8 Best Agentic Plugin Marketplace Alternatives in 2026 (Open Source)
Agentic Plugin Marketplace — Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi. Maintains one source-of-truth for plugins that generates idiomatic, native artifacts for six different coding agent harnesses.
Short answer
- Closest match to Agentic Plugin Marketplace: Claude Code Plugins Directory.
- Most actively developed: Claude Code Plugins Directory (2,507 commits in the last 90 days).
- Fastest growing: Skills (+25,889 GitHub stars in the last 30 days).
These 8 open-source tools do the same job. They are ordered by how closely they match Agentic Plugin Marketplace, with live GitHub data so you can see which projects are actively maintained.
| Tool | GitHub stars | Stars / 30d | Last commit |
|---|---|---|---|
| Agentic Plugin Marketplace(original) | 40.2k | +560 | 2026-09-29 |
| Claude Code Plugins Directory | 37.3k | +880 | 2026-10-02 |
| Claude Code Skills & Plugins | 27.4k | +3,620 | 2026-08-26 |
| Skills | 179.5k | +25,889 | 2026-09-29 |
| Garden Skills | 12.7k | +160 | 2026-07-12 |
| Khazix Skills | 21.1k | +430 | 2026-10-01 |
| cc-haha | 14.8k | +560 | 2026-10-03 |
| CC Switch | 139.7k | +5,750 | 2026-10-02 |
| 9Router | 30.2k | +1,250 | 2026-10-01 |
1. Claude Code Plugins Directory
Official, Anthropic-managed directory of high quality Claude Code Plugins.
What sets it apart: Official Anthropic-managed directory specifically for Claude Code plugins with both internal and curated external offerings.
Best for: Claude Code users looking to extend functionality; Developers building plugins for Claude Code; Teams managing Claude Code plugin ecosystems
2. Claude Code Skills & Plugins
Open-source library of 388 reusable skills, plugins, and agent personas for 13 AI coding tools
What sets it apart: The most comprehensive open-source library of Claude Code skills and agent plugins covering 13 different coding agent platforms.
Best for: Extending AI coding agents with specialized skills; Adding enterprise domain expertise to coding workflows; Creating reusable agent personas for different business functions
3. Skills
Public repository for Agent Skills
What sets it apart: Official Anthropic skill system for Claude with production-grade document skills (PDF/DOCX/PPTX/XLSX) and a standardized Agent Skills specification
Best for: Claude users wanting to extend capabilities with domain expertise; Teams building repeatable workflows in Claude; Developers creating Claude Code plugins
4. Garden Skills
ConardLi's open-source Skills collection, featuring web design, knowledge retrieval, image generation, and more.
What sets it apart: A curated, open-source collection of production-ready, modular skills specifically formatted for integration into AI coding agents.
Best for: developers building AI coding agents; adding modular functionality to coding assistants; prototyping agent capabilities quickly
5. Khazix Skills
数字生命卡兹克开源的 AI Skills 合集 | Agent Skills: leader（帮你定义目标）, neat-freak 洁癖, hv-analysis, khazix-writer & more — Claude Code, Codex & 40+ agents
What sets it apart: A collection of practical, tested agent skills following an open interoperability standard.
Best for: Developers looking to extend agent capabilities with pre-built modules; Users of Claude Code, Codex, or other compatible agents; Those wanting structured, reusable agent instructions
6. cc-haha
Cross-platform desktop workspace for Claude Code with multi-agent sessions, Git worktrees, and diff review
What sets it apart: Provides a local-first desktop workspace with Computer Use capability that operates other apps without taking over physical input devices on macOS.
Best for: Developers building Claude Code agents; Teams managing multi-agent workflows; Users needing desktop-based agent development with GUI controls
7. CC Switch
Cross-platform desktop app for switching AI agent providers and managing MCP, Skills, and Prompts
What sets it apart: Provides a single desktop interface to switch between and configure multiple different AI agent tools and their API providers.
Best for: Developers using multiple AI agent tools; Users wanting to avoid manual configuration file edits; Teams needing centralized management of agent tool settings
8. 9Router
Local AI router for coding agents with provider fallback and 20–40% token-saving output compression
What sets it apart: Automatically routes AI coding requests through subscription, cheap, and free tiers with token compression to prevent interruptions and reduce costs.
Best for: Developers using multiple AI coding assistants; Teams wanting to optimize AI API costs; Projects requiring uninterrupted AI coding access
FAQ
- What are the best alternatives to Agentic Plugin Marketplace?
- The closest open-source alternatives to Agentic Plugin Marketplace are Claude Code Plugins Directory, Claude Code Skills & Plugins and Skills, followed by Garden Skills, Khazix Skills and cc-haha. They are ranked by how closely they match what Agentic Plugin Marketplace does.
- Which Agentic Plugin Marketplace alternative is the most popular?
- Skills has the most GitHub stars among Agentic Plugin Marketplace alternatives, with 179,472 stars.
- Which Agentic Plugin Marketplace alternative is the most actively maintained?
- By recent activity, Claude Code Plugins Directory (2,507 commits in the last 90 days) is the most actively developed alternative.