Turkish IBAN, Tax Number & National ID Validation MCP Server

by foster-ops Your server? Claim it

answering

Turkish IBAN, Tax Number & National ID Validation is answering right now. Last checked 1 min ago. It exposes 3 tools.

Checksum validation of Turkish IBANs, tax numbers (VKN) and national IDs (TCKN). Nothing stored.

Uptime history 4 days of history

4 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

161 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Turkish IBAN, Tax Number & National ID Validation every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add turkey-identifier-validation --transport http https://foster-mcp.esakiz.workers.dev/validate/mcp

Settings → Connectors → Add custom connector, then paste this address

https://foster-mcp.esakiz.workers.dev/validate/mcp

~/.codex/config.toml

[mcp_servers.turkey-identifier-validation]
url = "https://foster-mcp.esakiz.workers.dev/validate/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "turkey-identifier-validation": {
      "url": "https://foster-mcp.esakiz.workers.dev/validate/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "turkey-identifier-validation": {
      "type": "http",
      "url": "https://foster-mcp.esakiz.workers.dev/validate/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

validate

validate_iban

Validates a Turkish (TR) IBAN: 26 characters, structure, reserved digit and ISO 13616 mod-97 checksum. Returns the normalized and grouped form, the 5-digit bank code and the account number part. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.

validate_national_id

Validates the check digits of an 11-digit Turkish national identity number (T.C. Kimlik Numarası, TCKN), which individuals also use as their tax number. The number is personal data: it is not echoed back. It does not confirm the person exists. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.

validate_tax_number

Validates the check digit of a 10-digit Turkish tax identification number (Vergi Kimlik Numarası, VKN) used by companies. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.

Endpoints

URL	Transport	State	Latency	Checked
https://foster-mcp.esakiz.workers.dev/validate/mcp	streamable-http	answering	220 ms	1 min ago

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Turkish IBAN, Tax Number & National ID Validation — questions

Answers built from our own checks of this server.

What can Turkish IBAN, Tax Number & National ID Validation do?

It exposes 3 tools, read directly from the server on our last check. Among them: validate_iban, validate_national_id, validate_tax_number. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Turkish IBAN, Tax Number & National ID Validation working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 161 ms. The bar chart above shows every period we have measured.

How do I connect Turkish IBAN, Tax Number & National ID Validation?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Turkish IBAN, Tax Number & National ID Validation need an API key?

No. Turkish IBAN, Tax Number & National ID Validation completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Turkish IBAN, Tax Number & National ID Validation?

It answers our handshake in 161 ms on average, which is faster than 81% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.