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Launch HN: Runtime (YC P26) – Sandboxed coding agents for everyone on a team

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Why This Matters

Runtime (YC P26) introduces sandboxed coding agents that empower all teams within a company to automate tasks and streamline workflows directly within Slack. This innovation extends the benefits of automation beyond engineering, enabling product, marketing, support, and other departments to enhance productivity safely and efficiently. Its flexible tagging and proactive operation features make it accessible and easy to integrate into daily work routines, potentially transforming how teams collaborate and automate tasks.

Key Takeaways

Runtime is for any company that wants every function to ship work with a coding agent, not just engineering. Platform teams use it to roll out agents safely, while product, design, marketing, support, finance, and people teams use the same sandbox to automate work they already own.

How do agents work inside Slack? Do we always have to tag them?

You can tag them, or let them work proactively. Each team gets its own sandboxed agent in Slack with a name you choose, like @runtime-finance, @runtime-support, or @ada, that you @mention with a question or a task. You can also point it at a channel so it picks up new messages on its own without anyone tagging it. Either way, it replies in a thread with the result, the source rows it used, the cost of the run, and an Open Session button so you can step into the sandbox if you need to dig deeper.