Plumbline
Private beta · onboarding a few teams

Agents don't throw exceptions. Plumbline does.

Your agent said “done.” Plumbline checks whether it was, tells you what changed when it wasn’t, and turns every incident into a test.

Two minutes on the real dashboard, narrated by the founder.

Catch silent failures

Checks whether the job actually got done, not whether the agent returned 200.

Know what changed

Every alert names the likely cause: the prompt, the model, the deploy.

Never ship it twice

Every production failure becomes a regression test in your CI.

A bad prompt change, blocked in CI.

Works with OpenAI Agents SDK, LangGraph, CrewAI, Vercel AI SDK, OpenTelemetry and MCP. Alerts in Slack or email. Runs in your own cloud.

Join the private beta.

For engineers with an AI agent in production, or about to be.

You get

  • Free for the whole beta
  • Setup with the founder, in 30 minutes
  • A real say in what we build next

We ask

  • One real agent, for a few weeks
  • Blunt feedback
Request beta access

Built by Shama Keskar, three-time technical cofounder and CTO, ex-Google, Amazon and LinkedIn. “Our agents kept saying ‘done’ when they weren’t. Nothing in our logs caught it, so I built Plumbline.”