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Run 21st help for the full inline usage; a command invoked without its required arguments prints its own usage line. Add --json to most read commands for machine-readable output.

Auth & account

Credential order: --token/--api-key flag → TWENTYFIRST_TOKENAPI_KEY_21ST → stored login.

Find & install

See Find & install for all search flags.

Bookmarks, lists & teams

Generate with 21st AI

See Generate with 21st AI.

Components & drafts

21st components drains every server page by default. Filter it with --status all|draft|published|private or --scope all|personal|team:<uuid>; each row keeps a stable component:<id> or draft:<uuid> reference for 21st open. 21st open draft:<uuid> resumes an editable Studio draft. 21st open component:<id> creates or resumes a server-owned CLI Review revision from the retained published component code and demos. The live component stays unchanged until publish. Fresh covers are required; optional videos run best-effort in the background. Pass --no-open to create or resume the workspace and print its editor URL without launching a browser. Only the original component author can check out code. A Team manager can still edit or unpublish a teammate’s component metadata by stable ref. Checkout fails closed when retained source, dependencies, style, support files, or the default demo cannot be reproduced safely. Use 21st publish <file> --component component:<id> with a local source file instead. A login session includes personal work and Teams the user can manage. A personal key is personal-only; a Team key is restricted to that Team. New CLI Review drafts persist their authenticated personal or Team/library scope. Legacy proof-backed CLI drafts are recovered into the matching authenticated scope. An older unsigned draft whose scope cannot be proven may need to be recreated.

Publish & manage

Component publishing, metadata editing, and unpublishing accept a login session or secret API key. Theme/template publishing and management commands require a 21st_sk_… key. See Publish & manage.

Profile

See Your profile.

Design Context & review

See Project-aware design.

Editor & MCP setup

See Editor & MCP setup.