Synthetic data that hits the numbers you declare, exactly. Multi-table with verified foreign-key integrity, deterministic, no model in the data path. Python + MCP server. In simple terms, a powerful demo data generator for sales/demos/seed data.
Deterministic synthetic data generator for realistic, correlated, and noisy test records across 68 locales. Rust CLI/Python/Node.js/Browser WASM/Go/PHP/Ruby/MCP
Verisim generates whole, coherent Pydantic domain objects instead of unrelated random fields. A generated person can have a name, username, email, phone, address, job, company, bio, website, and social profiles that all make sense together.
AI-powered database seeding: introspects your Postgres schema and generates realistic, referentially-valid seed data with Claude, OpenAI, Gemini, or local models.
