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 MarieLynneBlock/arcanum-artifex --skill fred-economic-datagit clone --depth 1 https://github.com/MarieLynneBlock/arcanum-artifexWrote 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/marielynneblock/arcanum-artifex/fred-economic-data)<a href="https://agentmods.dev/skills/marielynneblock/arcanum-artifex/fred-economic-data"><img src="https://agentmods.dev/badge/skills/marielynneblock/arcanum-artifex/fred-economic-data/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/marielynneblock/arcanum-artifex/fred-economic-data"><img src="https://agentmods.dev/badge/skills/marielynneblock/arcanum-artifex/fred-economic-data.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00075 | $0.02885 |
| Opus 5 | $0.00037 | $0.01443 |
| Sonnet 5 | $0.00015 | $0.00577 |
| Haiku 4.5 | $0.00007 | $0.00288 |
Grade A, and why
fred-economic-data 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 8d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
response = requests.get( The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
9 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.
- 8d ago First seen · 434 lines · 75 tokens per session scan A ba340ee79e3b
fred-economic-data is a skill published in the GitHub repository MarieLynneBlock/arcanum-artifex (4 stars, last pushed 6d ago), with no licence file. It adds 75 tokens to every session and 2,885 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
Other skills, from other repositories
compliance-frameworks
Swiss financial regulatory compliance — FINMA, GwG/AML/KYC, FIDLEG/FINIG licensing, BankG, crypto/DLT regulation, cross-border obligations (AEOI/CRS, FATCA). Trigger when: user asks about FINMA licensing, AML/KYC compliance, financial services cross-border, crypto regulation, or fintech data processing. Do NOT trigger…
travel-expense-audit
A travel-expense review workflow that checks reimbursement claims against policy handbooks and rate tables. It covers items such as hotel, transport, and daily meal allowances.
azure-cost-optimization
ANALYSIS SKILL — Identify cost savings across Azure subscriptions via cost + utilization analysis. WHEN: "optimize Azure costs", "reduce Azure spending", "find cost savings", "rightsize VMs", "find orphaned resources", "optimize Redis costs". DO NOT USE FOR: deploying (azure-deploy), general diagnostics…
azure-cost-management-api
In PowerShell, inline JSON for Cost Management API causes "Unsupported Media Type" errors.
swiss-legal-drafting
Swiss legal document drafter — creates contracts (OR), court submissions (ZPO), and legal opinions (Gutachten) in DE/FR/IT/EN with correct Swiss citations and Gutachtenstil. Trigger when: a user asks to draft, write, or create a legal document. Uses swiss-citation-formats for citation verification and…
swiss-legal-research
Swiss legal research and jurisdiction resolution — searches BGE/ATF/DTF precedents, interprets federal and cantonal statutes, resolves federal vs. cantonal jurisdiction, and produces verified multi-lingual legal analysis. Trigger when: a user asks what the law says, requests precedents, needs statute interpretation…