GStackAgent skill stack
garrytan/gstack
Role-based CEO, design, engineering, release, docs, and QA workflows for agentic coding.
- Use
- Adapt carefully
- Stars
- 109k
- Language
- TypeScript
- License
- MIT
AI agent skills directory
Find the right skill or tool for the job your agent needs to do.
Browse installable skills, open-source agent tools, and practical decision guides. Start with the task, check the source, then test one small workflow before adding anything to your stack.
- Open-source profiles
- 45
- Category guides
- 7
- Comparisons
- 4
- Installable skills
- 4
Install
Agent skills
Versioned skill files and operating workflows you can inspect, copy, and adapt for your own agent.
Browse installable skillsExplore
Open-source library
Coding agents, MCP servers, memory tools, workflow builders, prompt libraries, and agent frameworks.
Search open-source toolsDecide
Guides and comparisons
Practical pages that explain when a tool fits, when to skip it, what to test, and which alternatives matter.
Open decision guidesBrowse by problem
Start with the capability you need.
These guides narrow the library to tools that solve the same builder problem, so you can compare a focused set instead of scanning every repo.
Open the full libraryClaude Code skills and workflows
Skill packs, directories, and workflow examples for builders shaping Claude Code into a more reliable teammate.
MCP servers for AI agents
Model Context Protocol servers and directories that connect agents to tools, repos, memory, browsers, and business systems.
Prompt libraries for agent builders
Prompt references and teaching repos that help builders turn loose instructions into stricter agent workflows.
AI coding agents and harnesses
Open-source coding agents, CLIs, editor assistants, and harnesses for hands-on software work.
Memory and context tools for AI agents
Memory layers, semantic stores, and repo context tools that help agents remember useful facts without overreaching.
Design context for AI-generated UI
Design context, rules, and examples that give coding agents stronger taste and UI constraints.
Marketing and operator skills for AI agents
Domain skills for copy, CRO, analytics, SEO, positioning, and operator workflows supported by human review.
Curated starting points
Five repos worth evaluating first.
Agent SkillsEngineering skills
addyosmani/agent-skills
Production engineering skills for AI coding agents from Addy Osmani.
- Use
- Install candidate
- Stars
- 51.2k
- Language
- Shell
- License
- Open source
GitHub MCP ServerMCP server
github/github-mcp-server
GitHub MCP server for giving agents structured access to GitHub workflows.
- Use
- Integration
- Stars
- 30.6k
- Language
- Go
- License
- Open source
BuildLeanSaaS skills
Install a repeatable workflow.
These are first-party skill files with a defined trigger, workflow, and verification step. Inspect the contents, then adapt them to your agent runtime.
discord
Hermes Discord Control Channel
An installable Hermes/OpenClaw skill for wiring a private Discord channel to a narrow agent command surface before X bookmarks and Linear triage run.
x
X Bookmark Capture Sync
An installable OpenClaw/Codex-style skill that captures your X bookmarks on a cron job and turns them into raw GitHub Issues labeled inbox.
content
Release Source Capture
Free Codex/Hermes skill for monitoring GitHub releases and RSS feeds, deduping changes locally, and emitting JSON events for sourced research briefs.
linear
Linear X Bookmark Agent Triage
An installable Hermes/Codex-style skill for reviewing Linear issues created by X Bookmark Capture Sync and turning each capture into a Shape Up Linear task.
Decision guides
Compare tools by the work you actually need to ship.
GStack vs Agent Skills
Choose between a broad operator skill stack and a focused engineering skill pack for coding agents.
Read comparisonCodex vs Claude Code vs OpenCode
Compare coding agent CLIs and workflows by review control, provider needs, and sandbox habits.
Read comparisonBest MCP servers for AI agents to evaluate first
A restrained shortlist of MCP directories and servers worth comparing before connecting agents to tools.
Read comparisonPrompt libraries vs agent skills
Decide when a public prompt is enough and when to turn the idea into a versioned agent skill.
Read comparisonHelp build the directory
Know a skill or repo builders should evaluate?
Submit the source, explain the job it helps with, and tell us what makes it worth testing. Strong entries receive an editorial decision guide, not a copied README.