Drives a browser - or a native Expo/React Native app - and your dev server, putting both on one correlated timeline so a console error and the backend stack trace from the same moment line up. For Claude Code and AI agents.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
process.env. You'll be asked to provide them before it can run.DEVLOOP_ACTION_TIMEOUT— 10000 Cap (ms) on interactions — a wedged page fails fast instead of hanging.DEVLOOP_CHROME_PATH— _(bundled)_ Explicit Chrome executable path.DEVLOOP_DEV_CMD— / DEVLOOP_DEV_CWD _(none)_ Optional dev-server auto-start on boot (normally use dev_start).DEVLOOP_DEV_CWD— DEVLOOP_DEV_CMD / _(none)_ Optional dev-server auto-start on boot (normally use dev_start).DEVLOOP_HEADLESS— false "true" runs Chrome headless; default headful so you can watch.DEVLOOP_HOME— ~/.devloop Registry location.DEVLOOP_HTTP_PORT— The cockpit serves the same tools over MCP-over-HTTP (stateful sessions). It auto-picks a free port starting at (default 7333) and logs the URL. Point Claude at the running cockpit:DEVLOOP_LOG_CAPACITY— 5000 Max buffered events.DEVLOOP_NAV_TIMEOUT— 30000 Cap (ms) on navigations.DEVLOOP_NET_RINGDEVLOOP_NET_THRESHOLD— 400 Log network responses with status >= this (failures always logged).DEVLOOP_NO_ANDROID_LOGCATDEVLOOP_NO_ANDROID_STREAMDEVLOOP_NO_SANDBOXDEVLOOP_SELFTESTDEVLOOP_URLELECTRON_DISABLE_SECURITY_WARNINGSSHELL[](https://m8ven.ai/mcp/vincentvella-devloop-r64wqu)