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Claude Code

W3c for Claude Code

io.github.pipeworx-io/w3c

W3C MCP — web-standards lookup over w3c/browser-specs (GitHub, CF-reachable).

client:Claude Code transport:streamable-http

Install W3c in Claude Code

run in your project directory

claude mcp add --transport http w3c https://gateway.pipeworx.io/w3c/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

W3c in other clients