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Turn your local Antigravity desktop application into a programmable AI node via Chrome DevTools Protocol (CDP). This allows you to compose complex LLM workflows entirely through the terminal by manipulating the actual UI natively, bypassing any API restrictions.
Start the Antigravity desktop app with the Chrome DevTools remote-debugging-port flag:
# Start Antigravity in the background
/Applications/Antigravity.app/Contents/MacOS/Electron \
--remote-debugging-port=9224Depending on your installation, the executable might be named differently, e.g.,
Antigravityinstead ofElectron.
Then set the target port:
export OPENCLI_CDP_ENDPOINT="http://127.0.0.1:9224"Check the Chromium CDP connection. Returns the current window title and active internal URL.
Send a text prompt to the AI. Automatically locates the Lexical editor input box, types the prompt securely, and hits Enter.
Scrape the entire current conversation history block as pure text.
Click the "New Conversation" button to instantly clear the UI state and start fresh.
Dump the current DOM and snapshot artifacts to /tmp for reverse-engineering and selector debugging.
Extract any multi-line code blocks from the current conversation view. Ideal for automated script extraction (e.g. opencli antigravity extract-code > script.sh).
Quickly target and switch the active LLM engine. Example: opencli antigravity model claude or opencli antigravity model gemini.
A long-running, streaming process that continuously polls the Antigravity UI for chat updates and outputs them in real-time to standard output.
Start an Anthropic-compatible /v1/messages proxy server backed by the local Antigravity desktop app.
opencli antigravity serve --port 8082
opencli antigravity serve --timeout 300
OPENCLI_ANTIGRAVITY_TIMEOUT=300 opencli antigravity serve--port <port>: HTTP listen port, default8082--timeout <seconds>: maximum time to wait for one reply before returning a timeout error, default120OPENCLI_ANTIGRAVITY_TIMEOUT: default timeout in seconds when--timeoutis not provided
Runtime notes:
- reply polling only reconnects on session-loss style CDP errors such as closed/lost websocket connections
- reconnect attempts are bounded; DOM/logic errors are surfaced directly instead of being retried as reconnects