The production floor for AI-written software
Validea is an opinionated Elixir framework where login, organizations, permissions, billing, admin, i18n and AI are already built and already tested β wrapped in a guardrail harness your coding agent cannot talk its way around. Vibe-code at full speed. Ship something you can still maintain in a year.
$ mix precommit
β compile --warnings-as-errors
β deps.unlock --check-unused
β coveralls 1,561 tests
β hex.audit
β format --check-formatted
β gettext.extract --check-up-to-date
β js.check
β credo --strict
β sobelow
β ex_dna --max-clones 0
β reach.check --arch --smells --strict
β dialyzer
all gates passed β safe to commit
The trade nobody mentions
There are three ways to start a serious product right now, and every one of them bills you later.
Prompt-to-app tools are astonishing for ninety minutes. Then you need a real permission model, a webhook that retries, an audit trail, a second language β and you find the export button hands you a codebase no engineer will agree to maintain.
A starter kit is a snapshot of somebody's opinions on the day they zipped it. Six months later the framework moved, the auth library moved, half the packages moved β and you are the one holding the migration.
Start clean and the first two months go to login, teams, roles, billing, an admin panel and an invite flow β the same two months everyone else is spending β before a single line that is actually your product.
How Validea works
Speed is not the hard part any more β every model is fast. What decides whether you have a product in six months is what happens between the prompt and the deploy.
One instruction file it reads first, a component library it is told to extend rather than reinvent, and twelve blocking gates that fail the build when it improvises anyway.
Auth, organizations, roles, billing, entitlements, admin, search, notifications, i18n, a JSON API, background jobs and a full AI layer. Built once, tested, and yours to change.
On the BEAM a bad code path takes down one request, not the server. Whole categories of bug your agent loves to write cannot be expressed in the first place.
The harness
Instructions alone are a suggestion. Validea pairs them with gates that do not negotiate: if the agent improvises, the build stops.
No defensive code against data we control.
what an unguided agent writes
def org_name(org_id), do: org_name(Orgs.get_org!(org_id))
def org_name(%Org{name: nil}), do: {:error, :unnamed}
def org_name(%Org{name: name}), do: namewhat Validea tells it to write
def org_name(%Org{name: name}) when is_binary(name), do: nameTwelve gates. No baseline, no exceptions file, no βwe'll clean it up laterβ. Your agent satisfies every one of them or it does not get to commit.
What's in the box
Two of these are the reason people will buy Validea. The rest are the reason they'll keep it.
If your product sells AI
The prompt is the easy part. The hard part arrives six weeks in, when someone asks what actually happened: which model, which tools it called, how many attempts it took, what it cost, and why that one customer's request failed. Validea records every run, step, attempt, tool call and artifact by default, behind an admin surface built for reading rather than archaeology.
The part everyone underestimates
Nobody is impressed by billing until it is wrong, and then nothing else matters. This is the version you would write on your third attempt: the provider sits behind a behaviour, every webhook is verified, stored and processed in the background with retries, and what a customer may do is a grant you can query β not a subscription status re-derived in six different places.
Why Elixir
Nobody was ever fired for picking the language with the most tutorials. But you are not buying tutorials β you are buying the odds that the code your agent wrote at 2am is still standing at 2pm.
No shared mutable state. No null. No accidental race between two requests touching the same object. A function declares the exact shape it accepts and crashes loudly on anything else β so a wrong assumption surfaces in the first second, not in week three.
Processes are isolated and supervised. The bad path dies, restarts, and the other ten thousand users never find out. On most stacks an unhandled exception is an incident with a postmortem attached.
Realtime, background jobs, pub/sub, caching, scheduling and presence are in the runtime. No cache server, no queue service, no socket tier, no third-party cron. Every piece you don't operate is a piece your agent can't misconfigure.
No REST layer to keep in sync with a client, no client-side store, no serialization boundary, no loading-state bugs. State lives in one place, on the server, in one language β which is also the only way an agent keeps it consistent.
The popular stack asks your agent to write four codebases β the server, the client, the types between them, and the contract they both lie about β and keep them in sync forever. Validea asks it to write one.
The alternatives
No names β you already know which is which, and the differences are structural, not brand-deep.
Receipts
Every number here comes out of the repository you would be buying, not out of a marketing meeting.
The page you are reading is a Validea page. Same components, same gates, same test suite.
Where the opinions came from
Validea did not begin as a framework. It began as the fourth time I rebuilt the same login, the same teams, the same billing and the same admin panel β and finally admitted that the part I kept rewriting was the real product.
Four products, shipped and run in production, with real customers and real invoices and real 3am incidents. Every default in here is a decision that went badly at least once before it went right. That is the part you cannot buy from a template, and it is most of what you are paying for.
Distilled from
What it replaces
This is the work that stands between a blank repository and the first line of code that is actually your product.
Validea is priced high on purpose. It is aimed at people whose next eight months cost considerably more than a licence.
See pricingObjections
Neither does most of the code you are about to ship β your agent writes it. What matters is whether the framework catches the agent when it is wrong, and Elixir is the reason it can. You will read far more of it than you write, and it reads like prose.
It is a smaller pool of considerably better applicants, and they want the job. You will also need fewer of them: one language covers what usually takes four services and two teams.
You can, and it is a fine framework. You will spend the first two months rebuilding what is already in the box, and at the end of it you still won't have the harness β that part is years of taste, not weeks of typing.
It is built for any agent that reads an instructions file β the popular ones all do. The rules live in that file; the enforcement lives in one command that runs whether the agent cooperates or not.
Entirely. It is your repository, with no runtime dependency on us, no hosting lock-in and no per-seat tax on your own users.
Then don't buy it. Validea is expensive deliberately: it is for people whose next eight months are worth more than the licence, and it will be poor value for anyone else.
The installer lands soon. Join the list and you get it first, at the price that will not be there afterwards.
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