Claude Code, Plugin
Verify Polish Company
Verify Polish companies by NIP/KRS/REGON, check VAT status and bank accounts on the Ministry of Finance White List, and validate EU VAT via VIES — free, keyless REST + MCP.
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
NETWORK_NAMED_HOST
Why this grade
- NETWORK_NAMED_HOST Note
Calls a fixed host that the description names.
skills/verify-polish-company/SKILL.md, line 59
curl "https://skanfirmy.pl/nip/5260250995?format=json"
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Note
can reach skanfirmy.pl.
NETWORK_NAMED_HOST
skills/verify-polish-company/SKILL.md, line 59
curl "https://skanfirmy.pl/nip/5260250995?format=json"
skills/verify-polish-company/SKILL.md, line 62
curl "https://skanfirmy.pl/regon/5260250995?format=json"
skills/verify-polish-company/SKILL.md, line 65
curl "https://skanfirmy.pl/vies/IE/6388047V?format=json"
Show more
skills/verify-polish-company/SKILL.md, line 68
curl "https://skanfirmy.pl/nips/5252344078,5260251049,7740001454?format=json"
skills/verify-polish-company/SKILL.md, line 107
curl -s https://skanfirmy.pl/mcp \
Secrets
Pass
No read of a credential file or secret environment variable found.
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit ca7807db4c20. can reach skanfirmy.pl.
Date and source
Date checked:
github.com
Commit graded: ca7807db4c2057fbcb3492aa8007c23fa6af92c9
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