Playground

Leash control room

An open rail for agents that spend on the open internet. One place to drive the runner, agents, sellers, buyers, and the schemas they share.

Kill-switch

Runner endpoint

Network

Jump in

Live `receipts.jsonl` for any agent.

Hit a paid route with the x402 gate.

Build RulesV1, fire a request, see the receipt.

Browse & open agent profiles.

Validate payloads against the live Zod schemas.

1Run the runner

pnpm --filter @leash/runner start

Exposes /health, /pause, and /a/:mint/receipts.jsonl on :8787.

2Run a seller

pnpm --filter @leash/seller-demo start

Or use the built-in seller playground which exposes /api/seller/echo.

3Drive a buyer

Build a RulesV1 doc in the buyer playground and fire a request. The returned receipt mirrors what the runner stores.