Open-source agent skills and plugins
Ready-made skills, prompts, plugins, and MCP servers that give an AI agent a new ability.
Last updated Oct 20, 2026
121 projects
- Chris Mason986
Review Prompts
Code review, debug, and verify prompts for AI agents on kernel projects
- 1.6k
data.gouv.fr MCP Server
MCP server for searching and analyzing French government open data
- 1.9k
pg-aiguide
PostgreSQL best-practice skills and doc search for AI coding agents
- 2.9k
Claude Subconscious
Background memory agent that feeds context to Claude Code sessions
- hope3.5k
Oh My Hermes
Plugin that adds workflows, memory, and model routing to Hermes Agent
- Jordan Gibbs3.9k
Hyperresearch
Deep research pipeline that runs inside Claude Code or Codex
- 3.1k
Flutter Agent Plugins
Official skill and plugin bundles that teach AI agents Flutter workflows
- Michael Denyer3.2k
pstack
Port of the pstack Cursor skill stack to Claude Code, Codex, and Copilot
- Chachamaru3.2k
Claude Harness
Plan, work, and review workflow plugin for AI coding assistants
- nyk4.7k
Council of High Intelligence
Multi-persona deliberation skill for weighing hard decisions with AI agents
- 3.9k
Modern Go Guidelines
Agent skill that teaches AI coding agents to write current Go idioms
- Nico Bailon4k
pi-subagents
Subagent delegation extension for the Pi coding agent
- 5.4k
Skills by HumanLayer
Claude Code skills for research-plan-implement work, visual PRs, and more
- Thomas Ricouard4k
Skills by Thomas Ricouard
Codex agent skills for Swift, SwiftUI, React, GitHub, and code review
- 5.7k
.NET Agent Skills
Official .NET and C# skill plugins for AI coding agents
- 7.1k
Talk to Figma MCP
MCP server and Figma plugin that let AI agents read and edit designs
- Craig7.5k
SEO Machine
Claude Code workspace for researching and writing SEO blog posts
- 聆风7.6k
Webnovel Writer
Claude Code plugin for writing long serialized Chinese web novels
- Paul Hudson6.3k
SwiftUI Pro
Skill file that teaches coding agents modern, accessible SwiftUI
8k
- Vũ Đỗ8.2k
AG Kit
Agent workspace kit of rules, skills, and workflows for Google Antigravity
- 8.4k
CCPM
Agent skill that turns PRDs into GitHub issues for parallel coding agents
- 8.5k
gog
Terminal tool for Gmail, Drive, Calendar and other Google Workspace apps
- 8.6k
Stitch Design Skills
Agent skills and plugins that let coding agents drive Google Stitch designs