Letter
Letter's ⌘L lets your team type over, move, circle or talk through changes on your live website, then Letterpress-1, Claude or GPT turns them into one pull request with a preview, A/B test or auto-merge. Part of Letter's coding agent for growth engineering; from $25/month.
About Letter
Letter: edit your website with ⌘L, ship it as a pull request
Letter is a growth platform built around Letterpress-1, a coding agent for growth engineering. Its ⌘L feature lets your team edit the live site in place and turns every change into a pull request against your real code.
How ⌘L works
- Open it: press ⌘L (Control+L in Safari, Ctrl+L on Windows/Linux, or a #letter link) on any page running the Letter script; team sign-in required.
- Change anything: type over text, move and resize elements, circle an area, record your screen for up to three minutes, or just describe the change.
- Ship it: all edits go into one list and one pull request, made by Letterpress-1, Claude or GPT; optional auto-merge waits for checks and fixes failures.
- More than edits: A/B Test mode turns edits into variant B; Data mode shows what people and AI agents click and how far they scroll.
The wider platform
Letterpress-1 builds, plans and fixes growth work (comparison pages, structured data, broken links) via pull requests, from the app, Slack, the letterpress CLI, preview links or any MCP-capable agent (760 tools over MCP/REST).
Pricing
- Hobbyist: $25/month, 2,500 tokens
- Basic: $100/month, 10,000 tokens
- Starter: $500/month, 50,000 tokens
- Growth: $1,000/month, 130,000 tokens
Every account starts with 1,000 free tokens (up to 2,000), no card required.
Value & Audience
Value Proposition
Anyone on the team can change the live marketing site by pointing at it, while every change still lands as a reviewed pull request in the site's own repository.
Problem Solved
Small website changes need a ticket and an engineer, and visual site builders solve that only by moving content out of the codebase where it drifts from the real site.
Tech Stack
Social & Links
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Gallery
Feedback & Roadmap
Letter FAQ
Common questions about Letter's features, pricing, and use cases
Is Letter free to use?
No. Letter is a paid product, starting at Hobbyist - $25/month - 2,500 tokens/month; $50 per 1,000 past the pool. Plans listed: Hobbyist - $25/month - 2,500 tokens/month; $50 per 1,000 past the pool; Starter - $500/month - 50,000 tokens/month (Basic $100/10,000 tokens also available); Growth - $1,000/month - 130,000 tokens/month, Slack Connect support (Scale $2,500/400,000 tokens; Enterprise from $10,000/month).
What are some alternatives to Letter?
Popular Developer Tools alternatives to Letter include CodeSpy, DevOp and Global TTFB Checker.
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