An orange aircraft flight recorder with a black band around its middle, drawn in comic style.

Flight recorder for AI

The black box and the brakes for everything you do with AI.

Scroll to open it

A desk at night. On the laptop screen an AI chat message has its API key covered by a black bar and a notice reads: API key detected, masked.

01 · Your secrets Browser extension · in development

A brake before you press send.

Passwords, API keys, ID numbers and bank details are caught before they reach ChatGPT, Claude, Gemini or your coding agent, with one click to mask them. It all runs on your machine.

900,000 people had their AI chats stolen by fake browser extensions. Source

A cockpit dashboard: a gauge labelled agent spend rate, a small robot looping in a hamster wheel and an emergency brake lever being pulled, with the word CRANK.

02 · Your budget guard · roadmap

Brake runaway spend.

Agents that loop for hours, subagents that multiply, plans that run out on Tuesday. blackbrake learns what normal looks like for you and warns or stops an episode that runs away. Every brake leaves a line in the flight log.

60% of organisations overspent their AI agent budget this year. Source

A cartridge reader labelled blackbrake audit scans MCP, skill and extension cartridges. One is marked with hazard stripes and a cable leaks out of the window with a tag: reads your AI chats.

03 · What you load Available in the CLI · npx blackbrake audit

Know what your AI can see and run.

Skills, MCP servers, plugins and browser extensions: what is installed, what you never use but still load on every turn, and what could read or leak your data. Read-only: nothing is executed to check it.

82% of enterprises have AI agents running that nobody knows about. Source

An open-plan office in miniature. Orange cables run from every desk to one small orange box, the hub. A board reads Transparency and a sticker reads no cloud, your hardware.

04 · Your office Office hub · roadmap

One dashboard. No prompts collected.

Connect everyone's blackbrake to a machine you own. The office sees what was prevented, which AI tools are in use and what they cost, in aggregate. Each person sees their own data. Nobody sees anybody's prompts, and there are no rankings.

52% of employees use AI tools without approval. Source

Early access

Use AI without giving away your secrets or your budget.

blackbrake stops keys and personal data before they leave, brakes runaway agent spend, shows what your AI tools load and gives your office one private dashboard. One app for your browser, your machine and your office. Local by default, open source, free protection for everyone.

Have an invitation? The product preview is sealed: you enter with your email and a one-time code.

Enter the preview

No content the text of your prompts is never stored or sent
No network by default the CLI and the extension have no server to talk to
No hidden code open source, verifiable releases
No surveillance offices get aggregates, never rankings