Vibe code on your existing codebase

Grow your codebase
without drowning in complexity

FirstMate's AI coding agent understands your codebase and builds upon it. Anyone in your team can build, iterate, and deploy changes safely, while your engineers focus on hard problems.

The problem

Your platform’s complexity grows faster than your team

What started as a tight, lovable product turns into a web of features, services, and dependencies. New ideas get buried under fear of breaking things, and onboarding becomes a crash course in chaos.

Founders blocked by code complexity

  • You can’t try simple changes without pulling in senior devs.
  • Knowledge lives in scattered code and busy minds.
  • Your speed slows just when the market heats up.

Team focus diluted

  • Senior engineers spend time answering basic platform questions.
  • Complexity steals focus from solving the hard, valuable problems.
  • Backlogs fill with investigations instead of innovation.

Small tweaks feel risky

  • Impact of a simple change is hard to predict.
  • No clear view of what connects to what.
  • Every change requires careful hand‑holding from senior devs.

Scaling stalls

  • The team avoids touching older code.
  • Context gathering delays shipping.
  • Competitors move faster while you slow down.
Our process

Clarity for the complex, freedom for the simpleSo everyone works at their best

FirstMate continuously maps your code into functional domains, flows, and steps—so your team can focus on deep engineering work, while founders and product leads can safely explore and apply smaller functional changes themselves.

1

Connect your repositories

Link GitHub, GitLab, Bitbucket, or Azure DevOps and select the repos to analyze.

2

Map functional logic

FirstMate finds domains, events, validations, side effects, and cross‑service links—turning code into a navigable mental model.

3

Organize for clarity

Flows are grouped by domain and broken into exact steps with code references.

4

Empower small safe changes

Non‑critical functional changes can be made directly from the map—instantly applied to your codebase without bottlenecking senior engineers.

5

Free devs for the hard problems

With routine tweaks handled, your dev team can focus on scaling architecture and solving complex technical challenges.

6

Stay fast at scale

Every merge updates the map, docs, and safe‑change tooling so nothing goes stale.