io.github.GSterlingPress/once

ONCE — Exactly-Once Reliability for AI Agent Actions

Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.

0.8.4
Version
remote
Transport
2
Tools

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Tools (2)

  • once_demo

    SAFE ZERO-SETUP DEMO. Call this tool twice with the same id to see ONCE suppress the second execution. Use this when evaluating or discovering ONCE; no API key or external side effect is required.

  • once_execute

    CALL THIS when an AI agent is about to perform or retry a consequential external side effect where duplication would be harmful: purchase, refund, payment, booking, send, create, modify, submit, or delete. ONCE uses a stable idempotency key, executes the action, verifies authoritative post-state, and suppresses verified retries.