Mozilla’s Marionette remote protocol exposes Firefox browser automation. For Codex, 1 route is explicitly documented by the integration maintainer.
Mozilla’s Marionette remote protocol exposes Firefox browser automation.
Platforms: Windows, macOS, Linux
The native interface is documented, but no setup for this coding agent is established by this source.
Firefox with Marionette enabled and a compatible automation client or driver.
Requires an explicit remote automation configuration and client; no named-agent setup is established by this source.
Microsoft’s Playwright MCP server automates supported browsers with structured page interaction tools.
Platforms: Windows, macOS, Linux
The maintainer documents Codex setup for this connection.
Node.js and a supported browser or Playwright-managed browser installation; existing Chrome/Edge sessions need the extension route.
Attaching an existing browser through the extension supports Chrome and Edge. Firefox uses the managed-browser route.
| Integration | Codex compatibility | Requirements |
|---|---|---|
| Firefox Marionette | Not documented | Firefox with Marionette enabled and a compatible automation client or driver. |
| Playwright MCP | Documented setup Setup guide | Node.js and a supported browser or Playwright-managed browser installation; existing Chrome/Edge sessions need the extension route. |
The sources establish the capabilities listed above, not complete application coverage. Check each bridge’s limitations and your application version before starting.
Choose a route that explicitly documents Codex and matches your environment. Start with the maintainer’s setup guide and a disposable project copy. Shared MCP support alone is listed as an inference.
All Firefox integrations