Card snapshot
air-quality.hergertsynthora.com
·
2026-07-26 17:29:43 UTC
·
0c9a3feaa9c0f068d19a46daf4416c134c9cb6e2e491d7dd0d715ac3f81495a8
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": "Real-time air quality (PM2.5, PM10, ozone, NO2, European AQI) for any lat/lon via Open-Met",
"description": "Real-time air quality (PM2.5, PM10, ozone, NO2, European AQI) for any lat/lon via Open-Meteo. Free, no key. $0.01 USDC via x402 on Base. First 3 calls FREE per wallet \u2014 send header X-WALLET: 0x<addr>. No charge on upstream failure.",
"url": "https://air_quality.hergertsynthora.com/service",
"preferredTransport": "HTTP+JSON",
"additionalInterfaces": [
{
"url": "https://air_quality.hergertsynthora.com/service",
"transport": "HTTP+JSON"
},
{
"url": "https://air_quality.hergertsynthora.com/a2a",
"transport": "JSONRPC"
}
],
"version": "1.0.0",
"provider": {
"organization": "HERGERT SYNTHORA",
"url": "https://hergertsynthora.com"
},
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "air_quality",
"name": "air quality",
"description": "Real-time air quality (PM2.5, PM10, ozone, NO2, European AQI) for any lat/lon via Open-Meteo. Free, no key. $0.01 USDC via x402 on Base. First 3 calls FREE per wallet \u2014 send header X-WALLET: 0x<addr>. No charge on upstream failure.",
"tags": [
"air",
"quality",
"x402",
"synthora",
"m2m",
"a2a"
],
"examples": [
"{\"latitude\": 40.4, \"longitude\": -3.7}"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"inputSchema": {
"type": "object",
"properties": {
"latitude": {
"type": "number",
"description": "latitude"
},
"longitude": {
"type": "number",
"description": "longitude"
}
},
"required": [
"latitude",
"longitude"
]
}
}
],
"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": "0x10800a5a5B9d72251566EC651E862A8b4B427dE0",
"resource": "https://air_quality.hergertsynthora.com/service"
},
"mcp": {
"endpoint": "https://air_quality.hergertsynthora.com/mcp",
"transport": "http-jsonrpc"
}
}