`w3c_search`

Pack: w3c · Endpoint: https://gateway.pipeworx.io/w3c/mcp

Find W3C / web-standards specifications by keyword or topic — HTML, CSS, WCAG accessibility, DOM, SVG, WAI-ARIA, WebAuthn, Fetch, and 800+ others. Answers “what W3C spec defines X”, “the CSS grid specification”, “web accessibility standard”, “which spec covers custom elements”. Returns specs with shortname, title, status (Recommendation / Working Draft / Living Standard), organization, and official URL. Example: w3c_search({ query: “flexbox” }).

Parameters

Name	Type	Required	Description
`query`	string	yes	Keyword(s) matched against spec titles, e.g. “flexbox”, “accessibility”, “web components”.
`limit`	number	no	Max results 1-25 (default 10).

Example call

Arguments

{
  "query": "flexbox"
}

curl

curl -X POST https://gateway.pipeworx.io/w3c/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"w3c_search","arguments":{"query":"flexbox"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('w3c_search', {
  "query": "flexbox"
});

More examples

{
  "query": "web accessibility",
  "limit": 5
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "w3c": {
      "url": "https://gateway.pipeworx.io/w3c/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

w3c_search