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 caipe-io/ai-platform-engineering --skill aws-cost-analysisgit clone --depth 1 https://github.com/caipe-io/ai-platform-engineeringWrote 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/caipe-io/ai-platform-engineering/aws-cost-analysis)<a href="https://agentmods.dev/skills/caipe-io/ai-platform-engineering/aws-cost-analysis"><img src="https://agentmods.dev/badge/skills/caipe-io/ai-platform-engineering/aws-cost-analysis/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/caipe-io/ai-platform-engineering/aws-cost-analysis"><img src="https://agentmods.dev/badge/skills/caipe-io/ai-platform-engineering/aws-cost-analysis.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 | $0.00044 | $0.00595 |
| Opus 5 | $0.00022 | $0.00298 |
| Sonnet 5 | $0.00009 | $0.00119 |
| Haiku 4.5 | $0.00004 | $0.00060 |
Grade A, and why
aws-cost-analysis 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 9d 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
AWS Cost Analysis
Query AWS Cost Explorer data to break down spending by service, identify trends, detect anomalies, and recommend cost optimization actions.
Instructions
Phase 1: Cost Breakdown
- Fetch cost data using the AWS agent's Cost Explorer tools:
- Total spend for the requested period (default: last 30 days)
- Breakdown by AWS service (EC2, EKS, S3, RDS, Lambda, etc.)
- Breakdown by account (if multi-account)
- Daily/weekly cost trends
- Calculate key metrics:
- Month-over-month change (absolute and percentage)
- Top 5 most expensive services
- Top 5 fastest-growing services (by percentage increase)
Phase 2: Anomaly Detection
- Identify cost anomalies:
- Services with >20% cost increase vs. previous period
- Sudden spikes in daily spend
- New services that appeared this period
- Unused resources still incurring charges
Phase 3: Optimization Recommendations
Provide actionable recommendations with estimated savings:
- Reserved Instances or Savings Plans opportunities
- Right-sizing overprovisioned resources
- Storage tier optimization (S3 lifecycle policies)
- Spot Instance candidates for non-critical workloads
Output Format
```markdown
AWS Cost Analysis Report
Period: Feb 1 - Feb 9, 2026 | Total Spend: $24,567.89
Top 5 Services by Cost
| Service | Cost | % of Total | MoM Change |
|---|---|---|---|
| Amazon EKS | $8,234 | 33.5% | +12% |
| Amazon EC2 | $6,789 | 27.6% | -3% |
Optimization Opportunities
| Recommendation | Estimated Monthly Savings |
|---|---|
| Right-size 3 oversized EC2 instances | $450/mo |
| Purchase EKS Savings Plan | $1,200/mo |
| ``` |
Examples
- "Show me the AWS cost breakdown for the last month"
- "What are our top 5 most expensive AWS services?"
- "Are there any cost anomalies this month?"
- "How can we reduce our AWS spend?"
Guidelines
- Default to last 30 days if no time period is specified
- Always show both absolute costs and percentage of total
- Include month-over-month comparison for context
- Round costs to 2 decimal places for totals, whole dollars for individual services
- Be specific in optimization recommendations (name the resource, not just the category)
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.
- 9d ago First seen · 69 lines · 44 tokens per session scan A 49971ba38b46
aws-cost-analysis is a skill published in the GitHub repository caipe-io/ai-platform-engineering (407 stars, last pushed today), licensed Apache-2.0. It adds 44 tokens to every session and 595 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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