33 deterministic data utilities as MCP tools: ID and IBAN check digits, dates and time zones, text and Unicode, URL/hash/JWT parsing, geo, chain primitives, reference tables and number tools. Pricing: $0.05 per tool call, paid over x402 in USDC on Base (eip155:8453). No account or API key; your agent pays per call. Docs: https://api.duoleads.com/docs Terms: https://api.duoleads.com/terms
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First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
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| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Smithery | Duo Data Utilities | - | 2 Oct 2026 |