handelsregister-cli: Instructions file for Claude Code

AGENTS.md

handelsregister-cli AGENTS.md is an instructions file for Claude Code, Codex, OpenCode from DespotB/handelsregister-cli. It costs 662 tokens per session, scanned A, original, MIT.

Project instructions for using the German commercial register, an official source of company documents such as shareholder lists and articles of association, through the hreg command-line tool.

In plain words
What is it for?
Use them to install and run hreg, search for companies, identify the correct court and register number, and fetch official German commercial-register documents.
Why use it?
They reduce the risk of guessing a company identity or using the wrong register document. The instructions require searching first and confirming among similar results.

Instructions file for Claude CodeCodexOpenCode

Written for Claude Code and Codex and OpenCode: Claude Code plugin machinery, but also the file is AGENTS.md. Also seen: mentions Claude Code.

This is DespotB/handelsregister-cli's own configuration. It tells Claude Code, Codex and OpenCode how to work on handelsregister-cli itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything handelsregister-cli configures →

Reuse

Borrowing it

Nothing to install: this file belongs to DespotB/handelsregister-cli. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/DespotB/handelsregister-cli/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/DespotB/handelsregister-cli

Made for: Claude Code, Codex, OpenCode.

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Per session 662 This file is loaded in full into every session.
When invoked 662 The same file — it is already loaded in full.
Security scan A 0 findings. 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 $0.00662 $0.00662
Opus 5.5 $0.00265 $0.00265
Sonnet 5.5 $0.00132 $0.00132
Haiku 4.5 $0.00066 $0.00066

Measured 1mo ago against content hash e96e7539d700, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

handelsregister-cli AGENTS.md 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 1mo 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.

AGENTS.md · 75 lines

How it starts

The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Instructions for AI agents

You have been pointed at handelsregister-cli to fetch official German commercial-register documents (Handelsregister) — e.g. a Gesellschafterliste (shareholder list), Gesellschaftsvertrag (articles of association), or a current printout — for a company. Follow this recipe exactly.

1. Install the hreg CLI (once)

Check first: hreg --version. If missing, install with the first of these tools that exists on the machine:

uv tool install git+https://github.com/DespotB/handelsregister-cli
# or
pipx install git+https://github.com/DespotB/handelsregister-cli
# or
pip install --user git+https://github.com/DespotB/handelsregister-cli

If hreg is still not found afterwards, the install bin directory is probably not on PATH — try ~/.local/bin/hreg --version and call it by that path. If all installers fail, report what needs to be installed and stop.

No accounts, API keys, or fees are needed; the register is free by law.

2. Search first, never guess

hreg search "<company keywords>" --json
  • No results: broaden the keywords or add --mode any.
  • Several plausible results: show name + court + register number and ask the user which one is meant, unless they already gave a register number.

3. Fetch

hreg fetch "<keywords>" --register "<HRB/HRA number>" -o "<outdir>" --json
  • Default downloads everything; narrow with --docs AD,CD,SI,DK (Gesellschafterlisten and Gesellschaftsverträge live in the DK folder).
  • The command is slow by design (~3 s between requests; a full fetch takes minutes). Never lower --delay below 3 and never loop over many companies — the portal rate-limits at roughly 60 requests/hour.

4. Report

Read manifest.json in the output directory and summarise: which documents were downloaded (highlight Gesellschafterlisten and Gesellschaftsverträge with their dates), what was skipped and why, and where the files are. Duplicates are already removed by SHA-256 checksum; "skipped: empty category" entries are portal-tree duplicates, not errors.

Read the full file on GitHub · 75 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. 1mo ago First seen · 75 lines · 662 tokens per session scan A e96e7539d700

Subscribe to this mod's changes

handelsregister-cli AGENTS.md is an instructions file published in the GitHub repository DespotB/handelsregister-cli (3 stars, last pushed 2mo ago), licensed MIT. It adds 662 tokens to every session, about $0.0026 per session on Opus 5.5. 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 2026-08-31.

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