Vellium & Co

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AgentTools

Convert numbers to Roman numerals (1–3999) and Roman numerals back to numbers, with strict validation that rejects non-standard forms like IIIM or VX. Use this when an agent needs to numbers ↔ Roman numerals, with validation.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
113 ms
Price
$0.002 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
5
Category
Calculators and conversions
Address
https://agenttools-hub.vercel.app/api/v1/converters/roman-numeral-converter

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/89964969b49f.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].