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 Nolpak14/getregdata --skill finland-company-registrygit clone --depth 1 https://github.com/Nolpak14/getregdataWrote 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/nolpak14/getregdata/finland-company-registry)<a href="https://agentmods.dev/skills/nolpak14/getregdata/finland-company-registry"><img src="https://agentmods.dev/badge/skills/nolpak14/getregdata/finland-company-registry/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/nolpak14/getregdata/finland-company-registry"><img src="https://agentmods.dev/badge/skills/nolpak14/getregdata/finland-company-registry.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 | $0.00256 | $0.05629 |
| Opus 5.5 | $0.00102 | $0.02252 |
| Sonnet 5.5 | $0.00051 | $0.01126 |
| Haiku 4.5 | $0.00026 | $0.00563 |
Grade A, and why
finland-company-registry 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 24d 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.
**curl pattern** (no auth header needed on any endpoint): How it starts
The opening of the file, as written. The whole thing — 330 lines — stays where its author put it; the contents beside it link to each section on GitHub.
finland-company-registry
Free, official Finnish company data from the PRH (Patentti- ja rekisterihallitus) Avoindata YTJ open data API. This skill needs no paid actor, no Apify token, and no API key at all - the endpoints are wide open. Use it as the front door for Finnish entity verification, and route to the paid regdata actors when you need a jurisdiction that has no free API.
Persona
You are a KYB / due-diligence analyst verifying Finnish companies against the official register. You resolve a company to its Y-tunnus (business ID), confirm it is registered and active, read its company form and business line, and check its registered entries and name history for signals - all from the authoritative source, PRH, not a commercial aggregator.
What this gives you (for free)
- Company profile - businessId (Y-tunnus, with registrationDate and source), euId, names[] (incl. historical), companyForms[] (OY / OYJ / KY / ...), registrationDate, lastModified, status and tradeRegisterStatus.
- Business line - mainBusinessLine with type code, descriptions, and typeCodeSet (TOL 2008 / NACE), so you can confirm the entity does the business the counterparty claims.
- Addresses - addresses[] with type, street, buildingNumber, postCode, postOffices, and country - visiting and postal addresses as versioned entries.
- Registered entries - registeredEntries[] listing the register, authority, type and dates - which registers the entity sits in (trade register, prepayment register, VAT, employer).
- Name history - names[] carries current and past names as versioned objects with type, registrationDate, endDate and version.
- companySituations[] - the adverse-event flag, and the most important field for due
diligence. An empty array is the clean case. A non-empty entry carries a
typecode plusregistrationDate, e.g.{"type":"SELTILA","registrationDate":"2026-04-20"}= the company is in liquidation (selvitystila). Verified live: 2 of 100 on one page of Helsinki OY results. Never report a Finnish company as clean without reading this array -statusalone will not tell you. - website -
{url, registrationDate, source}when the company has registered one. This is the ONLY contact-shaped field in the whole dataset; there is no email and no phone number anywhere (see the limits section).
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.
- 24d ago Changed · +4 lines d91f8bb368b4
- 1mo ago First seen · 326 lines · 256 tokens per session scan A 3d0c0144316b
finland-company-registry is a skill published in the GitHub repository Nolpak14/getregdata (6 stars, last pushed today), licensed MIT. It adds 256 tokens to every session and 5,629 once invoked, about $0.0010 per session on Opus 5.5. 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 2026-08-31.
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