trnscrb

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Introduction:
Local, private macOS meeting transcription tool with Whisper-powered offline processing and Claude integration.
Added on:
Feb 25 2026
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trnscrb Product Information

What is trnscrb?

trnscrb is a local meeting transcription tool for macOS that lives in the menu bar and automatically detects meetings on platforms like Zoom, Google Meet, Microsoft Teams, Slack, and FaceTime. It utilizes OpenAI's Whisper model to perform on-device transcription via Apple Silicon Metal acceleration, ensuring that no audio or transcript data is sent to the cloud. The tool integrates with Claude Desktop through the Model Context Protocol (MCP), allowing users to search, summarize, and extract action items from their meeting history directly through the Claude interface. It saves transcripts as plain .txt files with speaker diarization and requires no account or subscription.

How to use trnscrb?

Users can install trnscrb via Homebrew using 'brew install trnscrb' or via Python's pip. After installation and setup (which includes installing the BlackHole audio driver for system audio), the app sits in the macOS menu bar. It automatically begins recording when it detects a meeting app running with an active microphone. Once the meeting ends, it transcribes the audio locally and saves the file to the '~/meeting-notes/' folder, where it can be accessed or queried via Claude Desktop.

trnscrb's Core Features

Automatic meeting detection for major platforms (Zoom, Meet, Teams, Slack, FaceTime)

On-device transcription using Whisper on Apple Silicon (Metal acceleration)

Claude Desktop MCP integration for natural language search and summarization

Local-first privacy with no cloud, no accounts, and no subscriptions

Speaker diarization for identifying different participants

Plain text storage for easy data ownership and portability

trnscrb's Use Cases

#1

Transcribing sensitive business meetings without uploading audio to third-party servers

#2

Automatically generating action items from a daily standup using Claude

#3

Searching across months of meeting history to find specific mentions of a project or person

#4

Capturing both microphone and system audio for comprehensive call records

FAQ from trnscrb

Does it need an internet connection?

Which meeting apps are detected?

Is my audio or transcript data sent anywhere?

What is BlackHole and do I need it?

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trnscrb: Local, private macOS meeting transcription tool with Whisper-powered offline processing and Claude integration.
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