Tailwind 4 Docs
Overview
Use this skill to navigate a locally synced Tailwind CSS v4 documentation snapshot and answer development, configuration, and migration questions with official guidance.
The docs snapshot is not bundled with this skill because the upstream repository is source-available but not open-source. Users must initialize the snapshot themselves and are responsible for complying with the upstream license.
Quick start
- Check whether the docs snapshot is initialized ( and
references/docs-index.tsx
exist).
- If the snapshot is missing or older than one week, stop and ask to run the initialization step in "Initialization" before continuing. Do not answer the user's question until the snapshot is initialized.
- Identify the topic (utility, variant, config, migration, compatibility).
- Find the matching doc in
references/docs-index.tsx
.
- Load only the relevant file from .
- Apply guidance and call out any breaking changes or constraints.
Initialization (required once per install)
Run the sync script to download the Tailwind docs locally. This requires network access, git, and Python 3:
python skills/tailwind-4-docs/scripts/sync_tailwind_docs.py --accept-docs-license
This pulls content from
tailwindlabs/tailwindcss.com
. That repo is source-available and explicitly not open-source, so the user must accept its license before downloading and keep the snapshot local.
If you cannot run tools or have no internet access, ask the user to run the exact command above in a terminal, then continue once
and
references/docs-index.tsx
exist.
If the snapshot is missing or older than one week, you must ask for permission to run the command or ask the user to run it. Do not proceed with Tailwind guidance until the snapshot is initialized or refreshed.
If initialization is blocked (no internet or no write access), use
as a limited fallback and ask the user to consult the official docs.
References map
- is generated locally and contains the Tailwind v4 MDX docs snapshot.
references/docs-index.tsx
is generated locally and contains the category and slug map used by the docs sidebar.
references/docs-source.txt
captures the upstream repo, commit, and snapshot date (or reports that initialization is pending).
- provides a quick scan of common v4 migration pitfalls.
MDX handling
- Treat and as metadata.
- Read JSX callouts like or as guidance text.
Common entry points
- Migration:
references/docs/upgrade-guide.mdx
, references/docs/compatibility.mdx
.
- Gotchas overview: .
- Configuration and directives:
references/docs/functions-and-directives.mdx
, references/docs/adding-custom-styles.mdx
, references/docs/theme.mdx
.
- Variants and responsive patterns:
references/docs/hover-focus-and-other-states.mdx
, references/docs/responsive-design.mdx
.
- Core behavior:
references/docs/preflight.mdx
, references/docs/detecting-classes-in-source-files.mdx
.
Migration checklist
When upgrading from v3 to v4, always confirm the following in the docs:
- Browser support and compatibility expectations.
- Tooling changes: , , .
- Import syntax: replaces directives.
- Utility renames/removals, prefix format, and important modifier placement.
- Changes to variants, transforms, and arbitrary value syntax.
Update workflow
Run
scripts/sync_tailwind_docs.py
to refresh the snapshot. Use
if you already have a local clone of
tailwindlabs/tailwindcss.com
to speed up syncs. Always pass
.