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Claude Code Chrome Extension Downloader extension_api_usage

How to: Claude Code Chrome Extension Downloader extension_api_usage

client:Claude Code transport:streamable-http tool:extension_api_usage

Add Chrome Extension Downloader to Claude Code

  1. 01

    Run this in your project directory.

claude mcp add --transport http mcp https://extensiondownloader.com/api/mcp
  1. 02

    Restart your session so the server is picked up.

  2. 03

    Ask for something extension_api_usage does. Claude Code lists the server's tools on connect and calls extension_api_usage itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that Chrome Extension Downloader's identifier in your config matches the one above exactly.

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

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 11 November 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.