AssemblyAI Transcriber

Transcribe audio files with speaker diarization (who speaks when). Supports 100+ languages, automatic language detection, and timestamps. Use for meetings, interviews, podcasts, or voice messages. Requires AssemblyAI API key.

Audits

Pass

ClawScanPass

Agentic behavior and permission review.

Static analysisPass

Pattern checks against bundled files.

VirusTotalPass

Multi-engine malware detections and file reputation.

Install

openclaw skills install assemblyai-transcriber

AssemblyAI Transcriber 🎙️

Transcribe audio files with speaker diarization (who speaks when).

Features

✅ Transcription in 100+ languages
✅ Speaker diarization (Speaker A, B, C...)
✅ Timestamps per utterance
✅ Automatic language detection
✅ Supports MP3, WAV, M4A, FLAC, OGG, WEBM

Setup

Create AssemblyAI account: https://www.assemblyai.com/
Get API key (free tier: 100 min/month)
Set environment variable:

export ASSEMBLYAI_API_KEY="your-api-key"

Or save to config file:

// ~/.assemblyai_config.json
{
  "api_key": "YOUR_API_KEY"
}

Usage

Transcribe local audio

python3 scripts/transcribe.py /path/to/recording.mp3

Transcribe from URL

python3 scripts/transcribe.py https://example.com/meeting.mp3

Options

python3 scripts/transcribe.py audio.mp3 --no-diarization  # Skip speaker labels
python3 scripts/transcribe.py audio.mp3 --json            # Raw JSON output

Output Format

## Transcript

*Language: EN*
*Duration: 05:32*

**Speaker A** [00:00]: Hello everyone, welcome to the meeting.
**Speaker B** [00:03]: Thanks! Happy to be here.
**Speaker A** [00:06]: Let's start with the first item...

Pricing

Free Tier: 100 minutes/month free
After: ~$0.01/minute

Tips

For best speaker diarization: clear speaker changes, minimal overlap
Background noise is filtered well
Multi-language auto-detection works reliably

Author: xenofex7 | Version: 1.1.0