Card snapshot
top-crypto.hergertsynthora.com
·
2026-09-09 08:15:56 UTC
·
234a7119790f2e06b11a4b3ddd021d409aabe993deb19fc4baac99ba839201cb
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"protocolVersion": "0.3.0",
"name": "SYNTHORA top-crypto",
"description": "SYNTHORA top-crypto: Top N cryptocurrencies by market cap (default 10, max 50): rank, price, 24h change, volume and market cap in USD. Source: CoinGecko free API, keyless, timestamped.",
"url": "https://api.hergertsynthora.com/v1/top-crypto",
"preferredTransport": "HTTP+JSON",
"additionalInterfaces": [
{
"url": "https://api.hergertsynthora.com/v1/top-crypto",
"transport": "HTTP+JSON"
},
{
"url": "https://api.hergertsynthora.com/v1/a2a",
"transport": "JSONRPC"
}
],
"version": "1.0.0",
"provider": {
"organization": "SYNTHORA",
"url": "https://hergertsynthora.com"
},
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "top_crypto",
"name": "top crypto",
"description": "SYNTHORA top-crypto: Top N cryptocurrencies by market cap (default 10, max 50): rank, price, 24h change, volume and market cap in USD. Source: CoinGecko free API, keyless, timestamped.",
"tags": [
"top",
"crypto",
"x402",
"synthora",
"m2m",
"a2a"
],
"examples": [
"{\"limit\": 10}"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"inputSchema": {
"type": "object",
"properties": {
"limit": {
"type": "integer",
"description": "top N, default 10, max 50"
}
}
}
}
],
"securitySchemes": {
"x402": {
"type": "http",
"scheme": "x402",
"description": "HTTP 402 micropayment. 10000 atomic USDC on eip155:8453."
}
},
"security": [
{
"x402": []
}
],
"x402": {
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0xEf879BFD6C4AccB8F795136de90246e1EC245e06",
"resource": "https://api.hergertsynthora.com/v1/top-crypto"
},
"mcp": {
"endpoint": "https://api.hergertsynthora.com/v1/mcp",
"transport": "http-jsonrpc"
}
}