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AI Usage Report

See which models and tools your AI sessions use, compare activity across projects over time, and find Nimbalyst tools you have not tried yet.

The AI Usage Report shows how you use models and tools across Nimbalyst. Use it to understand activity over time, compare projects, and discover tools that are available but not yet part of your workflow.

Open it from Window > AI Usage Report.

If you are deciding between API keys and a Claude or Codex subscription, see Claude Code and Codex subscriptions.

Overview

The Overview tab combines:

  • Session and token totals

  • An activity heatmap

  • Historical usage over time

  • Per-project activity

Use the project filter when you want to separate one workspace from your all-project totals.

Tool Usage

Open the Tools tab to see calls made to:

  • Built-in agent tools, such as reading files, searching, editing, and running commands

  • MCP tools

  • Tools contributed by Nimbalyst extensions

The report includes:

  • Your most-used tools

  • Successful and failed call counts

  • Built-in versus MCP and extension usage

  • Calls over time

  • Usage by provider

  • Usage by project

Tool counts describe calls, not time spent or tokens consumed by a tool.

Backfill Earlier Sessions

New tool calls are recorded automatically. Click Backfill history to populate the report from compatible Claude Agent and Codex sessions created before tool tracking was enabled.

Backfill reads your stored Nimbalyst session history. It does not rerun the sessions or call the tools again.

Where the Data Lives

The report is generated from usage data stored locally by Nimbalyst. Tool tracking records the tool identity, project, provider, count, and error count; it does not turn tool inputs or outputs into a public activity feed.

The AI Usage Report is separate from provider billing dashboards. For authoritative subscription limits, API charges, or provider-specific usage windows, use the dashboard provided by the model provider.

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