Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/zai-org/zai-coding-plugins/usage-query-skillnpx skills add zai-org/zai-coding-plugins --skill usage-query-skillgit clone --depth 1 https://github.com/zai-org/zai-coding-pluginsWhat 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 | $0.00030 | $0.00212 |
| Opus 5 | $0.00015 | $0.00106 |
| Sonnet 5 | $0.00006 | $0.00042 |
| Haiku 4.5 | $0.00003 | $0.00021 |
Grade A, and why
usage-query-skill 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 2d 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
Usage Query Skill
Execute the usage query script and return the result.
Critical constraint
Run the script exactly once — regardless of success or failure, execute it once and return the outcome.
Execution
Run the query
Use Node.js to execute the bundled script, pay attention to the path changes in the Windows:
node scripts/query-usage.mjs
If your working directory is elsewhere,
cdinto the plugin root first or use an absolute path:node /absolute/path/to/glm-plan-usage/skills/usage-query-skill/scripts/query-usage.mjs
Return the result
After execution, return the result to the caller:
- Success: display the usage payload (JSON)
- Failure: show the error details and likely cause
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.
- 2d ago First seen · 34 lines · 30 tokens per session scan A 1d0e1f29b69e
usage-query-skill is a skill published in the GitHub repository zai-org/zai-coding-plugins (126 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 30 tokens to every session and 212 once invoked, about $0.0002 per session on Opus 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 2026-08-30.
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