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BigMarc f5faa27f88 GrammaGem — open-source, on-device macOS writing assistant

Native SwiftUI menu-bar app: global hotkey → capture selected text (AX API /
clipboard fallback) → grammar (Harper) / local AI (MLX) → replace in place.
Free/paid entitlement gate + Lemon Squeezy device-cap licensing, $0 marginal
cost per user. Heavyweight engines behind protocol stubs so it builds out of the box.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-16 13:56:26 +02:00

email.json

GrammaGem — open-source, on-device macOS writing assistant

2026-06-16 13:56:26 +02:00

polish.json

GrammaGem — open-source, on-device macOS writing assistant

2026-06-16 13:56:26 +02:00

README.md

GrammaGem — open-source, on-device macOS writing assistant

2026-06-16 13:56:26 +02:00

README.md

Built-in Writing Modes

Each Mode is a named system-prompt preset for the local LLM. The canonical, compiled definitions live in Sources/GrammaGem/AI/ModeRegistry.swift; these JSON files mirror them for transparency and easy editing.

Mode	Tier	In public repo?
`polish`	Free	✅ Yes — the open free core
`email`, `post`, `slack`, `academic`, `code`	Paid	Baseline prompts only

Soft deterrent (spec §5): ship the fully-tuned paid-mode prompts only in the signed release build, not in the public repository. The free polish mode is fully open. Custom user Modes (paid) are stored locally per user.