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CheckDigit

Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN.

Connector by checkdigit.mike-tusa.workers.dev · Domain verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/checkdigit-mike-tusa-workers-dev-checkdigit

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://checkdigit.mike-tusa.workers.dev/mcp Remote (HTTP)

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About

Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only.

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
2 read · 0 write · 0 deleteRead-only
Secrets
1 (API keys, tokens or passwords)
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 2

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 2 · Look things up without changing anything.

  • get_meta
  • validate_code

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

  • Authorization

Network hosts it talks to 1

  • checkdigit.mike-tusa.workers.dev · found in remote endpoint, install command

Tools (2)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • get_metaService version, supported formats and limitsread-only

    Return the service version and build, supported IBAN and VAT countries, GTIN formats, the disclaimer and the current limits. Does not count as a check. Read-only. Same data as GET /v1/meta.

  • validate_codeValidate an IBAN, BIC, EU VAT number, GTIN/EAN/UPC or ISBNread-only

    Check the format and check digits of one identifier: IBAN (ISO 13616, per-country length and layout), BIC/SWIFT (ISO 9362 format and country), EU VAT number (offline checksum, VIES not queried), GTIN/EAN-8/UPC-A/EAN-13/GTIN-14 (GS1 mod 10) or ISBN-10/13. type "auto" (default) detects the type from the shape. Returns valid, a reason when invalid (e.g. the expected check digit), and normalized/formatted forms. Format check, not a compliance check: valid does not mean the account, registration or product exists. The code is sent in a POST body and not stored or logged. Read-only. Same engine, key…

Signals

Last release
Oct 15, 2026 (14 days ago)

Details

Registry name
dev.workers.mike-tusa.checkdigit/checkdigit
Version
0.2.1
Auth
Bearer token
License
License unknown
Website
checkdigit.mike-tusa.workers.dev/
First seen
Oct 24, 2026
Last checked
Oct 25, 2026
Source
Official MCP Registry
Cite this page

CheckDigit MCP server. Agent Mart. https://agentmart.dev/connectors/checkdigit-mike-tusa-workers-dev-checkdigit (last updated 2026-10-25)