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/fru-dev3/fd-apps-prevail-cli/run-a-big-purchase-decisionnpx skills add fru-dev3/fd-apps-prevail-cli --skill run-a-big-purchase-decisiongit clone --depth 1 https://github.com/fru-dev3/fd-apps-prevail-cliWrote 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/fru-dev3/fd-apps-prevail-cli/run-a-big-purchase-decision)<a href="https://agentmods.dev/skills/fru-dev3/fd-apps-prevail-cli/run-a-big-purchase-decision"><img src="https://agentmods.dev/badge/skills/fru-dev3/fd-apps-prevail-cli/run-a-big-purchase-decision.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 | $0.00022 | $0.00255 |
| Opus 5 | $0.00011 | $0.00128 |
| Sonnet 5 | $0.00004 | $0.00051 |
| Haiku 4.5 | $0.00002 | $0.00026 |
Grade A, and why
run-a-big-purchase-decision 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.
The source is not reproduced here
Licensed GPL-3.0
The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.
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 · 18 lines · 22 tokens per session scan A 5f1d97ae902c
run-a-big-purchase-decision is a skill published in the GitHub repository fru-dev3/fd-apps-prevail-cli (10 stars, last pushed 1mo ago), licensed GPL-3.0. It adds 22 tokens to every session and 255 once invoked, about $0.0001 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 2026-09-03.
Other skills, from other repositories
fred-economic-data
Query FRED (Federal Reserve Economic Data) API for 800,000+ economic time series from 100+ sources. Access GDP, unemployment, inflation, interest rates, exchange rates, housing, and regional data. Use for macroeconomic analysis, financial research, policy studies, economic forecasting, and academic research requiring…
tinker-training-cost
Calculates training costs for Tinker fine-tuning jobs. Use when estimating costs for Tinker LLM training, counting tokens in datasets, or comparing Tinker model training prices. Tokenizes datasets using the correct model tokenizer and provides accurate cost estimates.
financial-analysis
Perform comprehensive financial analysis including DCF modeling, ratio analysis, and financial statement evaluation for companies and investment opportunities.
finance-cleanup
Use when the user wants to clean up transactions, fix categories, find missing recurring charges, or do general transaction hygiene in Copilot Money.
finance-pulse
Use when the user asks how they're doing financially, wants a spending check-in, asks about free money or discretionary budget, or says 'pulse'. Read-only — never writes to Copilot Money.
finance-trip
Use when the user wants to track trip expenses, tag travel transactions, find late-posting charges from a trip, or get a trip spending summary. Example: 'tag my Tahiti trip expenses' or 'how much did I spend in Whistler?'.