Your AI tools, with a seatbelt and a memory.
Alpha Harness stops dangerous commands before they run, keeps your rules across every session, and never sends your code anywhere.
git push origin main --forceRule: no direct push to main. Open a pull request instead.
Illustration. The latency is the measured p95 of a real check on an M2 Pro, Sep 5, 2026.
Works with
The tools you already use.
- Claude Code
- Gemini CLI
- Codex
- Cursor
- Antigravity
- Hermes Agent
- Aider
One install finds each of them and writes your rules where that tool reads them.
What it does
Three promises.
Stops bad commands
A force-push, a dropped table, an overwritten .env: refused on your machine before the shell runs it.
20 ms, measuredRemembers your rules
Write your conventions once. They load into Claude Code, Cursor, Codex and Gemini CLI every session.
Plain Markdown, on your diskKeeps your code at home
No cloud, no upload, works offline. Whatever it does send is printed in full on the Privacy screen.
Switch off any of it, any planPricing
Free to start. One price, locked.
The first 100 customers keep this rate for as long as they stay. 30-day money-back guarantee.
- One workspace
- Every guardrail, every tool
- Memory that survives every session
- Your own AI key, or local models
- Anonymous usage data, switch off any time
Everything that protects your work is free and always will be. Paying adds workspaces and machines, not more safety.
- Unlimited workspaces
- Up to 3 of your own machines
- This price never increases. Ever.
- Direct line to the founders
Card, PayPal, Apple Pay, Google Pay. VAT at checkout. Bank transfer is invoiced by FREEDOM LABS LTD, usually the same day.
- Everything in Founding, for every seat
- One shared set of rules across the team
- Add and remove people yourself
- Up to 3 machines per person
- One invoice, one renewal date
Billed monthly, cancel any time. VAT at checkout. Bank transfer is invoiced by FREEDOM LABS LTD, usually the same day.
- Everything in Teams, at any size
- Volume pricing, the rate drops with scale
- Invoicing on your terms
- Rules managed centrally for every developer
- A named person to call
Tell us how many people and which tools they use. A number comes back the same day. Or email support@alphaharness.xyz.
30-day money-back guarantee · cancel any time · invoice and bank transfer available · refer someone, earn 30%
Questions
Before you install.
No. The guard is a compiled hook measured at 20 ms at the 95th percentile on an M2 Pro. You will not notice it.