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Grok

xAI's Grok. The consumer app (web, iOS, Android) runs Skills you build or upload at grok.com/skills. Grok Build, the coding CLI, is fully Claude Code-compatible with zero config: it reads Claude Code skills, plugins, marketplaces, MCPs, and CLAUDE.md alongside its own .grok/ directories.

How skills install

App (web/iOS/Android): download a skill's .skill from Solid State, then grok.com/skills -> New Skill -> Upload skill file. Skills is a paid feature (SuperGrok / X Premium+). Build (CLI): zero config if you use Claude Code -- Grok reads ~/.claude/skills/ and Claude marketplaces (~/.claude/plugins/known_marketplaces.json); or drop a folder into ~/.grok/skills/. Verify CLI discovery with `grok inspect`.

Grok app: grok.com/skills - CLI: ~/.grok/skills/ - ~/.claude/skills/

Add Solid State

Grok Build TUI: /plugins -> Marketplace -> add source:

github.com/solidstatecc/solid-state

Installs the Solid State plugin -- 5 voice skills (voice-check, anti-buzzword, contrast-pair, reframe, compress). Verified live in Grok Build 2026-06-14. The full indexed catalog runs via Claude-compat, no install needed.

Skills in the catalog

317 indexed skills run on this runtime, including spec-compliant runtime-agnostic skills.

Browse Grok skills →