Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/CHENyiru3/AI-Skills-Collectionsnpx agentmods add skills/chenyiru3/ai-skills-collections/cursor-usage-checkerWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/chenyiru3/ai-skills-collections/cursor-usage-checker)<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/cursor-usage-checker"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/cursor-usage-checker/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/cursor-usage-checker"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/cursor-usage-checker.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00040 | $0.00207 |
| Opus 5.5 | $0.00016 | $0.00083 |
| Sonnet 5.5 | $0.00008 | $0.00041 |
| Haiku 4.5 | $0.00004 | $0.00021 |
Grade A, and why
cursor-usage-checker scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Cursor Usage Checker
This skill delegates to the shared provider usage checker.
Default source order
- Cached cookie header
- Imported Firefox session cookies
- Manual cookie header
- Cursor web APIs
Usage
python3 check_usage.py
python3 ../../utility/provider-usage-checker/scripts/check_usage.py --provider cursor --json
What it extracts
- Billing cycle dates
- Included plan utilization
- On-demand spend and limit data
- Identity from
auth/me - Legacy request usage when Cursor still exposes it
Privacy Note
The checker copies Firefox cookies.sqlite to a temporary location before reading and does not print raw cookie values.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 37 lines · 40 tokens per session scan A eec8406d64e3
cursor-usage-checker is a skill published in the GitHub repository CHENyiru3/AI-Skills-Collections (1 stars, last pushed 7d ago), licensed MIT. It adds 40 tokens to every session and 207 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-02.
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