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

terraform-skill

★ 2.4k
@antonbabenko

Terraform & OpenTofu Skill for AI Agents - testing, modules, CI/CD, and production patterns

updated Oct 2026

skills

★ 2.4k
@wondelai

Wondel.ai Agent Skills — Business, Marketing, UX & Coding Frameworks from Bestselling Books. 50 skills + 12 guided journeys for Claude Code, Codex, Cursor & other agentskills.io agents.

updated Oct 2026

geo-sleuth

★ 2.4k
@Oldcircle

An agent skill that finds where a photo was taken — OpenStreetMap geometry, elevation skylines, satellite imagery and street view — and shows its work. Works with Claude Code, Codex, Cursor, Gemini CLI, OpenCode and GitHub Copilot.

updated Oct 2026

AiSOC

★ 2.4k
@beenuar

Open-source AI Security Operations Center: alert fusion, LLM-agent triage, MITRE ATT&CK investigation, and a replayable decision ledger for every agent step. Self-hostable, runs with no API keys, MIT licensed. Ships an MCP server for Claude, Cursor and Continue.

updated Oct 2026

agent-skills-platform

★ 2.4k
@FrancyJGLisboa

Build tested agent skills and govern their lifecycle through a user-defined marketplace: evidence, discovery, updates, rollback, quarantine, and 17-platform distribution.

updated Oct 2026

paperbanana

★ 2.4k
@llmsresearch

Open source implementation and extension of Google Research’s PaperBanana for automated academic figures, diagrams, and research visuals, expanded to new domains like slide generation.

updated Oct 2026

openwolf

★ 2.4k
@cytostack

Portable project memory across Claude Code, Codex and OpenCode, plus token accounting measured from harness transcripts. Local file I/O, no API calls, no telemetry.

updated Oct 2026

agents-best-practices

★ 2.4k
@DenisSergeevitch

Provider-neutral Agent Skill for Codex, Claude Code, and agentic harness design.

updated Oct 2026

claude-blog

★ 2.4k
@AgriciDaniel

Claude Code blog skill suite: 30 sub-skills, 5 agents, 5-gate v1.9.0 Blog Delivery Contract, dual-optimized for Google rankings and AI citations. Active development at AI-Marketing-Hub/claude-blog (AI Marketing Hub Pro community); public releases ship here.

updated Oct 2026

webclaw

★ 2.4k
@0xMassi

Fast, local-first web content extraction for LLMs. Scrape, crawl, extract structured data — all from Rust. CLI, REST API, and MCP server.

updated Oct 2026

delegate-skills

★ 2.4k
@amElnagdy

Delegate a coding task to a separate coding agent CLI, review the diff, land the commit yourself — one per implementer.

updated Oct 2026

better-harness

★ 2.4k
@QoderAI

An open-source Harness Engineering platform for coding agents—define harnesses as code, run controlled experiments, inspect evidence, and compare outcomes. Turn task evidence into actionable team and organization insights.

updated Oct 2026

12306-mcp

★ 2.4k
@Joooook

This is a 12306 ticket search server based on the Model Context Protocol (MCP).

updated Oct 2026

portaljs

★ 2.4k
@datopian

🌀 AI-native framework for building data portals. Scaffold a full portal from a brief and load datasets in minutes with agentic skills — any backend (CKAN, GitHub, Frictionless).

updated Oct 2026

tdd-guard

★ 2.4k
@nizos

Automated TDD enforcement for Claude Code

updated Oct 2026

AgentsMesh

★ 2.4k
@AgentsMesh

The AI Agent Workforce Platform. Run a hundred AI coding agents across your own machines — schedule, isolate, and steer them all from one console.

updated Oct 2026

agency-orchestrator

★ 2.4k
@jnMetaCode

🚀 One sentence → your one-person company of AI experts → complete deliverable in minutes. 276 CN + 184 EN + 5 more languages (ko/ru/pt-BR/id/ar) · zero-code YAML · auto-verified acceptance · Web Studio / Desktop / Docker · 15 LLM providers (11 key-free). 一句话组建你的「一人公司」AI 专家团队,几分钟交付完整方案;验收自动核验,网页 / 桌面 / Docker 全渠道。

updated Oct 2026

Deep-Research-skills

★ 2.3k
@Weizhena

Structured deep research skill for Claude Code/Open Code/Codex with human-in-the-loop control

updated Oct 2026

OpenChatCut

★ 2.3k
@0xsline

Open-source, local-first conversational AI video editor with a professional multi-track timeline, Agent Skills, MCP integration, and Remotion rendering.

updated Oct 2026

pentest-ai-agents

★ 2.3k
@0xSteph

Turn Claude Code into your offensive security research assistant. Specialized AI subagents for authorized penetration testing plan engagements, analyze recon, research exploits, build detections, audit STIGs, and write reports.

updated Oct 2026

claude-code

★ 2.3k
@tanbiralam

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands. All original source code is the property of Anthropic.

updated Oct 2026

openrelay

★ 2.3k
@romgX

几百个免费 AI 模型配额,一键接入本地项目。| Hundreds of free AI model quotas, one-click access to local projects.

updated Oct 2026

onetake

★ 2.3k
@feitangyuan

Motion films that never cut to the next slide: every beat grows out of the one before, one continuous camera, continuity measured by an oracle. Product launch films and feature demos, made with a coding agent.

updated Oct 2026

fable-method

★ 2.3k
@Sahir619

The Fable Workflow: how Claude Fable 5 worked, distilled into skills any model can run, with the eval that keeps it honest. Think / act / prove.

updated Oct 2026
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