# Sentinel

- **Event:** [RAISE Summit Hackathon](https://cerebralvalley.ai/e/raise-summit-hackathon)
- **When:** Jul 4 at 9:00 AM – Jul 5 at 7:00 PM (GMT+2)
- **Where:** Paris, France
- **Team:** [kiran Nreddy](https://cerebralvalley.ai/u/Kiranaero)
- **GitHub:** https://github.com/knarayanareddy/Sentinel
- **Demo video:** https://youtu.be/MeIsx-WFiVw
- **Gallery:** https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/60

AI agents can now take real actions — send memos, escalate to executives, move money. But nothing sits between "the agent decided" and "the agent acted": the review happens after the irreversible move. SENTINEL closes that gap.

SENTINEL is an autonomous financial oversight agent behind a fail-closed gate. Given a covenant-monitoring brief, it plans a multi-step investigation, retrieves evidence across three passes from a Vultr Serverless Vector Store (reranked by VultronRetriever), computes the Debt/EBITDA ratio with a deterministic tool, conditionally digs into transaction root causes, and drafts a cited escalation memo. Before the irreversible send, three parallel signals evaluate the action — task drift, an adversarial MAARS probe, and citation completeness. If all pass, the memo executes; if any fails, the action freezes and a human operator decides with full context. Every decision is sealed with a SHA-256 hash — edit the record and the seal breaks.

The gate's inputs are domain-agnostic (task brief, action, citations), so the same oversight layer fronts SLA escalations, claims letters, or pricing changes — covenant compliance is the first workload. Two demo scenarios (breach → frozen, compliant → executed) prove the gate genuinely decides. Built on Vultr: VM deployment, Serverless Inference (Qwen3.6-27B reasoning), VultronRetriever reranking.

## More from RAISE Summit Hackathon

- [Robbinson](https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/57)
- [ClinTrial](https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/58)
- [Echo](https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/59)
- [Anukriti](https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/61)
- [PakForge](https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/62)
- [KACM](https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/63)

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Markdown version of https://cerebralvalley.ai/e/raise-summit-hackathon/hackathon/gallery/60. Site index for agents: https://cerebralvalley.ai/llms.txt · full text: https://cerebralvalley.ai/llms-full.txt