Invariant

Invariant is a pre-execution control layer for AI agents that validates every tool call against shared world state before execution, blocking actions based on stale or conflicting information. It sells to engineering and operations teams in companies whose agents write to real systems like CRMs, databases, and APIs. It is delivered as a SaaS platform with an API and SDK, offering a free tier and enterprise options.

Key features

• Pre-execution validation of tool calls
• Shared world state graph
• Contradiction detection
• Action blocking with reason traces
• REST API and SDK
• Self-hostable
• Coherence scoring
• Audit trail for every action