Show HN: Pinrail – A desktop inbox where coding agents wait for your review
Pinrail is a new desktop application that acts as an inbox for coding agents, allowing developers to review and approve agent actions before they are executed. It integrates with various coding agents to streamline human-in-the-loop workflows.
Why it matters
As coding agents become more autonomous, tools like Pinrail are essential for maintaining human oversight and security in software development pipelines.
Website · Download · Documentation · Plugins
Pinrail is a desktop app where your coding agents ask you before they act. You review what an agent proposes in a view made for it, and the agent carries on with your decision.
Pinrail works with any agent that can run a command, such as Claude Code, Codex, Cursor or OpenCode. It runs on macOS and Linux, and Windows support is coming. Pinrail is in early development, so expect rough edges and changes between releases.
Agents are good at doing the work, but some steps need a person: a comment posted under your name, an email to a customer, a change to production. Approving those steps in a chat means reading a wall of text and typing your answer back. Pinrail gives each of these moments a proper review:
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