MCP server

CSS SOTA

io.github.LuSrodri/css-sota-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

What CSS you can actually ship today, from live Baseline data and MDN browser-compat-data.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

6

Token cost

About 2,482 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http css-sota-mcp https://css-sota-mcp.lusrodri.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.css-sota-mcp]
url = "https://css-sota-mcp.lusrodri.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"css-sota-mcp":{"httpUrl":"https://css-sota-mcp.lusrodri.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"css-sota-mcp":{"url":"https://css-sota-mcp.lusrodri.workers.dev/mcp"}}}

VS Code

{"servers":{"css-sota-mcp":{"type":"http","url":"https://css-sota-mcp.lusrodri.workers.dev/mcp"}}}

Antigravity

agy mcp add css-sota-mcp https://css-sota-mcp.lusrodri.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"css-sota-mcp","server_url":"https://css-sota-mcp.lusrodri.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"css-sota-mcp","server_url":"https://css-sota-mcp.lusrodri.workers.dev/mcp"}

Tools

• audit_css ~563 tokens
  Scan CSS source and report every feature in it that does not meet a browser support target. Targets are either a Baseline level ("baseline-widely", "baseline-newly") or an explicit browser list ("chrome 120, safari 17.4, firefox 128"). Reports the offending line, what is wrong (unsupported, too old,
• check_support ~365 tokens
  Look up which browser versions support a CSS property, value, selector, at-rule or function, from MDN browser-compat-data bundled with this server (no network call). Give either a BCD key ("css.properties.anchor-name") or a property with an optional value ("display" + "grid"). Also reports vendor pr
• dont_make_me_think ~488 tokens
  UI/UX guidelines and a review of a page against them. mode="guidelines" returns the principles — Nielsen's 10 heuristics, Hick's and Fitts's laws, WCAG 2.2, neurodiversity-inclusive design, motion and microinteractions (including when Lottie or Rive are worth their bundle cost), SVG craft and animat
• get_feature ~252 tokens
  Get everything known about one CSS feature: Baseline status and dates, the browser versions it shipped in, its description, spec links, Web Platform Tests scores, usage, and MDN reference prose. Accepts a web-features id ("container-queries") or a display name ("Container queries"). Use search_css_f
• search_css_features ~460 tokens
  Search CSS features on the Web Platform Dashboard (webstatus.dev) by keyword, Baseline status, and the date range in which they reached Baseline. Use this to answer questions like "which CSS features for scroll animations are Baseline yet?" or "what limited-support CSS is there for anchoring?". Retu
• whats_new ~354 tokens
  List CSS features that crossed a Baseline threshold within a date range, newest first. Use this to answer "what CSS can I start using now?", to write release notes, or to catch up after time away. Defaults to the last 180 days. The date is when a feature became interoperable across browsers, which i

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