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Head to head

Ausca vs ONCE — Exactly-Once Reliability for AI Agent Actions

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Auscacom.ausca/agent-services
B
No reviews yet

Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.

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ONCE — Exactly-Once Reliability for AI Agent Actionsio.github.GSterlingPress/once
B
No reviews yet

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

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (84 and 79 out of 100). Ausca has noticeably more public adoption.

 AuscaONCE — Exactly-Once Reliability for AI Agent Actions
User ratingNo reviews yetNo reviews yet
Safety gradeB84/100B79/100
AdoptionEstablishedGrowing
GitHub stars150
Downloads / week220–
Runs whereHosted (remote)Hosted (remote)
Gateway-readyYesYes
Tools142
Write actions21
Price per callFreeFree
LicenceMIT—
Last release2026-09-182026-09-13
CategoryAI and agentsAI and agents

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