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Arga Labs: The validation infrastructure for AI agents
Arga Labs is a Y Combinator-backed company that the validation infrastructure for AI agents. Based in San Francisco, USA, the company participated in the Spring 2026 batch of Y Combinator.
Arga is the infrastructure that lets you validate code changes & agents at scale, because you (and your users) were never meant to be QA for AI.
We provide validation infrastructure with fully-functional mocks of external services for your code & agents. Deploy a PR into our production-like sandbox and it runs against replicas of any web app, fully compatible with any official API/SDK. These replicas surface edge cases traditional mocks or assertions miss, and you never hit rate limits.
Arga Labs was part of Y Combinator's Spring 2026 cohort, has a team of approximately 3 employees, and is actively operating.