Causeway

Rust MCP server that gives AI assistants complete control of a real Chromium browser through CDP.

Causeway is a Rust binary that speaks MCP over stdio to an AI assistant and CDP over WebSocket to Chromium. It provides navigation, tab management, clicking, typing, form filling, screenshots, page reading, accessibility snapshots, JavaScript evaluation, cookie control, network monitoring, file downloads, PDF saving, device emulation, and more, with no extension, Node, or Python runtime.