Agent Skills Marketplace

Agent Skills Marketplace is an independent community site that gathers agent skills from GitHub into one browsable catalog. It lists more than 25,000 skills that work with Claude Code, Codex CLI, and ChatGPT, and it uses the SKILL.md standard. That format matters: Anthropic released the Agent Skills specification as an open standard in December 2025, and OpenAI adopted the same form, so a skill written once can be used across assistants instead of being rewritten for each one. The site is free to use, and its stated strengths are breadth, an open standard, and support for combining several skills in one setup. It describes itself as a community project rather than an official marketplace.

- Browse or search more than 25,000 agent skills in one place

- Narrow the list to skills that fit the assistant you use

- Read a skill SKILL.md file to see what it does before installing

- Combine several skills for a single workflow

- Developers who want a skill rather than building one from scratch

- People who publish skills and want them discovered

- Teams that want one format working across several assistants

This is a community aggregation site, not an official marketplace run by Anthropic or OpenAI, so review status, documentation quality, and support will vary from entry to entry. Because skills come from many GitHub sources, quality and maintenance differ widely, so check when a skill was last updated and read its file before you install it. A skill can instruct an assistant to run commands and touch files, so treat anything you add to a working project the way you would treat a new dependency. The catalog and the standard itself are still moving, and free access can change.