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Derek-X-Wang
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fuelcheck

Monitor AI subscription quotas and utilization across Claude, Codex, Gemini, and Antigravity.

Updated Mar 21, 2026
Search Tags:#cli#ai#quota#billing#usage#subscription#monitor
One-click install
npx skills add https://github.com/Derek-X-Wang/skills --skill fuelcheck
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: fuelcheck
Source: https://github.com/Derek-X-Wang/skills/tree/main/fuelcheck
Command: npx skills add https://github.com/Derek-X-Wang/skills --skill fuelcheck

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Monitor AI subscription usage across Claude, Codex, Gemini, and Antigravity from the terminal.

Core Features & Use Cases

  • Quick provider-wide visibility: check per-provider quotas and utilization from a single command.
  • Specific provider checks: query Claude, Codex, Gemini, or Antigravity individually for focused insights.
  • JSON-ready output: always output JSON for easy parsing and integration with dashboards or alerts.
  • Pre-flight and prerequisites: detect if fuelcheck is installed and guide installation steps when missing.

Quick Start

Install fuelcheck if missing, then run fuelcheck --json to view your usage across Claude, Codex, Gemini, and Antigravity.

Frequently Asked Questions about fuelcheck

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I monitor AI subscription usage and quotas across multiple providers?▼

You can monitor AI subscription usage across Claude, Codex, Gemini, and Antigravity from the terminal by running fuelcheck with the --json option to view per-provider quotas, utilization, and remaining credits.

Can I check remaining credits and utilization for Claude or Gemini individually?▼

Yes, you can query specific AI providers like Claude, Codex, Gemini, or Antigravity individually to get focused insights into their remaining credits and utilization from your terminal.

How do I get parseable JSON output for AI billing and usage monitoring?▼

To get parseable JSON output for AI billing and usage monitoring, run fuelcheck with the --json option, which formats per-provider quota and utilization data for easy integration with dashboards or alerts.

What do I need to install before checking AI subscription limits from the CLI?▼

You need the fuelcheck CLI tool installed to check AI subscription limits; if it is missing, the Skill detects this and guides you through the installation steps before monitoring usage.

Is there a terminal tool for budgeting and planning AI provider subscriptions?▼

Yes, fuelcheck is a terminal tool designed for budgeting and planning, providing developers and operators quick visibility into per-provider quotas and remaining credits across multiple AI subscriptions.

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