Kybernis
Prevent AI agents from executing the same action twice
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AI agents increasingly execute real system actions: issuing refunds, modifying databases, deploying infrastructure, calling external APIs.Because agents retry steps, re-plan tasks, and run asynchronously, the same action can sometimes execute more than once.In production systems this can cause duplicate payouts, repeated mutations, or inconsistent state.Kybernis is a reliability layer that sits at the execution boundary of agent systems.When an agent calls a tool:1. execution intent is captured 2. the action is recorded in an execution ledger 3. idempotency guarantees are attached 4. the mutation commits exactly onceRetries become safe.Kybernis is framework-neutral and works with agent frameworks like LangGraph, AutoGen, CrewAI, or custom systems.I built this after repeatedly seeing reliability failures when AI agents interacted with production APIs.Would love feedback from anyone building agent systems.
HN · launched Mar 5, 2026 · 6 upvotes (top 71%) · 0 views
Niche: ai agent guardrail software · 200 launches, 24 in the last 7 days ▲ +20% · Explore this niche →
Category and tags
- Horizontal
- Compliance & governance
- Developer
- AI-native
- Commercial product
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More like this: all 200 launches in ai agent guardrail software →
Could you build this?
Yes The platform functions as an orchestration layer using Pipedream for tool execution, saving executed action paths, and applying idempotency keys and approval gates to agent runs.
Discussion
3 comments analyzed.
Competitors mentioned: Network-AI (open-source coordination layer)
Concerns raised: Duplicate mutations from retries and async scheduling, Silent failures masked as model quality issues, Shared state management and concurrent access collisions, Non-deterministic agent behavior in deterministic infrastructure
Competitors
Other products that read as similar to this one : 791 launches clear the similarity bar, closest 8 shown.
Attention rank: #654 of 792 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 127 days after the earliest competitor.
- Agent Reliability Toolkit · ph · 2026-09-10 · 1 upvotes · similarity 0.50
- Questlock · ph · 2026-10-23 · 2 upvotes · similarity 0.46
- Agentwall · ph · 2026-09-09 · 2 upvotes · similarity 0.46
- RiskKernel, kill -9 an AI agent and resume it without paying twice · hn · 2026-06-10 · 5 upvotes · similarity 0.45
- Agent Action Runtime · ph · 2026-09-26 · 1 upvotes · similarity 0.44
- AI agent got 237 rules from another agent, still made the same mistakes · hn · 2026-03-24 · 6 upvotes · similarity 0.44
- OpenTiger · hn · 2026-02-22 · 11 upvotes · similarity 0.43
- Aethra Runtime defence · ph · 2026-09-12 · 1 upvotes · similarity 0.43
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