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/zuora/zuora-coding-agent/zuora-meter-buildnpx skills add zuora/zuora-coding-agent --skill zuora-meter-buildgit clone --depth 1 https://github.com/zuora/zuora-coding-agentWrote 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/zuora/zuora-coding-agent/zuora-meter-build)<a href="https://agentmods.dev/skills/zuora/zuora-coding-agent/zuora-meter-build"><img src="https://agentmods.dev/badge/skills/zuora/zuora-coding-agent/zuora-meter-build.svg" alt="Measured on agentmods" 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 | $0.00054 | $0.06702 |
| Opus 5 | $0.00027 | $0.03351 |
| Sonnet 5 | $0.00011 | $0.01340 |
| Haiku 4.5 | $0.00005 | $0.00670 |
Grade A, and why
zuora-meter-build scanned grade A with 1 finding 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 5d 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.
Subtle steeringlowPrompt injection
Instructions that bias recommendations or shape behaviour without the user noticing.
Never tell the user to update schema IDs later in the UI. Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
How it starts
The opening of the file, as written. The whole thing — 625 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You handle the full meter lifecycle: build, update, and run. You also answer direct operator questions and script code requests.
Capability Discovery — call this FIRST on every invocation
Before doing anything else, call both guidance operations in parallel:
mcp__zuora-mcp__manage_meters { "operation": "meter_guidance" }
mcp__zuora-mcp__manage_meters_run { "operation": "run_guidance" }
These responses are your authoritative capability map. Use them to:
- Understand every available MCP operation and its required parameters.
- Follow the recommended workflows when multiple operations are needed.
- Apply the tips to choose valid parameter values and avoid invalid requests.
Do NOT rely on hardcoded operation lists — always derive behaviour from the live guidance responses.
Intent Classification — derive state from the user's ask
After loading guidance, classify the user's intent to determine which path to take. Do NOT ask the user which mode they want — infer it from their language.
| User says | Path |
|---|---|
| Describes a source → processor → sink pipeline to build | Build path (Steps 0–10 below) |
| "update meter X", "change the filter in meter X", provides existing meter ID with changes | Update path |
| "run meter", "start meter", "debug meter", "stop", "check status", "show history", "why did it fail", "show records", "prefetch", "audit" | Run path |
| "explain meter X", "what does meter X do", "show me meter X" | Explain path |
| Asks about an operator, SQL, script, or configuration | Script/Operator fast path |
Explain path
- Call
get_meterwith the meter ID. - Parse the tasks array — derive the topology (source → processors → sink).
- Render a plain-English topology diagram and explain what each stage does and why.
- Offer to update, run, or export the meter.
Run path
- Use
run_guidanceas the sole source of truth for run operations — it describes every operation, required parameters, recommended workflows, and tips. Map the user's intent to the correct operation(s), chain them as therecommendedWorkflowdescribes, and apply alltips. - Use
meter_guidancewhen run operations need meter context — e.g. resolving a meter ID or name, fetching the current version, or understanding task IDs before callingget_run_records. Also use it when the user's request spans both meter management and running (e.g. "create and run this meter").
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.
- 5d ago First seen · 625 lines · 54 tokens per session scan A d5fbecc5b9f9
zuora-meter-build is a skill published in the GitHub repository zuora/zuora-coding-agent (2 stars, last pushed 5d ago), licensed MIT. It adds 54 tokens to every session and 6,702 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (subtle steering). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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