Documentation

Stabilize your AI-generated code. Define contracts once, generate consistent code across all surfaces, regenerate safely anytime.

Get started

Install ContractSpec and define your first contract in minutes.

Core contracts

Commands, queries, events, and presentations. The building blocks.

Safe regeneration

Golden tests, migrations, signing, and audit trails.

Studio (managed)

Visual builder, deployments, and team collaboration.

Quick start

Add ContractSpec to your project and define your first contract:

docs-quick-start

# Install the CLI and core libraries
bun add -D contractspec
bun add @contractspec/lib.contracts @contractspec/lib.schema

# Create your first contract
bun contractspec create --type operation

# Generate implementation
bun contractspec build src/contracts/mySpec.ts

Installation guide First contract tutorial