Codex writing assistant for Mac

Write Codex instructions faster without losing the thread.

SpellType helps you finish task prompts, follow-up instructions, and review notes inline while you type in Codex. It is for the small bits of written direction that keep agent work moving.

Join early access Codex support is for the native Mac app.

Built for agent instructions

Task prompts

Turn a rough intent into a clear instruction without pausing to compose the whole request elsewhere.

Follow-ups

Write the next correction, constraint, or clarification while the Codex thread is still in front of you.

Review notes

Leave sharper comments on diffs, implementation choices, and test results with less repeated phrasing.

Native app support

Codex is a native Mac app in SpellType's launch focus. SpellType works inline in the app while you write prompts, follow-ups, and notes.

Why use SpellType with Codex?

Problem SpellType helps by
Task prompts start vague Suggesting useful next words once you begin the instruction.
Follow-ups get repetitive Completing common constraints, corrections, and review language.
Context switching slows agent work Keeping writing assistance inside Codex instead of a separate drafting flow.
Privacy concerns Using a Mac-first local autocomplete approach for work text.

Related pages

Make Codex prompting less repetitive.

Join early access and tell us how much of your day happens in Codex.

Join early access