How to Monitor AI Token Usage Across Coding Agents

1. Install with npx --yes vibeusage init and complete the browser link flow to create a scoped device token.
2. Run sync from the CLI to upload half-hour aggregates for supported AI coding agents.
3. Use dashboard views or usage:read API endpoints to monitor daily totals, model mix, project totals, heatmaps, and estimated cost.
4. Use llms.txt, OpenAPI, and the MCP manifest when delegating setup or reporting tasks to an AI agent.