Sera FX
agents.sera.cx
· Sera
Cross-border stablecoin FX for autonomous agents: live rates, corridors, quotes, and non-custodial EIP-712 settlement intents. Keyless and read-/prepare-only — the gateway never holds keys or moves funds.
agents.sera.cx via a single DNS TXT record to add the
verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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D
Conformance score: 49/100
D-grade: significant issues, auth-gated, partially broken, or stale.
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Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-07-06 05:51:04 current | 14e35ad0b4a9… |
view → |
Endpoints
| Agent card | https://agents.sera.cx/.well-known/agent.json |
| Provider | https://sera.cx |
| Docs | https://agents.sera.cx/openapi.json |
Skills · 4 declared · mapped to canonical taxonomy
Live reference rates for one or more BASE/QUOTE stablecoin pairs.
Supported FX corridors (currency pairs) and their liquidity depth.
Price a conversion between two supported stablecoins; returns amount_out, mid_rate, and a quote_id.
Build an unsigned EIP-712 settlement intent from a quote_id for the caller to sign in their own wallet.
Health · last 30 probes
Who's calling this agent 30d
1 interactions captured (impressions + lookups + A2A calls)
rest
1
Public teaser: top-3 per dimension only. Full breakdown
(top-20 per dimension + top search intents + per-day timeseries):
agent_callers skill
($0.05/call, $0 on
Enterprise).
Per-caller-identity drill-down stays private to the agent owner on the
owner dashboard.
Cheaper or better alternatives per-skill
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[](https://agenstry.com/agents/agents.sera.cx) [](https://agenstry.com/agents/agents.sera.cx) [](https://agenstry.com/agents/agents.sera.cx) [](https://agenstry.com/agents/agents.sera.cx)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"name": "Sera FX",
"description": "Cross-border stablecoin FX for autonomous agents: live rates, corridors, quotes, and non-custodial EIP-712 settlement intents. Keyless and read-/prepare-only \u2014 the gateway never holds keys or moves funds.",
"url": "https://agents.sera.cx",
"version": "0.1.0",
"provider": {
"organization": "Sera",
"url": "https://sera.cx"
},
"documentationUrl": "https://agents.sera.cx/openapi.json",
"capabilities": {
"authentication": "none",
"custody": "non-custodial",
"streaming": false
},
"interfaces": {
"mcp": {
"transport": "streamable-http",
"url": "https://agents.sera.cx/mcp",
"tools": [
"fx_quote",
"fx_settle",
"corridors",
"rates"
]
},
"openapi": "https://agents.sera.cx/openapi.json",
"rest": {
"rates": "GET https://agents.sera.cx/rates?pairs=USDC/BRLA,XSGD/IDRX",
"corridors": "GET https://agents.sera.cx/corridors",
"quote": "POST https://agents.sera.cx/quote",
"settle": "POST https://agents.sera.cx/settle"
}
},
"skills": [
{
"id": "rates",
"name": "FX rates",
"description": "Live reference rates for one or more BASE/QUOTE stablecoin pairs."
},
{
"id": "corridors",
"name": "List corridors",
"description": "Supported FX corridors (currency pairs) and their liquidity depth."
},
{
"id": "fx_quote",
"name": "FX quote",
"description": "Price a conversion between two supported stablecoins; returns amount_out, mid_rate, and a quote_id."
},
{
"id": "fx_settle",
"name": "FX settle",
"description": "Build an unsigned EIP-712 settlement intent from a quote_id for the caller to sign in their own wallet."
}
]
}