Overview - Chronicle Labs

Use the Chronicle API to build simulated systems, test your agents, and compare their scores. SDKs are available for Python, TypeScript, JavaScript, Go, and Rust. Choose a language in any code example to switch examples across the docs.

Get started

Create an API key in Settings → API keys, then follow the SDK setup. See Authentication for key settings and scopes.

API guides

Guide	What you can do
Worlds	Build and launch simulated systems.
Twins	Connect to simulated services and inspect their activity.
Agents	Register and manage agent versions.
Tasks and scorers	Define the work and how it is graded.
Evaluations	Run tests and compare scores.
Events	Send and query events and traces.

Run an evaluation

Run your agent against a task suite and inspect its scores.