Lark

ActiveAI-native

The E2E testing layer for AI-driven development

Y Combinator S25

What it does

Lark lets teams write end-to-end tests in plain English. Validate dashboards, APIs, SDKs, and full product flows without maintaining fragile test code. Run continuously on feature branches, in CI, or in production.

Its site says now · captured 2026-08-23

Lark | Test every surface, every minute.

Always on, self-healing, end-to-end tests for all of your product

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