Notes from building lognote.

• June 8, 2026 · Under the hood

  Rewriting Our Engine with Anthropic's Claude Opus 4.8 and Dynamic Workflows

  We rewrote lognote's transcription and summarization engine from Python to Swift one module at a time — built with Anthropic's Claude Opus 4.8 through Claude Code and dynamic multi-agent workflows, with the old pipeline kept as a byte-for-byte reference and a separate frontier model reviewing every PR. Here is what that actually looked like, including the bug that survived a green test suite, a code review, and an integration test.

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• June 8, 2026 · Under the hood

  Going Native: A 67MB Binary, On-Device Models, and Cleaner Transcripts

  We replaced lognote's ~1.2GB Python stack with a single 67MB native binary. Transcription and summaries both run on-device through Apple's frameworks, your meeting audio still never leaves your Mac, the transcripts came out cleaner — and as a bonus the engine now runs on roughly twelve more macOS versions than before.

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• May 28, 2026 · Essays

  Bring Your Own Key, Forever

  lognote summarizes with a provider you choose, billed to you, on a key you hold. That's a permanent architectural commitment, not a launch promo.

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• May 28, 2026 · Essays

  Why Meeting Transcription Should Stay on Your Mac

  The default for every meeting tool is to upload your audio to a server. lognote starts from the other side of that default.

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• May 28, 2026 · Under the hood

  Capturing Both Sides of a Zoom Call Without a Bot

  How a Mac can record both the mic and system audio into one dual-track file without anyone joining your call.

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