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Agent governance · Munis Badar · 2026-10-02
Why model routing is only half the control
When a developer asks an AI coding agent to change a system, the model response is only the beginning. The agent may read files, invoke an MCP server, run a shell command, or write a change locally. Model routing gives you visibility into the conversation; it does not, by itself, provide a decision point for every supported workstation event. Cursor hooks extend the conversation into an observable workflow while keeping policy in AI-FW.
That distinction is practical rather than theoretical. A prompt can be harmless while the command it produces is not. A response can look reasonable while the file it changes contains sensitive data. Good governance follows the work, not only the words that proposed it.
Two complementary control points
Cursor prompt → AI-FW model gateway → Model response → Cursor hook event → Workstation effect
What AI-FW can decide
The integration applies the same rules and tool governance model to supported Cursor events, with observe-first behavior so teams can understand usage before enabling blocking. That word, supported, matters: coverage depends on the events configured, the shim being deployed and protected, the gateway being reachable, and the per-event failure posture.
Pre-action events can receive a policy decision before the action runs. Notification events record what happened but cannot undo it. Capture alone observes; it does not turn every event into a blocking gate.
- Scan prompts and file content before they reach the model
- Govern supported shell, MCP, tool, file-read, tab-read, and subagent events
- Attribute decisions to an API key, agent label, and owner
- Correlate prompts, tools, and effects with a conversation ID
Start with visibility
Enable Cursor Agent Hooks from AI Firewall -> Agent Config -> Integrations, begin with capture and observe-only governance, and review the Skills & Tools and Artifacts pages before selecting a blocking posture. This avoids treating an empty allow-list as an accidental deny policy.
A good rollout has a quiet first phase. Watch the event mix, inspect unreviewed tools, confirm which developers and workspaces are attributed, and measure how often the gateway is unavailable. Then choose the events that need a refusal before execution and leave the notification events focused on telemetry.
Read the implementation guide
The public hook package includes a hooks.json template plus Node and Python shims. The detailed guide explains scopes, credentials, repeat-window deduplication, failure posture, and privacy boundaries.