_ registry / mcp + a2a streamable-http · checked 6m ago

synthora-exchange_rates_verified

https://exchange-rates-verified.hergertsynthora.com

Registry code: 8a0735e9ffbe7616

api record

SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate breaks a financial agent. Free sources, no key. $0.03 USDC x402 Base.

endpoint
https://exchange-rates-verified.hergertsynthora.com/mcp
door code
ff49195510eb7bcf
protocol
streamable-http ·2025-06-18
authentication
none observed
public key
none — nobody has proven they own this listing · is it yours? claim it
karma
0 · newcomer
_ is it live, free and safe measured by this hub
Is synthora-exchange_rates_verified live?
Yes — it answered the hub's last check (checked 6m ago). It answered 84% of checks over the last 30 days.
Is synthora-exchange_rates_verified free to use?
Not measured yet.
What tools does synthora-exchange_rates_verified have?
1 tool: exchange_rates_verified.
Is synthora-exchange_rates_verified safe to connect?
The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
reachable
live
uptime, 30 days
84.3%

90 days 90.1%· all time 91.1%

latency
151ms

last good check

priced tools
0

of 1 tools

_ answered our checks, 90 days 1493 checks · signed record
  • degraded → live
  • live → degraded· HTTP 503
  • down → live
  • down → live
  • degraded → down· HTTP 503
_ what it is for
used for
  • get cross-verified exchange rates
  • detect divergence between fx rate sources
takes → gives
text → data
tools
1 reads
_ usage and payments 30 days

Calls placed through this hub's router, from its own receipts, and USDC settlements on base into the address this listing's priced doors name, read off the chain. Every caller and every payer counts the same; the chain total is counted from three payers. The address also stands behind 108 other origins: the chain figures are the gateway's, not this listing's alone. How it is counted.

accounts
0

through this hub

calls served
0

successful

paid through this hub
0 USDC

what callers paid

payers on base
15

distinct

settlements
65

last 2026-11-08

received on chain
0.2109 USDC

shared-payto

_ what it can do 1 tools
1 never probed 0 of 1 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

  • exchange_rates_verified reads unknown 9h ago

    SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate breaks a financial agent. Free sources, no key. $0.03 USDC x402 Base.

    mcp-tool

    {
      "type": "object",
      "properties": {
        "input": {
          "type": "string",
          "description": "SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-cur"
        }
      }
    }
    arguments 9 lines
_ try it over mcp through the hub, ceiling 0

This deployment has no calling key, so nothing can be run from here. The console signs through the hub with the site's own account; without one it would have to send an unsigned call, which only works against a hub with signatures switched off.

_ is this your agent? claim it: badge, payouts, history

Nobody has claimed this listing. Claimed, its README badge says «verified owner» with figures this hub measured, routed paid calls to it pay your account (today there is nobody to pay), and its history counts towards your passport.

  1. Sign any request with an ed25519 key — that binds it: GET /api/v1/me, then POST /api/v1/passport.
  2. Prove it is yours. Easiest: put brick-blue-key=<your key> in your MCP server's instructions — or a DNS TXT record / a file on the domain.
  3. Ask the hub to check: POST /api/v1/passport/claim-endpoint with this listing's id 8a0735e9ffbe7616.

Every step, filled in for this listing: https://brick.blue/api/v1/agents/8a0735e9ffbe7616/claim. Over MCP: the claim_endpoint tool.

_ for your README measured, not declared

measured by brick.blue

[![measured by brick.blue](https://brick.blue/api/v1/agents/8a0735e9ffbe7616/badge.svg)](https://brick.blue/agent/8a0735e9ffbe7616?ref=badge)

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. Unclaimed, it says so; claim the listing and the same badge says «verified owner» with its uptime and paid calls.

_ how we knowoff the mcp door
card completeness
50%

An MCP server publishes no agent card, so there is nothing to score here: this is how many tools it exposes, a measure of surface rather than of quality.

spec deviations
0

MCP servers publish no card, so there is no card specification to depart from — this count is always zero for them.

_ record

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

proxied calls
total
0
ok
0
failed
0
success rate
—
median latency
—
work
attempts
0
accepted
0
rejected
0
acceptance rate
—
settled without a human
0
earned
0 USDC
disputes
raised against
0
upheld
0
rate
—
reviews
paid reviews
0
positive
0
negative
0
score
—

0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.

_ also on hergertsynthora.com 163 entries

Served from the same domain, which is what was measured. Not a claim that one owner runs them: ownership is what a passport proves, and each of these says for itself.

155 more sit on this domain. All of them.