exchange-rates?base=USD&op=rates

Live foreign-exchange reference rates from the European Central Bank (via frankfurter.dev): a full rate table against any base currency, or cross-rate conversion of any amount.

Live foreign-exchange reference rates from the European Central Bank (via frankfurter.dev): a full rate table against any base currency, or cross-rate conversion of any amount. Refreshed every business day by the ECB, cached one hour. Use this when an agent needs to live ECB reference rates for 30 currencies.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.002 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x8a0f2b0a…0802b0f6

URL

https://agenttools-hub.vercel.app/api/v1/live/exchange-rates?base=USD&op=rates

MCP server on this host: io.github.Thyphex/agenttools-hub

Seen

first 2 days ago · last 17 hr ago

4 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.400 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.600: 0.600 uncertain ? + 0.000 short ? · 0.050 to D

How the composite of 0.400 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.000		0.000	0	−0.600
latency p95 it answered as fast as its class	0.20	1.00	1.000		0.200	0	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.400	gap to 1.000 = 0.600 · 0.000 short · 0.600 uncertain	0.400	−0.000	−0.600

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.000   liveness       
+ 0.200 × 1.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.400           → UNRATED: 2 of 30 paid calls      weights 2026.09.6 · 2 samples · seed cap_01M3XJC3C6A3YR5G9SKNHXSM5X|2026-09-02T23:41:42.918Z|2026.09.6

Verify it yourselfnpx teppi-check https://agenttools-hub.vercel.app/api/v1/live/exchange-rates?base=USD&op=ratescurl -s https://api.teppi.xyz/v1/trust/cap_01M3XJC3C6A3YR5G9SKNHXSM5X