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

8261entries
★ starsA–Z name

loushang

★ 1.8k
@zhnt

AI-native agent harness for coding workflows by python: multi-model LLM orchestration, stateful sessions, tool governance, traceable delivery, and provider routing for GPT, Claude, DeepSeek, Qwen, Kimi, GLM, and MiniMax.

updated Oct 2026

OpenOSINT

★ 1.8k
@OpenOSINT

AI-powered OSINT agent with interactive REPL, MCP server, and CLI. 20 tools. Works with Claude, GPT-4, or local models. For authorized security research only.

updated Oct 2026

global-stock-data

★ 1.7k
@simonlin1212

美股与全球市场数据工具包(给 AI 编程助手用):官方源优先、零鉴权、标注合规级别 | US & global market data for AI coding assistants — zero-auth, official sources. CBOE options + 0DTE, VIX term structure, FINRA short data, SEC Form 4 / 13F, central-bank rates & FX, Taiwan exchanges, EIA energy. 16 layers, 50+ endpoints, 17 sources, each with its compliance tier.

updated Oct 2026

ELI5

★ 1.7k
@DreambigOu

ELI5 — A Claude Code skill that explains anything to anyone: kids, managers, engineers, parents. Adapts tone, vocabulary, and analogies to match the audience.

updated Oct 2026

LongHorizon-Harness

★ 1.7k
@AMAP-ML

The long-horizon computer-use harness. Run AI agents across desktop apps and the CLI for extended periods while preserving task state and making reliable progress on complex workflows. Features fresh-context execution, durable verified state, independent auditing, recoverable progress, and native Claude Code / Codex / OpenClaw integration.

updated Oct 2026

huashu-skills

★ 1.7k
@alchaincyf

花叔全部开源 Agent Skills 总目录:16 旗舰 + 14 人物视角 + 22 内置共 52 个 skill,分层分类 + AI Agent 安装协议 + 机器可读 skills.json + 更新检查机制

updated Oct 2026

erd-editor

★ 1.7k
@dineug

ERD Editor: design database schemas visually, import SQL DDL, GraphQL, DBML and AML, export DDL and code for 22 languages. Web app, Google Drive, VS Code, IntelliJ, Obsidian, a custom element, and an MCP server that lets coding agents edit diagrams live.

updated Oct 2026

zenfeed

★ 1.7k
@glidea

Make RSS 📰 great again with AI 🧠✨!! 数据打标请联系 glidea123 (数万并发随时狂飙)

updated Oct 2026

ghostty-blackhole

★ 1.7k
@s0xDk

Ghostty Blackhole puts a real, ray-traced black hole inside your terminal. It grows as Claude Code's context window fills up, live. A fresh session is a quiet hole in the corner. A full one swallows half your screen. You'll always see /compact coming.

updated Oct 2026

agtx

★ 1.7k
@fynnfluegge

🏄🏼‍♂️ The blackboard for coding agents - agentic development environment for claude code, codex, cursor, opencode, grok and more.

updated Oct 2026

zerostack

★ 1.7k
@gi-dellav

Lightweight coding agent written in Rust, optimized for memory footprint and performance

updated Oct 2026

claude-fuer-deutsches-recht

★ 1.7k
@Klotzkette

⚠️ Experimentelle Skill-Sammlung für deutsches Recht (Arbeits-, Gesellschafts-, Insolvenz-, Datenschutz-, Prozessrecht u.a.) – inzwischen verbessert und im Alltag getestet, aber weiterhin Experiment. Bitte selber ausprobieren, Issues/PRs willkommen! Keine Rechtsberatung. Mandatsgeheimnis (§§ 203/204 StGB, § 43e BRAO), DSGVO, US-Transfer, KI-VO & Co

updated Oct 2026

agent-flow

★ 1.7k
@patoles

Real-time visualization of Claude Code agent orchestration — see your agents think, branch, and coordinate as they work.

updated Oct 2026

ux-ui-agent-skills

★ 1.7k
@plugin87

Turn Claude into a senior design architect: DTCG tokens, 52 components, WCAG 2.2 AA-AAA, 138 design systems, any-framework code, and 50 objective gates that fail the build instead of faking success.

updated Oct 2026

claude-code-sub-agents

★ 1.7k
@lst97

Collection of specialized AI subagents for Claude Code for personal use (full-stack development).

updated Oct 2026

awesome-claude

★ 1.7k
@webfuse-com

A curated list of awesome things related to Anthropic Claude

updated Oct 2026

llmwiki

★ 1.7k
@lucasastorian

Open Source Implementation of Karpathy's LLM Wiki. Upload documents, connect your Claude account via MCP, and have it write your wiki !

updated Oct 2026

spec-kitty

★ 1.7k
@spec-kitty

Spec-Driven Development with organizational governance. Specs tell AI agents what to build; Charter governs how they build it. Git-native missions, enforceable workflows, and consistent engineering standards across AI coding agents and harnesses.

updated Oct 2026

video-podcast-maker

★ 1.7k
@Agents365-ai

Topic → 4K narrated video for coding agents. v5.3.0: local TTS (edge free + azure, no external engine), manifest-based Asset Engine, Remotion composition, cost-gated AI generation, Bilibili/YouTube/Xiaohongshu/Douyin/WeChat Channels

updated Oct 2026

ghost-os

★ 1.7k
@ghostwright

Full computer-use for AI agents. Self-learning workflows. Native macOS. No screenshots required.

updated Oct 2026

claude-code-my-workflow

★ 1.7k
@pedrohcgs

A ready-to-fork Claude Code template for academics using LaTeX/Beamer + R. Multi-agent review, quality gates, adversarial QA, and replication protocols.

updated Oct 2026

claude-code-settings

★ 1.7k
@feiskyer

Curated skills, sub-agents, and config templates that supercharge Claude Code — research, image gen, GitHub automation & more.

updated Oct 2026

matlab-mcp-server

★ 1.7k
@matlab

Run MATLAB® using AI applications with the official MATLAB MCP Server from MathWorks®. This MCP server for MATLAB supports a wide range of coding agents like Claude Code® and Visual Studio® Code.

updated Oct 2026

terravision

★ 1.7k
@patrickchugh

Cloud architecture diagrams in both directions: AI prompt or JSON to diagram, diagram to Terraform via MCP server, and Terraform to diagram via CLI or CI/CD. Using Official AWS, Azure and GCP icons.

updated Oct 2026
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