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 skills add monte-carlo-data/mc-agent-toolkit --skill asset-healthgit clone --depth 1 https://github.com/monte-carlo-data/mc-agent-toolkitWrote 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/monte-carlo-data/mc-agent-toolkit/asset-health)<a href="https://agentmods.dev/skills/monte-carlo-data/mc-agent-toolkit/asset-health"><img src="https://agentmods.dev/badge/skills/monte-carlo-data/mc-agent-toolkit/asset-health/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/monte-carlo-data/mc-agent-toolkit/asset-health"><img src="https://agentmods.dev/badge/skills/monte-carlo-data/mc-agent-toolkit/asset-health.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00062 | $0.02095 |
| Opus 5 | $0.00031 | $0.01047 |
| Sonnet 5 | $0.00012 | $0.00419 |
| Haiku 4.5 | $0.00006 | $0.00210 |
Grade A, and why
monte-carlo-asset-health 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 190 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Monte Carlo Asset Health Skill
This skill checks the health of a data asset using Monte Carlo's observability platform. It produces a structured health report covering freshness, alerts, monitoring coverage, importance, and upstream dependency health.
Monte Carlo tool routing (required): Always call Monte Carlo MCP tools through this plugin's bundled server, whose fully-qualified tool names are
mcp__plugin_mc-agent-toolkit_monte-carlo-mcp__<tool>(e.g.mcp__plugin_mc-agent-toolkit_monte-carlo-mcp__get_alerts). Bare tool names used in this skill (get_alerts,search,get_table, …) refer to that bundled server. If the session also has a separately-configuredmonte-carlo-mcpserver, do not route to it — it may point at a different endpoint or credentials.
REQUIRED: Read reference files before executing
You MUST read both reference files using the Read tool before making any MCP tool calls. These files are the source of truth for tool calls, parameters, and response interpretation. This file only defines when to activate and how to format the output.
references/workflows.md(relative to this file) — exact tool calls, phases, and execution orderreferences/parameters.md(relative to this file) — parameter conventions and field details
Do NOT make any MCP tool calls until you have read both files.
When to activate this skill
Activate when the user:
- Asks about health: "how is table X doing?", "check health of X", "is X healthy?"
- Asks about status: "what's the status of X?", "status of orders table"
- Asks to check on a table: "check on X table", "check on X"
- Asks about reliability, freshness, or quality of a specific asset
- References a table in context of incident triage or change planning
When NOT to activate this skill
- Profiling or exploring table data (row counts, column stats, distributions) → use
explore-table - Creating or suggesting monitors → use
monitoring-advisor - Active incident triage (investigating root cause of a firing alert) → use prevent skill Workflow 3
What ships with it
3 files 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.
- 11d ago First seen · 190 lines · 62 tokens per session scan A 06d202cae77c
monte-carlo-asset-health is a skill published in the GitHub repository monte-carlo-data/mc-agent-toolkit (91 stars, last pushed 2d ago), licensed Apache-2.0. It adds 62 tokens to every session and 2,095 once invoked, about $0.0003 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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