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SAY NO TO AI SLOP ARCHITECTURE

AI software engineering,
built for teams.

Prompt-and-pray shipped fast and left teams with debt and an architecture nobody owns. Invariant puts your team back in charge of every plan, change and review, with the AI tools you already use.

Get Invariant Why Invariant

Illustration of the Invariant local workspace: a sessions list where teammates approve plans and review the work that Codex or Claude Code carries out.

ILLUSTRATIVE LOCAL WORKSPACE

Remember why
you build.

A design that holds. A change you can explain.

Imagine. Try. Discover.

That moment
when it clicks.

A hard problem. The rush when it works.

More work to trace. More decisions to recover.

When output outruns
understanding.

Output outruns understanding. Scope disappears into prompts.

Make it work. Know how it works.

The satisfaction
of knowing why.

Know the trade-off. Own the decision.

WHAT VIBE CODING LEFT BEHIND

Fast output. Slow damage.

  1. Debt piles up
    faster than features.

  2. Architecture drifts.
    Nobody decided.

  3. Reviews drown in diffs
    nobody planned.

HOW IT WORKS

Give good engineering
a place to happen.

Your team decides. Agents do the work. Every step stays on the record.

  1. 1InterviewTeam and agents

    Agents ask. Your team answers.

  2. 2AgreementYour team

    Everyone agrees on the outcome.

  3. 3PlanAgents

    The approach, written before the code.

  4. 4ApprovalYour team

    Nothing runs until a person approves.

  5. 5ExecutionAgents

    Agents build. Every step leaves a trace.

  6. 6ReviewTeam and agents

    Specialists find. People own the decisions.

CAPABILITIES

A process you can inspect and make your own.

  • Guidance with a source of truth.

    Versioned instruction packages, materialized for every tool you use.

  • Your harness. A shared process.

    Claude Code, Codex, Cursor and more. One workflow for all.

  • Reviews with evidence and ownership.

    Specialist reviewers raise findings. Your team decides what ships.

  • Context you can navigate.

    Codegraph, docs and every decision, kept in your repo.

Guidance with a source of truth.

Versioned instruction packages, materialized for every tool you use.

Your harness. A shared process.

Claude Code, Codex, Cursor and more. One workflow for all.

Reviews with evidence and ownership.

Specialist reviewers raise findings. Your team decides what ships.

Context you can navigate.

Codegraph, docs and every decision, kept in your repo.

Free on your machine. Pro for your team.

Sessions, plans and reviews are plain files in your project — no account needed.

Pro adds the team workspace: shared projects, reviews together, one project brain.

Start your team on Pro

Make something new.
Make it yours.

Download Invariant Read the docs