@toolstop/check-digits

MCP server that catches mistyped barcodes, ISBNs, VINs and other public structured identifiers before a bad one causes a rejected listing, a bounced claim or a corrupted record.

npm · fingerprint dbbcd6731679fdf0a78bd0bc · repository · RSS

3tools

1recorded versions

45dtracked

last checked 4 Sep

What changed

Nothing, since tracking began. That is the good outcome, and it is what most servers look like.

Current tools

Show all 3 tool fingerprints

compute_luhn_digit

ea04be1cbdbbb4fd

identify_format

54cdffa0dba572ca

validate_identifier

f8fb10c193387b64

Watch this server yourself

If you run this server, put the proxy in front of it. It pins these exact fingerprints on first connect and stops the session if they move.

npx -y mcp-pin@0.2.3 -- <your @toolstop/check-digits command>

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Badge

The badge states one fact about time and nothing else. It never claims a server is safe.

[![mcp-pin](https://mcp-pin.gautamkhosla.com/badge/19cd20e374525d99.svg)](https://mcp-pin.gautamkhosla.com/servers/19cd20e374525d99.html)