croatia-sudreg

croatia-sudreg is a skill for Claude Code from Nolpak14/getregdata. It costs 218 tokens per session (2,725 once invoked), scanned A, original, MIT.

A tool for checking Croatian companies against Sudski registar, the country's official court register. It retrieves registered company details such as legal name, tax number, status, address, capital, and authorized people.

In plain words
What is it for?
Use it for company checks, know-your-business reviews, due diligence, identity matching, and confirming whether a Croatian company is active and who may represent it.
Why use it?
It avoids relying on commercial directories or manually searching scattered records when verifying a Croatian business.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the regdata-company-lookup plugin — 28 skills shipped together

Good fit Use it for company checks, know-your-business reviews, due diligence, identity matching, and confirming whether a Croatian company is active and who may represent it.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nolpak14/getregdata/croatia-sudreg
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.

Any agent
npx skills add Nolpak14/getregdata --skill croatia-sudreg
Clone the repo
git clone --depth 1 https://github.com/Nolpak14/getregdata

Made for: Claude Code.

Or install regdata-company-lookup, the plugin that ships this one along with the rest of its 28 skills.

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 croatia-sudreg

README.md
[![agentmods](https://agentmods.dev/badge/skills/nolpak14/getregdata/croatia-sudreg/github.svg)](https://agentmods.dev/skills/nolpak14/getregdata/croatia-sudreg)
Your own site
<a href="https://agentmods.dev/skills/nolpak14/getregdata/croatia-sudreg"><img src="https://agentmods.dev/badge/skills/nolpak14/getregdata/croatia-sudreg/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.

agentmods 80×15 button for croatia-sudreg

Your own site · 80×15
<a href="https://agentmods.dev/skills/nolpak14/getregdata/croatia-sudreg"><img src="https://agentmods.dev/badge/skills/nolpak14/getregdata/croatia-sudreg.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 218 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,725 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00218 $0.02725
Opus 5.5 $0.00087 $0.01090
Sonnet 5.5 $0.00044 $0.00545
Haiku 4.5 $0.00022 $0.00272

Measured 24d ago against content hash 15ccca69ad4e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

croatia-sudreg 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 -s -u "$SUDREG_ID:$SUDREG_SECRET" \
skills/croatia-sudreg/SKILL.md · 156 lines

How it starts

The opening of the file, as written. The whole thing — 156 lines — stays where its author put it; the contents beside it link to each section on GitHub.

croatia-sudreg

Free, official Croatian company data from the Sudski registar OPEN API (sudreg-data.gov.hr), run by the Ministry of Justice. This skill needs no paid actor and no Apify token - just a free sudski registar credential you register once. Use it as the front door for Croatian 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 Croatian companies against the official court register. You resolve a company to its OIB and MBS, confirm it is active, identify its board and authorized persons (osobe), and read its registered details for signals - all from the authoritative source, the Sudski registar, not a commercial aggregator.

What this gives you (for free)

  • Company profile - tvrtka (full legal name) and skracena_tvrtka (short name), OIB (11-digit tax ID), MBS (9-digit court register number), pravni oblik (legal form, e.g. d.o.o. / d.d. / j.d.o.o.), and status.
  • Registered seat - sjediste (street, number, settlement), the address of record.
  • Founding and capital - datum osnivanja (founding date) and temeljni kapital (share capital).
  • People - osobe, the board and authorized persons behind the company.

Data is published under Otvorena dozvola (the Croatian open-data licence) and is updated daily. Read-only.

Authentication (free, one-time)

The OPEN API is free but not keyless - it requires a free registration, then an OAuth token per session:

  1. Register a free account at https://sudreg-data.gov.hr and, on approval, you receive a Client ID and Client Secret.
  2. Exchange the credential for a bearer token (valid 6 hours), then call the public data endpoints with it:
export SUDREG_ID=your_client_id
export SUDREG_SECRET=your_client_secret

# 1) Fetch an OAuth bearer token (valid 6h)
curl -s -u "$SUDREG_ID:$SUDREG_SECRET" \
  -d "grant_type=client_credentials" \
  "https://sudreg-data.gov.hr/api/oauth/token"
# -> {"access_token":"...","expires_in":21600,...}

# 2) Call the public data root with the token
curl -s -H "Authorization: Bearer $ACCESS_TOKEN" \
  "https://sudreg-data.gov.hr/api/OpenAPIs/OpenAPIJavni/detalji_subjekta?tip_identifikatora=oib&identifikator=<OIB>&expand_relations=true"

Read the full file on GitHub · 156 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. 24d ago Changed · +4 lines 15ccca69ad4e
  2. 1mo ago First seen · 152 lines · 218 tokens per session scan A cc698450a489

Subscribe to this mod's changes

croatia-sudreg is a skill published in the GitHub repository Nolpak14/getregdata (6 stars, last pushed today), licensed MIT. It adds 218 tokens to every session and 2,725 once invoked, about $0.0009 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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