Which of Your Functions Are Provably Correct? Now You Know.

Introducing the BRIK64 Lifter

You have a codebase. Thousands of functions. Some you wrote last year. Some a contractor wrote. Some an AI generated at 2 AM while you were asleep. They all work — probably. Tests pass — mostly. Code review happened — sometimes. And every single one of them is a liability waiting to detonate.

Here is the question nobody in this industry has the courage to ask: which of your functions are mathematically correct?

Not "tested." Not "reviewed." Not "it works on my machine." Correct. As in: provably, formally, impossible to produce wrong output for any input in the universe.

Until today, answering that question required rewriting your entire codebase in a specialized formal language. A language nobody on your team knows. A process nobody has time for. A cost nobody can justify.

Today, all of that changes.

Meet the Lifter

The BRIK64 Lifter is a reverse compiler. You point it at your existing JavaScript, TypeScript, Python, Rust, C, Go, or any of 10 supported languages — and it analyzes every single function:

$ brikc lift src/utils.js

⚡ Lifting src/utils.js (JavaScript)...

Summary: 8/12 functions liftable (1 partial, 3 unliftable)
Overall score: 72%

  ✓ LIFTABLE  calculateTotal    — 100%
  ✓ LIFTABLE  formatCurrency    — 100%
  ✓ LIFTABLE  validateEmail     — 95%
  ✓ LIFTABLE  fibonacci         — 100%
  ✗ BLOCKED   fetchFromAPI      — side effect: network request
  ✗ BLOCKED   writeToFile       — side effect: filesystem
  ✗ BLOCKED   updateDOM         — side effect: DOM mutation

No configuration. No annotations. No rewriting. No learning a new language. Just point it at your code and watch.

What Happens Behind the Scenes

The Lifter does three things, and it does them instantly:

1. Analyzes each function for "liftability"

It examines whether a function is pure — deterministic, no side effects, no external dependencies. Pure functions can be mathematically certified. Impure ones cannot. And the Lifter tells you exactly why, down to the specific line.

2. Converts liftable functions to PCD blueprints

PCD (Printed Circuit Description) is the language where every program is a verified circuit blueprint. The Lifter translates your logic into PCD automatically. You do not need to learn PCD. You do not need to change a single line. The Lifter speaks both languages fluently.

3. Generates a liftability report

You get a complete X-ray of your codebase: what percentage is mathematically verifiable, what is not, and exactly what is blocking each function from certification. Think of it as a health report for your software.

A Real Example

Let me show you. Take this simple utility file that exists in every project on Earth:

// utils.js

function add(a, b) {
  return a + b;
}

function clamp(value, min, max) {
  if (value < min) return min;
  if (value > max) return max;
  return value;
}

async function fetchUser(id) {
  const res = await fetch(`/api/users/${id}`);
  return res.json();
}

Run the Lifter:

$ brikc lift utils.js

⚡ Lifting utils.js (JavaScript)...
  ✓ LIFTABLE add     — 100%
  ✓ LIFTABLE clamp   — 100%
  ✗ BLOCKED  fetchUser — async function (non-deterministic)

2 circuits lifted, 3 functions analyzed

add and clamp are now certified PCD blueprints. Mathematically proven correct for every possible input. fetchUser cannot be lifted because network requests are inherently non-deterministic — and the Lifter tells you that upfront, with the exact reason. No surprises. No ambiguity.

Now Export to Any Language — with Tests

The blueprints are certified. Now here is the magic — generate production code in any of 14 target languages:

# Export to Rust
$ brikc build add.pcd --target rust
  ✓ Generated: add.rs
  ✓ Generated: add_test.rs (4 test cases)

# Export to Python
$ brikc build clamp.pcd --target python
  ✓ Generated: clamp.py
  ✓ Generated: test_clamp.py (6 test cases)

The tests are auto-generated from the blueprint's mathematical certification. They are not guesses. They are not heuristics. They cover every verified behavior path because the compiler already proved them.

What This Means for Your Codebase

Now scale it. Run the Lifter across your entire project:

$ find src -name "*.js" -exec brikc lift {} \;

You will get a complete map of your codebase's mathematical verifiability. Teams consistently find that 60-80% of their utility functions are liftable. That is 60-80% of your core logic that can be mathematically proven correct — without changing a single line of code. Without learning a new language. Without hiring a formal methods team.

The Functions That Cannot Be Lifted Are Fine

Not everything needs mathematical certification. Network requests, DOM manipulation, file I/O — these are inherently side-effectful. The Lifter does not judge them. It simply draws a clear, honest boundary between what is provable and what is not.

Here is the insight that changes everything: most business logic — validation, calculation, transformation, parsing — is pure. And pure means certifiable. The code that actually makes your decisions, handles your money, controls your devices — that code can be proven correct today.

Get started

# Install
curl -fsSL https://brik64.dev/install | sh

# Analyze your code
brikc lift src/utils.js

# See the full report
brikc lift src/utils.js --format json

Your code already exists. Now you finally know which parts are bulletproof — and which parts are a prayer.