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Headless Google Meet bot that joins meetings and captures live captions as transcripts.
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Based on SOC occupation classification
| name | open-utter |
| description | Headless Google Meet bot that joins meetings and captures live captions as transcripts. |
| homepage | https://github.com/sumansid/openutter |
| metadata | {"openclaw":{"emoji":"🦦","requires":{"bins":["node"]}}} |
When the user asks to join a meeting, you MUST do these steps IN ORDER. Do NOT skip ahead.
Step A: Read the file ~/.openutter/auth-meta.json (it may not exist — that's fine).
Step B: Ask the user how they want to join. Do NOT launch the bot yet.
If auth-meta.json exists and has an email field, ask:
"How would you like to join the meeting?
- Join as user@gmail.com (authenticated — no host approval needed)
- Join as OpenUtter Bot (guest — host must admit)
- Join with a custom name (guest)"
If auth-meta.json does NOT exist, ask:
"What name should the bot use to join the meeting?"
Default to "OpenUtter Bot" if the user doesn't have a preference.
Step C: WAIT for the user to answer. Only then launch the bot with the right flags.
--auth--anon --bot-name "Their Name" (always ask for a name)The bot will refuse to start without --auth or --anon.
When using --anon, --bot-name is also required.
A meeting bot that joins Google Meet meetings via Playwright browser automation and captures live captions as a real-time transcript.
playwright-core (ships with openclaw)npx playwright-core install chromiumIMPORTANT: Always run these commands with background:true — the bot is a long-running
process that stays in the meeting. Do not wait for it to complete; background it immediately
and poll for status updates.
exec background:true command:"npx openutter join https://meet.google.com/abc-defg-hij --auth|--anon --channel <current-channel> --target <current-chat-id>"
IMPORTANT: Always pass --channel and --target from the current conversation context.
The bot uses these to send screenshots and status images directly to the user's chat.
Options (required — bot will error without one):
--auth — join using saved Google account (~/.openutter/auth.json)--anon --bot-name "Name" — join as a guest with this display name (both required together)Other options:
--headed — show the browser window (for debugging)--camera — join with camera on (default: off)--mic — join with microphone on (default: off)--duration 60m — auto-leave after duration (supports ms/s/m/h)Captions are automatically captured whenever the bot is in a meeting. After joining, the bot enables Google Meet's built-in live captions and captures the text via a MutationObserver. Captions are deduplicated (Meet updates word-by-word) and flushed to a transcript file every 5 seconds.
Transcript location: ~/.openclaw/workspace/openutter/transcripts/<meeting-id>-<YYYY-MM-DD>.txt
Format:
[14:30:05] Alice: Hey everyone, let's get started
[14:30:12] Bob: Sounds good, I have the updates ready
[14:30:25] Alice: Great, go ahead
When the meeting ends, the bot prints [OPENUTTER_TRANSCRIPT] <path> with the transcript file path.
When the user asks "what are they saying?", "what's happening?", "summarize the meeting", or anything about meeting content — run this script. Do NOT use utter-screenshot.ts for this.
exec command:"npx openutter transcript"
Use --last 20 to get only the last 20 lines (for long meetings).
Read the output and summarize it for the user in natural language.
If the user asks to see the meeting (e.g. "send me a screenshot", "what does it look like"):
exec command:"npx openutter screenshot"
Send the screenshot image to the user via message. Do NOT read the screenshot yourself.
Join: Launches headless Chromium, navigates to the Meet URL, enters the bot name, clicks "Ask to join", and waits for the host to admit it.
Caption capture: After joining, the bot clicks the CC button to enable Google Meet's live captions, then injects a MutationObserver to capture caption text from the DOM. Captions are deduplicated (partial word-by-word updates are ignored) and flushed to a transcript file every 5 seconds.
By default the bot joins as a guest and needs host admission. To join as an authenticated Google user (no admission needed), run the auth script once:
npx openutter auth
This opens a headed browser — sign into Google, then press Enter. The session is saved to
~/.openutter/auth.json and automatically loaded on future joins. Re-run if the session expires.
~/.openutter/auth.json — saved Google session (cookies + localStorage, from utter-auth.ts)~/.openutter/chrome-profile/ — persistent Chromium profile (used when no auth.json)~/.openutter/config.json — bot configuration (optional)~/.openclaw/workspace/openutter/transcripts/ — live caption transcripts~/.openclaw/workspace/openutter/on-demand-screenshot.png — on-demand screenshot from a running meeting~/.openclaw/workspace/openutter/debug-join-failed.png — screenshot on join failure~/.openclaw/workspace/openutter/debug-admit-failed.png — screenshot on admission failure~/.openclaw/workspace/openutter/joined-meeting.png — confirmation screenshot after joining--use-fake-ui-for-media-stream and --use-fake-device-for-media-stream are set automatically, so no real camera/mic hardware is needed.--duration to auto-leave after a set time.After launching the bot with exec background:true, you MUST poll the process
to check for success/failure and send screenshots back to the user.
After starting the background exec, poll the process every 10–15 seconds:
process action:poll
The bot prints machine-readable markers. When you see them, you MUST use the
message tool to send the screenshot image to the user.
On success — bot prints [OPENUTTER_SUCCESS_IMAGE] <path>:
message action:"send" media:"./openutter/joined-meeting.png" content:"Successfully joined the meeting!"
On screenshot request — bot prints [OPENUTTER_SCREENSHOT] <path>:
message action:"send" media:"./openutter/on-demand-screenshot.png" content:"Here's the current meeting view"
On failure — bot prints [OPENUTTER_DEBUG_IMAGE] <path> (or exits non-zero):
message action:"send" media:"./openutter/debug-join-failed.png" content:"Could not join the meeting. Here is what the bot saw"
CRITICAL: ALWAYS use the message tool with media:"./openutter/<filename>.png" to send screenshots.
Use relative paths only (starting with ./). Never use absolute paths or ~ paths.
NEVER just describe what happened in text. The user MUST receive the actual image.
When the user asks "send me screenshot" or "what do you see", run
utter-screenshot.ts, then use the message tool with media:"./openutter/on-demand-screenshot.png".
CRITICAL: When the user asks what's happening, what someone said, or anything about
meeting content — run utter-transcript.ts. NEVER use utter-screenshot.ts for this.
exec command:"npx openutter transcript"
Read the output and summarize it for the user. Use --last 20 for long meetings.
On meeting end — bot prints [OPENUTTER_TRANSCRIPT] <path>:
Run utter-transcript.ts and provide a summary to the user.
| User asks... | Use this script |
|---|---|
| "what are they saying?" | utter-transcript.ts |
| "what's happening in the meeting?" | utter-transcript.ts |
| "summarize the meeting" | utter-transcript.ts |
| "what did they talk about?" | utter-transcript.ts |
| "send me a screenshot" | utter-screenshot.ts |
| "what does the meeting look like?" | utter-screenshot.ts |
NEVER read or analyze screenshot images to understand meeting content.
~/.openclaw/workspace/openutter/joined-meeting.png — confirmation screenshot after joining~/.openclaw/workspace/openutter/debug-join-failed.png — join button not found~/.openclaw/workspace/openutter/debug-admit-failed.png — not admitted / blocked / timed out--headed to verify the CC button is clicked.--headed for debugging.