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Runtime launched on Product Hunt — sandboxed coding agents built for whole teams rather than solo developers. YC-backed, founded in 2026 by Gus Trigos and Carlos Volante. The pitch: run coding agents in isolated sandboxes with the guardrails an engineering org actually needs.

## What it does

Each agent runs in a sandboxed execution environment, so a misbehaving agent can’t touch production or sibling workspaces. Beyond isolation, Runtime adds the team-workflow layer: parallel agent runs, ticket integration (wire an agent to a Jira or Linear ticket), diff visibility so reviewers see exactly what changed, and approval controls before anything merges.

## The team angle

Most coding agents — Claude Code, Cursor, Codex — optimize for the individual developer. Runtime’s bet is that the unsolved problem is multiplayer: how does a 20-engineer team run dozens of agents without stepping on each other, leaking secrets, or shipping unreviewed code? Sandboxing plus approval gates is their answer.

## Why it matters

As coding agents move from “assist one dev” to “run unattended on tickets,” the missing infrastructure is governance — isolation, audit, approval. Runtime is part of a fast-growing category, alongside AgentRail and Agent Sandbox, racing to build the control plane that makes team-scale agentic coding safe.