w3c_search
Pack: w3c · Endpoint: https://gateway.pipeworx.io/w3c/mcp
Search W3C web-standards specifications by keyword or topic — the primary discovery tool for W3C specs. Covers HTML, CSS, WCAG accessibility guidelines, DOM, SVG, WAI-ARIA, WebAuthn, web components, and every other W3C standard. Answers “which W3C spec defines flexbox”, “find the accessibility guidelines”, “what is the CSS grid specification”, “aria spec”, “webauthn standard”. Returns matching specs with shortname, title, current status, and the TR (Technical Report) URL. Example: w3c_search({ query: “css grid” }) or w3c_search({ query: “accessibility” }).
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
query | string | yes | Keyword or topic to match against spec titles, e.g. “flexbox”, “accessibility”, “web components”, “css grid”, “aria”, “webauthn”. Multiple words are ANDed. |
limit | number | no | Max specs to return, 1-50 (default 10) |
Example call
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":{}}}'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.