Under the hood
Useful1 Signal2
Running the Chrome extension's MCP server now logs how many browser tools were added, once per session.
What's wrong with this entry?
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What
Listing tools from an MCP server that runs over a local process and identifies itself as claude-in-chrome now records a tengu_chrome_tools_added event with the tool count and the discovery source, at most once per session. No flag guards it; it fires for anyone running the Chrome extension's MCP server.
Evidence
tengu_chrome_tools_added
Strings lifted out of the shipped bundle, so the claim above can be checked against them.