io.github.mrfentmen/iban-mcp
iban-mcp
Is the io.github.mrfentmen/iban-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.
Validate IBANs offline with the official length table and mod-97 checksum, country by country
alive probed 2026-11-15 · unchanged since 2026-10-29
- Run it
- npx -y @mrfentmen/iban-mcp@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- iban-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 317 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 339. The o200k_base estimate is 186. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-10-28 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.70×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| validate_iban | 177 | 104 | 56 % |
| list_iban_countries | 140 | 82 | 44 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/hxml-mcp · alive
- io.github.mrfentmen/hy-mcp · alive
- io.github.mrfentmen/hyphy-mcp · alive
- io.github.mrfentmen/iana-tld-mcp · alive
- io.github.mrfentmen/iban-validator-mcp · alive
- io.github.mrfentmen/ical-mcp · alive
- io.github.mrfentmen/icd10-mcp · alive
- io.github.mrfentmen/icd11-mcp · alive
Servers that mention iban.
- ai.ohmyfin/banking-intelligence · alive
- app.run.europe-west1.x402-seller-202595743428/eudata402 · not found
- Portugal Payments (Stripe — Multibanco) app.wishpool/portugal-payments-mcp · no DNS
- VerifyDesk com.agenttoolworks/verifydesk · alive
- APIShed com.apished/apished · not MCP
- Checksum Validator com.apished/checksum-validator · alive
- Duo Data Utilities: IBAN, VAT, ISIN Validation API com.duoleads.api/data-utilities · alive
- Generate Random IBAN com.generaterandomiban/iban-generator · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.