AegisDecision Platform
Open-source · Auditable · Offline-ready

AI underwriting & claims
you can actually audit.

Aegis is a hybrid rules-plus-LLM decision platform for insurance operators. Every decision is grounded in deterministic risk models, logged with full rationale, and works offline out-of-the-box.

POST /decide/underwrite

Auto policy · age 19 · high risk

REJECT

Risk score

77/100

Confidence

72%

Suggested premium

$124.10

Model

gpt-4o-mini

Reasoning

  • Base rate for 'auto': 0.060
  • Policy type 'auto' classified as elevated risk (+10)
  • Young applicant (age 19) increases risk (+12)
  • Declared risk profile: HIGH (+20)

Platform

Everything you need to ship auditable AI.

Grounded Decisions

Every AI call starts from deterministic risk & fraud rules, so the LLM decides on top of facts — not hallucinations.

Auditable by Design

Every decision is persisted with inputs, reasoning, model, and confidence. Regulators love it.

Provider-Agnostic

Swap OpenAI, Anthropic, or a local Ollama model with one env var. Ships with a zero-config heuristic fallback.

Real Underwriting

Risk score, premium recommendation, and explainable rationale on every policy application.

Claim Fraud Triage

Fraud score, leverage analysis, out-of-window detection — and a FLAG / REJECT / APPROVE decision you can stand behind.

Streaming Copilot

An SSE chat endpoint gives operators a natural-language copilot grounded in the live decision log.

Architecture

Rules first. LLM second.

A deterministic risk engine computes the numbers and produces structured factors. That block is then passed to the LLM as grounded context. The model's only job is to pick a decision and summarize the rationale — which is then stored in an append-only audit log.

rule_engine
  └─ risk_score, factors[], suggested_premium
        │
        ▼
llm(system + structured_context)
  └─ { decision, confidence, reasoning[] }
        │
        ▼
Decision table  ◀── audit log, immutable
        │
        ▼
GET /decisions  ─── compliance & dashboards

Ship AI decisions your lawyers will sign off on.

Open the dashboard, file a claim, and watch the underwriter agent reason about it in real time. No credit card, no API key required.