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freema/firefox-devtools-mcp

v0.9.3 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

claude-code firefox mcp mcp-server

Summary

AI summary

Package renamed from firefox-devtools-mcp to @mozilla/firefox-devtools-mcp

Full changelog

Added

  • New @mozilla/firefox-devtools-mcp-moz npm package with privileged context support enabled by default
  • --profile-path now uses a dedicated subfolder to avoid corrupting existing profiles, and warns when reusing a profile that already exists

Fixed

  • Profile reuse warnings are now surfaced as MCP errors so AI assistants can see them
  • Network debug command now uses statusMin=400 instead of status="failed" to correctly match 4xx/5xx responses
  • Docker image now creates the user home directory

Changed

  • Package renamed from firefox-devtools-mcp to @mozilla/firefox-devtools-mcp
  • License changed to dual MIT OR Apache-2.0
  • Reduced emoji usage in MCP log messages

Breaking Changes

  • Package name changed from firefox-devtools-mcp to @mozilla/firefox-devtools-mcp

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About freema/firefox-devtools-mcp

Firefox browser automation via WebDriver BiDi for testing, scraping, and browser control. Supports snapshot/UID-based interactions, network monitoring, console capture, and screenshots.

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Beta — feedback welcome: [email protected]