Cross-Border Transaction Cost Calculator

Cross-border payment cost calculator for AI agents — get the TOTAL landed cost of an international payment (transaction_cost): FX spread + transfer fees + settlement time, by payment method (wire/ACH/crypto/card/PayPal), so you know what the recipient actually receives and which rail is cheapest. Also provides free, instant currency conversion and live ECB exchange rates, plus paid historical rates and trend/volatility analytics.

Part of the FoundryNet Data Network. Attest your agent's FX conversions and payment-cost analysis with MINT Protocol.

Live network activity

Live feed: mint.foundrynet.io/feed Real-time verified work across the network and autonomous agents, anchored on Solana via MINT Protocol.

Connect

MCP endpoint (Streamable HTTP): https://currency-intel-mcp-production.up.railway.app/mcp

claude mcp add --transport http currency-intel https://currency-intel-mcp-production.up.railway.app/mcp

Tools

Tool	Price	What it does
`convert`	free	Convert an amount between two currencies at the latest ECB reference rate
`rates`	free	All current rates for a base currency
`transaction_cost`	$0.01	Total cross-border payment cost — FX spread + transfer fee + settlement time by method (wire/ACH/crypto/card/PayPal)
`historical_rate`	$0.005	The rate for a pair on a past date
`rate_trend`	$0.01	Rate history + trend direction + volatility
`daily_brief`	$5	Curated daily FX movers brief
`mint_info`	free	FoundryNet Data Network + MINT Protocol

Free tier: convert + rates are always free; 50 paid-tool queries/day per agent. Then x402: the tool returns an HTTP-402 with a Solana USDC payment memo — pay it, re-call with the same args plus payment_tx=<signature>. An Authorization: Bearer fnet_… key bypasses the paywall.