Cycles – hard limits on agent actions before execution

Show HN: Cycles – hard limits on agent actions before execution

Cycles – hard limits on agent actions before execution is a business in show hn launch.

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Rate limits control velocity. They say nothing about what an agent is allowed to do next. An agent can pass every rate-limit check and still delete 400 records, send 200 emails, or place orders before anyone notices. The damage isn't always in the bill — it's in the consequence.Cycles is an open protocol for pre-execution enforcement. The core mechanism: reserve exposure before the action runs, commit actual usage after, release the remainder if it fails. Every reservation is idempotent so retries don't double-count.Atomic operations mean concurrent agents can't both see "enough budget" and both proceed. It's not a rate limiter. It's not an observability tool. It's a runtime authority that a

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Website: runcycles.io