Pinna

Pinna is a macOS app from Breukr that notices when a call app opens the microphone and records the call on its own, with no bot joining. Each meeting is stored locally as ordinary files, and Pinna's built-in MCP server lets AI agents such as Claude, ChatGPT, Codex and Cursor search and read those meetings. The site lists version 1.0.1 and requires macOS 26 or later.

What It Is

Pinna is an automatic call recorder that lives in the menu bar. It detects any app that opens the microphone, including Zoom, Microsoft Teams, Google Meet, FaceTime, WhatsApp, Slack, Discord and Webex. It records your side and the other side as separate audio files plus a mix. Transcripts are made on the Mac by default, using built-in Whisper, Parakeet, or Apple on-device speech depending on the hardware.

How It Records

Capture begins when the call app opens the microphone, but nothing is kept until others speak. After about 3 seconds of their voice, Pinna keeps the call from 15 seconds before they started. It stops after the call app releases the microphone, with a configurable wait of 45 seconds by default. If both sides are silent for 5 minutes, it asks before stopping. Calls where nobody joins go to the Trash with a short Undo.

Agent Access Over MCP

Pinna runs an MCP server locally on the Mac. It exposes twelve tools for searching meetings, reading transcripts and notes, listing action items, opening a moment in the recording, and checking recording status. Starting or stopping recordings and saving notes work only if the user allows them. Setup is a single step per agent app, covering Claude Desktop, Claude Code, Codex, ChatGPT desktop, Cursor, VS Code, LM Studio, Raycast, Gemini CLI, Windsurf, Zed, Goose and Hermes. An activity log shows what agents read, and meetings or apps can be hidden from them.

Files and Privacy

Each meeting is a folder under Documents/Pinna containing meeting.md, transcript.json, notes.json, per-side stems and the mix. AGENTS.md and an index file help other agents find them. Recording, transcripts, notes and the MCP server stay on the Mac. Audio or transcript text goes to a cloud service only when the user picks one and supplies their own key, after a consent prompt. Pinna states it has no account, analytics or bot. The FAQ notes that users should tell participants they are recording.