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.

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.

ToolGitHub starsStars / 30dLast commit
Agentic Plugin Marketplace(original)40.1k+3,3432026-09-29
Claude Code Plugins Directory37.2k+3,1042026-09-30
Claude Code Skills & Plugins27.0k+2,2532026-08-26
Skills179.2k+26,2542026-09-29
Garden Skills12.7k+1,0592026-07-12
Khazix Skills21.1k+1,7562026-09-30
cc-haha14.8k+1,2332026-09-30
CC Switch139.1k+11,5932026-09-30
9Router30.1k+2,5092026-09-26
  1. 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. 2. Claude Code Skills & Plugins

    380 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 380+ skills, customizable references, scripts)for Claude Code, Codex, Gemini C

    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. 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. 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. 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. 6. cc-haha

    Local-first cross-platform desktop workspace for Claude Code / agents: multi-agent, Git worktrees, code diffs, skill marketplace, multi-model, Computer Use, tas

    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. 7. CC Switch

    A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io

    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. 8. 9Router

    Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% t

    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 179,159 stars.
Which Agentic Plugin Marketplace alternative is the most actively maintained?
By recent activity, Claude Code Plugins Directory (2,558 commits in the last 90 days) is the most actively developed alternative.