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VAIG (VALO AI Integrity Gateway) — ACS-compatible runtime governance layer, Apache 2.0 #233

@nsolland

Description

@nsolland

Hi,

We're building VAIG — an open-source runtime governance layer for LLM
inference, designed for EU AI Act Annex III compliance and
insurance-grade auditability. Apache 2.0.

How VAIG maps to ACS

ACS principle VAIG
Runtime Interception Probabilistic distrust scoring at every inference
Proof of Control SHA-256 hash-chained WORM audit log, append-only
Mandatory Halt Binary HALT state, formally verified (TLA+, 4.78M
states, 0 counterexamples)
Contextual Guardrails DistrustEngine L0–L4 (TRUSTED → MONITOR → WARN →
DEGRADE → HALT)

Key design principle

VAIG sits architecturally outside the model it monitors — it
cannot be influenced, overridden, or manipulated by the system it
validates. This is the same principle that makes Safety Instrumented
Systems (IEC 61511) reliable in industrial process control.

Status

  • Formally verified halt mechanism (TLA+ model-checked)
  • WORM audit log producing legally defensible audit trails
  • Validated on MedQA and LEDGAR benchmarks
  • Designed for deployment on sovereign European infrastructure

We'd like to be listed as a compatible implementation alongside
LangChain/CrewAI. Happy to contribute documentation or a reference
integration guide.

— Njål Solland, VALO Research Group
https://github.com/nsolland/VAIG
pip install vaig

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