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Registry listedKnow whether an AI agent should REUSE or REFETCH a URL before retrieving it again.
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Know whether an AI agent should REUSE or REFETCH a URL before retrieving it again.
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Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.
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Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.
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Resolve whether an uncertain side-effecting action completed before software retries it.
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Choose HTTP, browser, machine endpoint, or avoid before an agent visits an unfamiliar URL.
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Deterministic next-step decisions after failed API, MCP, automation, or AI-agent actions.
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