Replicas

Replicas is a Y Combinator-backed company that background coding agents for engineering teams. The company participated in the Spring 2026 batch of Y Combinator.

Replicas is a background coding agent that allows you to delegate tasks to Claude Code or Codex from Slack, Linear, GitHub, and more. Each task works inside of a sandboxed virtual machine, allowing teams to heavily parallelize work and burn through tickets.

Replicas agents output higher quality PRs via feedback loops - each task automatically is notified and fixes CI failures and reads all code reviews.

Replicas was part of Y Combinator's Spring 2026 cohort, has a team of approximately 1 employees, and is actively operating.