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 taivop/marketplace --skill bank-of-statisticsgit clone --depth 1 https://github.com/taivop/marketplaceWrote 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/taivop/marketplace/bank-of-statistics)<a href="https://agentmods.dev/skills/taivop/marketplace/bank-of-statistics"><img src="https://agentmods.dev/badge/skills/taivop/marketplace/bank-of-statistics/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/taivop/marketplace/bank-of-statistics"><img src="https://agentmods.dev/badge/skills/taivop/marketplace/bank-of-statistics.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 | $0.00025 | $0.00479 |
| Opus 5 | $0.00013 | $0.00239 |
| Sonnet 5 | $0.00005 | $0.00096 |
| Haiku 4.5 | $0.00003 | $0.00048 |
Grade A, and why
bank-of-statistics 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 12d 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
Bank of Estonia Statistics
Access
Public JSON endpoints behind the portal at https://statistika.eestipank.ee/. No login, but send a browser user agent plus Referer: https://statistika.eestipank.ee/; Cloudflare may reject generic clients.
Retrieve
Use these headers for /spring/* requests:
Accept: application/json, text/plain, */*
X-Requested-With: XMLHttpRequest
Referer: https://statistika.eestipank.ee/
User-Agent: Mozilla/5.0
Currency discovery:
GET https://statistika.eestipank.ee/spring/getValuutad?lang=et
Known-valid history example:
GET https://statistika.eestipank.ee/spring/getValuutaKurssAjaloos?valuuta1=USD&valuuta2=GBP&aegAlg=1.1.2010&aegLopp=7.1.2010&lang=et&step=DAY
step accepts DAY, WEEK, MONTH, QUARTER, SEMIANNUAL, or YEAR. Dates use d.m.yyyy. Other indicator families are selected in the portal; preserve the /spring/* request and parameters observed there.
Return
Keep the indicator/currency codes, date or period, value, unit/currency, frequency, filters, endpoint, parameters, and retrieval time. The exchange-rate history fields are aeg, kurss, and teade; decimal commas are locale-formatted numbers.
Limits
- The frontend endpoints are public but not a versioned API; contracts can change with the portal.
- Incomplete or incompatible parameters can return an empty array with HTTP 200.
- Cloudflare cookies or a normal user agent may be required even when the endpoint is public.
Verify
Require application/json and a non-empty array. The known-valid history example returns four records dated 4-7 January 2010; getValuutad returns objects containing code, name, and teade.
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.
- 12d ago First seen · 50 lines · 25 tokens per session scan A 3b91f774358b
bank-of-statistics is a skill published in the GitHub repository taivop/marketplace (17 stars, last pushed 12d ago), licensed MIT. It adds 25 tokens to every session and 479 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 2026-08-30.
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