewer tokens per session on Claude Code with Obsidian + Graphify. Persistent memory, codebase knowledge graphs, and chat import pipeline. 🇧🇷 PT-BR included.

updated Jul 2026

fablize

851
@fivetaku

A Claude Code plugin that makes Opus behave like Fable — completion, evidence, and verification enforced as procedure. Ships only what a Fable-vs-Opus comparison proved transferable.

updated Jul 2026
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