AI-Native Backend Platform

Build backend at AI speed.

Define entities, relationships, and rules. AALY generates a production-ready, multi-tenant API — auth and validation included — that you or your AI agent can operate through MCP.

Get early access See how it works

The problem

Fast isn't the same as correct.

Building a backend means database design, auth, validation, documentation, and infrastructure — repeated from scratch on every project. AI coding agents made the writing fast. They didn't make it correct. Broken authorization and missing tenant isolation are now common, well-documented failure modes of AI-generated backends.

// What ships when nothing enforces the contract

✕Missing tenant filter on /orders — cross-tenant data leak

✕Auth middleware skipped on 2 of 6 routes

✕No ownership check before PUT /invoices/:id

✕Schema drift between staging and production

The Aaly way

Define once. Generate everything.

The platform handles the complexity in between. The contract stays the same whether a human or an agent is operating it.

01Define entities

02Describe relationships

03Configure rules

04Generate backend services

05Connect apps & agents

How it works

From definition to deployed API.

Entity, relationship, contract — the same steps whether you write the config yourself or an agent does it for you.

Define your entities

Configure your entities in your AALY project — or have an AI agent define them through MCP. No schema migrations, no ORM setup.

// The entity definition your project works from

{
  "tasks": {
    "key": "TSK",
    "fields": [
      { "name": "title", "type": "text", "required": true, "search": true },
      { "name": "status", "type": "enum", "values": ["open","done"] }
    ]
  }
}

Describe relationships

Link entities through typed references — the same shape as a foreign key, but declared in the contract, not wired by hand in an ORM.

// A reference field added to the tasks entity

{
  "name": "assignee",
  "type": "reference",
  "targets": [
    { "entity": "users", "projection": ["name", "email"] }
  ]
}

Generate & deploy

Auth, validation, and a full OpenAPI spec — produced from the contract. Every project is multi-tenant by default, not bolted on later.

// Generated REST endpoints

POST   /tasks        Create task
GET    /tasks        List tasks
GET    /tasks/:id    Get task
PUT    /tasks/:id    Update task
DELETE /tasks/:id    Delete task

Connect your app — or your agent

Call the REST API directly, or give an AI agent access through the AALY MCP server. The same backend works both ways.

Human developer

curl -X POST https://api.aaly.io/tasks \
  -H "Authorization: Bearer $TOKEN" \
  -d '{"title":"Ship it","status":"open"}'

AI agent / MCP

> use_mcp_tool aaly create_entity
  entity: tasks
  title: "Ship it"
  status: open

  ✓ Created TSK-001

Product demo

Two agents. One backend. Always in sync.

Agent A and Agent B build independent clients against the same AALY contract. Change the schema once — both stay correct automatically.

Agent A

Web client

GET /orders

✓ synced

AALY backend

orders — contract

title    text
status   enum

Agent B

Mobile client

POST /orders

✓ synced

// One contract. Both clients stay correct — no coordination between the two agents required.

Who it's for

Built for the people shipping the backend.

Technical founders

Building a real, multi-tenant SaaS product with Cursor or Claude Code — without becoming a backend expert to do it safely.

AI builders & agencies

Shipping client work faster without inheriting the broken auth and tenant isolation AI-generated backends leave behind.

Teams at scale

Operating agent-built software in production, where the backend has to be the reliable layer — not the part that quietly breaks.

Vision

Frontends got easy. Backends didn't.

AI coding tools made frontends and app logic trivial to generate. Backends haven't kept pace — they fail in predictable, dangerous ways: broken authorization, missing tenant isolation, schema that drifts the moment two agents touch it.

Aaly's bet is that the backend has to be the reliable part of AI-built software, not the part that quietly breaks in production. That means agents need to operate the backend the way a careful engineer would — through a contract, not through free-form file edits.

The backend operating system for humans and AI — the layer every AI-built application sits on, because it's the one part of the stack that has to be correct, not just fast.

What you get

Everything a production backend needs.

Whether a person configures it or an agent does, through MCP.

For developers

Auth & multi-tenancy

JWT authentication and tenant isolation built in — every project is multi-tenant by default.

Entity relationships

Link entities through typed references, like foreign keys but defined in the contract.

Auto OpenAPI spec

Every entity definition produces a live, accurate spec automatically.

For AI builders

Structured tools, not file edits

Claude Code and Cursor create entities, change fields, and deploy through typed MCP tools.

Same contract, same guarantees

An agent-built backend gets the same auth, validation, and multi-tenancy as a hand-built one.

Built for agents, not just accessible to them

The MCP server is a first-class way to operate the backend — not a wrapper bolted on afterward.

Getting started

From API key to running app.

Three steps. No dashboard to learn first — just a key, an agent, and a prompt.

1Get your AALY API key.
2Add the MCP config below to Claude Code or Cursor.
3Ask it to "build an app for [your idea] using AALY" — and it takes it from there.

{
  "mcpServers": {
    "aaly": {
      "type": "http",
      "url": "https://mcp.aaly.io",
      "headers": {
        "Authorization": "Bearer tb_**************************"
      }
    }
  }
}

// Add to your Claude Code or Cursor MCP config

Early access

Get early access.

AALY is in private beta. Join the waitlist and we'll reach out when a spot opens — or if what you're building is a good fit for a design-partner conversation.

What describes you best

About your team

What would you build

// This waitlist runs on an AALY-generated backend.

// That config is its entire backend definition.