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Native macOS markdown notes where coding agents can propose edits you approve in the margin.
Grapha is a native macOS notes app built around plain markdown files that live in a folder the user controls rather than a proprietary database. Its paid feature lets coding agents such as Claude Code, Codex, or Cursor work inside the margins of a note, proposing edits and pulling in outside data while the user reviews and approves each change rather than granting the agent free rein. The markdown editor itself is free with no account required; the agent integration is a one-time $49 purchase after a 30-day free trial of that feature. It requires an Apple silicon Mac running macOS 14 or later, and appears to be built and maintained by an individual developer rather than a registered company, based on its minimal public footprint.
The markdown editor is free with no account required. Agent integration is a one-time $49 purchase, not a subscription, preceded by a 30-day free trial of that feature.
Use tool ↗Grapha's core idea, notes as plain markdown files you own with coding agents proposing rather than making edits directly, appeals to people who already distrust proprietary note databases and want AI help without losing control of their files. It is a narrow, single-platform tool: no Windows, Linux, iOS, or web version, and the agent feature only pays off if you are already using Claude Code, Codex, or Cursor.
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