
Google Skills
Agent Skills for Google products and technologies.

Open-source tool. Self-hosted setup.
This is the standards body for the format everything else in this list implements: the open specification behind SKILL.md-style portability across Claude Code, Codex, Cursor, and other agents, maintained under the agentskills.io banner referenced throughout the ecosystem.
Things to Know About Self-Hosted
Self-hosted tools are open-source apps you install on your own server to replace SaaS products. You get full control and often zero license cost, but you're responsible for setup, security, backups, and uptime.

A skill pack for long- and short-form web fiction writing, covering ranking research, story breakdown, drafting, de-AI-ifying, and cover art.

Agent skills for Obsidian — teach your agent to use Obsidian CLI and open formats including Markdown, Bases, JSON Canvas.

Claude skill: multi-source content processor for NotebookLM, supporting WeChat articles, web pages, YouTube, PDF, Markdown, and search queries.

A Claude skill that writes accurate prompts for any AI tool with full context and memory retention.

Agent skill that generates rich HTML pages or slide decks for diagrams, diff reviews, plan audits, data tables, and project recaps.

A library of Agent Skills designed to work with the Stitch MCP server, following the open Agent Skills standard.

A skill for turning farewells with an AI collaborator into a structured, meaningful handoff — part of the 'Digital Life 1.0' project.

PM Skills Marketplace: 100+ agentic skills, commands, and plugins from discovery to strategy, execution, launch, and growth.