Live in your browser

Let it run. Watch it stop.

A hands-on simulation of spend admission and the kill switch. No signup. No keys. No real charges.

SIMULATIONRuns in this browser. No API keys, provider requests or real charges.
  1. 01 Set a boundary
  2. 02 Watch the requests
  3. 03 Take back control
READY

A retry that never finishes.

This simulated agent retries the same tool call for 40 requests. Give it a boundary.

Simulated spend$0.000 admitted requests · 0 simulated tokens
Hard cap$0.75Checked before every call
Simulated spend avoided$0.00Versus the same 40-request scenario
Spend over requests With Leash Without a cap
CAP $0.75Request 0Request 40

Request log SIMULATED

  1. Ready. Set your cap and start the agent.
    tool: retry_build()

Leash checks the next request before admitting it. Watch the green line stop while the uncapped scenario keeps spending.

Ready to put a boundary around your own agents?

Choose your protection

Rather watch? It takes 25 seconds.

The same controls, in a short film with captions.

Watch Leash stop a runaway agent: Interactive demo