sedlabanki

sedlabanki is a skill for Claude Code, Codex from jokull/icelandic-data. It costs 43 tokens per session (4,264 once invoked), scanned A, original, MIT.

A data-access tool for statistics from the Central Bank of Iceland, including interest rates, bank balance sheets, new lending, foreign-exchange activity, and reserves. SDMX is a common format for exchanging statistical data between organizations.

In plain words
What is it for?
Use it to collect daily policy and market interest rates, monetary-system balance sheets, new credit, foreign-exchange purchases and sales, turnover, and reserves from the bank’s data portal.
Why use it?
It helps retrieve data from Icelandic central-bank websites that load their content through interactive web applications instead of ordinary web pages.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Install

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.

agentmods
npx agentmods add skills/jokull/icelandic-data/sedlabanki
Any agent
npx skills add jokull/icelandic-data --skill sedlabanki
Clone the repo
git clone --depth 1 https://github.com/jokull/icelandic-data

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for sedlabanki

README.md
[![agentmods](https://agentmods.dev/badge/skills/jokull/icelandic-data/sedlabanki.svg)](https://agentmods.dev/skills/jokull/icelandic-data/sedlabanki)
Your own site
<a href="https://agentmods.dev/skills/jokull/icelandic-data/sedlabanki"><img src="https://agentmods.dev/badge/skills/jokull/icelandic-data/sedlabanki.svg" alt="Measured on agentmods" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,264 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00043 $0.04264
Opus 5 $0.00022 $0.02132
Sonnet 5 $0.00009 $0.00853
Haiku 4.5 $0.00004 $0.00426

Measured 6d ago against content hash 7d5b2b149aa9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

sedlabanki 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 6d 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.

> The SDMX URL below is therefore a **proxy payload, not a URL you can curl**.
.agents/skills/sedlabanki/SKILL.md · 322 lines

How it starts

The opening of the file, as written. The whole thing — 322 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Seðlabanki Íslands (Central Bank of Iceland)

Monetary and financial statistics: interest rates, balance sheets, and new credit.

Important: Both sedlabanki.is and gagnabanki.is are JavaScript SPAs (Blazor / Angular). Simple HTTP fetches return empty HTML shells. Use Playwright for data extraction.

Data Scope

Three core datasets covering Iceland's monetary system:

0. Key Interest Rates (Meginvextir Seðlabankans)

Type: Daily observations Period: Jan 2007 - present (18+ years) Frequency: Daily (business days)

Central Bank policy rates:

  • Meginvextir / Key rate (7-day term deposit rate) — the main policy rate since 2014
  • Vextir á daglánum / Overnight lending rate
  • Vextir á viðskiptareikningum / Current account rate
  • Also: 7-day collateralised lending, 28-day CBI CDs, REIBOR rates

Source: gagnabanki.is Power BI embed (report key: interests)

Data Portal: gagnabanki.is

The Central Bank's data portal at gagnabanki.is is an Angular SPA wrapping Power BI reports.

Architecture:

  • Config API: GET https://gagnabanki.is/api/config — returns all report IDs, time series keys, filters
  • Embed token: GET https://gagnabanki.is/api/embed/{groupId}/{reportId}
  • Group ID: 05060786-7f48-4442-8981-314b262d68a7
  • Data flows through Power BI's WABI backend (*.pbidedicated.windows.net)

Interest Rate Report:

  • Config key: interests
  • Report ID (live): 2b28c90f-7da7-4fd0-bd9b-f87ffeddbb07
  • Dataset: e75e5a3b-6118-4899-a266-62550d1b32e4
  • Default series: keys 24, 28, 17923
  • All series keys: [17923, 28, 75, 55, 24, 3459, 17922, 4125, 289, 3460, 3461, 3458]

Extraction method: Playwright intercepts Power BI querydata responses from *.pbidedicated.windows.net. Data arrives in DSR (DataShapeResult) format with compressed values.

# Fetch interest rates to CSV
uv run python scripts/sedlabanki_rates.py

# Output as JSON
uv run python scripts/sedlabanki_rates.py --json

Output: data/processed/sedlabanki_rates.csv with columns: date, series, value

Read the full file on GitHub · 322 lines

Changes

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.

  1. 6d ago First seen · 322 lines · 43 tokens per session scan A 7d5b2b149aa9

Subscribe to this mod's changes

sedlabanki is a skill published in the GitHub repository jokull/icelandic-data (52 stars, last pushed yesterday), licensed MIT. It adds 43 tokens to every session and 4,264 once invoked, about $0.0002 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 2026-08-30.