Core Concepts

Moment-of-Action Enforcement

Evaluating and enforcing governance constraints at the exact point when an action is attempted — not before (in planning) or after (in audit).

Moment-of-action enforcement is the practice of checking governance constraints at the precise instant an action is attempted, rather than relying on prior training, documented policies, or after-the-fact audits.

Traditional governance operates either prospectively (policies and training that hope people follow the rules) or retrospectively (audits that check after the fact whether rules were followed). Both have a fundamental gap: the moment of action itself is ungoverned.

Moment-of-action enforcement closes this gap. When an AI agent attempts to push code to production, the governance gate checks constraints before the push completes. When a decision is ratified, the system verifies authority and records evidence contemporaneously. When a commitment comes due, the system surfaces it — it doesn't wait for someone to remember.

This is structurally different from compliance monitoring, which watches and reports. Moment-of-action enforcement prevents violations rather than detecting them.

How Constellation handles this

Constellation's governance gate implements moment-of-action enforcement via MCP hooks. Every tool call, deployment, and external communication is intercepted and checked against active constraints before it executes.