The registry for the open Agent Skills standard.
159,000+ SKILL.md files compatible with Hermes Agent, Cursor, OpenAI Codex, Gemini CLI, OpenCode, Goose, Letta, Roo Code, Claude Code, and 30+ more AI agent clients. Free to browse the unrated catalog. Pro unlocks the multi-signal Quality Score.
Windows: click Run anyway on the one Microsoft Defender SmartScreen prompt — the installer isn't code-signed yet. 60-second install guide → · macOS builds are signed & notarized by Apple.
The Agent Skills format is open and shared — the same skill file works on Hermes, Cursor, Codex, and the rest of the agent universe. Browse the catalog filtered to any specific client, or sweep the lot.
The same SKILL.md file works across every agent client implementing the open standard. The registry, search, ranking, and install layer is the product. The skills stay with their authors.
Mined nightly from public GitHub, gists, awesome-lists, and direct submission. Every entry follows the SKILL.md spec from agentskills.io — author attribution, license, and source repo preserved on every page.
The free catalog stays unrated — every admitted skill appears equally on browse pages. Pro unlocks a multi-signal Quality Score on every skill based on content structure, anti-trigger discipline, and frontmatter depth. Authors are never paid; ranking cannot be bought.
Each skill page carries the install command for every compatible agent —
hermes skills install, cursor add-skill, Codex CLI,
Gemini CLI, Claude Code, and the rest. Pro members get one-click install via the desktop app.
GuildSkills is the registry; agentskills.io is the format spec (originally released by Anthropic, now adopted by 40+ AI agent platforms). We catalog and rank — the format itself is open and governed by the community.
The same workflow regardless of which agent you're using. The SKILL.md format handles the rest.
Filter by agent client, category, tag, or use case. Pro members see the Quality Score on every skill.
Each skill page carries the install command for every compatible agent. One line, copy-paste, done.
The agent loads the skill via progressive disclosure when a matching task fires. Author attribution stays with the skill.
GuildSkills Pro is its own subscription — a multi-signal Quality Score on every skill, plus one-click cross-agent install in the desktop app.
Browsing the catalog is free and every skill is open-source — install any SKILL.md by hand at no cost. A free account unlocks search; Pro adds a multi-signal Quality Score on every skill, plus one-click cross-agent install in the desktop app. GuildSkills Pro is its own subscription, separate from ClaudSkills.
Browsing the catalog is free and every skill is open-source to install by hand; a free account unlocks search, and Pro adds the Quality Score + one-click install. Authors are never paid, and ranking can't be bought.
What is the open standard, how does cross-agent compatibility work, and why a separate brand from ClaudSkills.
SKILL.md) is an open format originally released by
Anthropic and now adopted by 40+ AI agent platforms via
agentskills.io. A skill is a folder
containing a SKILL.md file with YAML frontmatter (name, description) plus
optional scripts, references, and assets. Agents load skills via progressive
disclosure: discovery (name + description at startup), activation (full
instructions when task matches), and execution (optionally run bundled scripts).
hermes skills install <repo>;
Claude Code uses ~/.claude/skills/ directory; Cursor uses
.cursor/skills/; Codex CLI uses codex skill add.
See the per-agent pages for full details.