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Card snapshot
proofprice.com
·
2026-10-23 03:29:44 UTC
·
aeeeee86ca3d5b4bd275faf4b9062c7e6131370dcc396ef97ef808fea5444bf8
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": "ProofPrice",
"description": "Prices people actually paid, from official open data: homes, rents, fuel, energy, food, medicines. This is a read-only price service reached over MCP (https://proofprice.com/api/mcp) and REST (https://proofprice.com/api/v1). It does not run A2A message exchange: use the MCP or REST endpoints, or read https://proofprice.com/llms.txt.",
"url": "https://proofprice.com/api/v1",
"preferredTransport": "HTTP+JSON",
"version": "0.4.0",
"documentationUrl": "https://proofprice.com/connect",
"provider": {
"organization": "ProofPrice",
"url": "https://proofprice.com"
},
"iconUrl": "https://proofprice.com/icon.svg",
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false
},
"securitySchemes": {},
"security": [],
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "broadband",
"name": "Mobile and broadband prices",
"description": "Mobile and broadband prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_broadband_prices; REST GET https://proofprice.com/api/v1/broadband. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"broadband"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "cars",
"name": "Car-related prices actually paid",
"description": "Car prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_car_prices; REST GET https://proofprice.com/api/v1/cars. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"cars"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "childcare",
"name": "Childcare prices paid",
"description": "Childcare prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_childcare_prices; REST GET https://proofprice.com/api/v1/childcare. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"childcare"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "commercial-property",
"name": "Commercial property and land sale prices actually paid",
"description": "Commercial property and land sales: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_commercial_property; REST GET https://proofprice.com/api/v1/commercial-property. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"commercial-property"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "construction",
"name": "Building cost per square metre",
"description": "Construction costs: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_construction_costs; REST GET https://proofprice.com/api/v1/construction. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"construction"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "contracts",
"name": "Government contract prices (what public buyers paid)",
"description": "Government contract prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_contract_prices; REST GET https://proofprice.com/api/v1/contracts. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"contracts"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "diet-costs",
"name": "Cost of a healthy diet per person per day",
"description": "Healthy diet cost: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_diet_costs; REST GET https://proofprice.com/api/v1/diet-costs. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"diet-costs"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "energy",
"name": "Household electricity and gas prices",
"description": "Household and business energy prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_energy_prices; REST GET https://proofprice.com/api/v1/energy. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"energy"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "farm-gate-prices",
"name": "Farm-gate prices received by farmers (monthly)",
"description": "Farm-gate prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_farm_gate_prices; REST GET https://proofprice.com/api/v1/farm-gate-prices. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"farm-gate-prices"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "farm-prices",
"name": "Farm and wholesale food prices",
"description": "Farm and wholesale food prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_farm_prices; REST GET https://proofprice.com/api/v1/farm-prices. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"farm-prices"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "flights",
"name": "Airfares paid",
"description": "Airfares paid: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_airfare_prices; REST GET https://proofprice.com/api/v1/airfares. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"flights"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "fuel",
"name": "Live fuel prices at the pump",
"description": "Live fuel prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_fuel_prices_now; REST GET https://proofprice.com/api/v1/fuel. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"fuel"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "groceries",
"name": "Grocery and everyday prices",
"description": "Grocery prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_grocery_prices; REST GET https://proofprice.com/api/v1/groceries. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"groceries"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "health-insurance",
"name": "Health insurance premiums (approved tariffs)",
"description": "Health insurance premiums: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_health_insurance_premiums; REST GET https://proofprice.com/api/v1/health-insurance. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"health-insurance"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "home-sales",
"name": "Home sale prices actually paid",
"description": "Home sales: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_home_sales; REST GET https://proofprice.com/api/v1/home-sales. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"home-sales"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "home-upgrades",
"name": "Home upgrade costs (heat pumps, solar, insulation, windows)",
"description": "Home upgrade prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_home_upgrade_prices; REST GET https://proofprice.com/api/v1/home-upgrades. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"home-upgrades"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "hotels",
"name": "Hotel room prices",
"description": "Hotel room prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_hotel_prices; REST GET https://proofprice.com/api/v1/hotels. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"hotels"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "insurance",
"name": "Insurance premiums paid",
"description": "Insurance premiums: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_insurance_prices; REST GET https://proofprice.com/api/v1/insurance. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"insurance"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "land-prices",
"name": "Farmland prices and rents",
"description": "Farmland prices and rents: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_land_prices; REST GET https://proofprice.com/api/v1/land-prices. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"land-prices"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "medical",
"name": "Doctor and hospital prices paid",
"description": "Doctor and hospital prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_medical_prices; REST GET https://proofprice.com/api/v1/medical. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"medical"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "medicines",
"name": "Official pharmacy prices of medicines",
"description": "Medicine prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_medicine_prices; REST GET https://proofprice.com/api/v1/medicines. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"medicines"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "price-levels",
"name": "Price levels: how expensive a country is compared with others",
"description": "Price level: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_price_levels; REST GET https://proofprice.com/api/v1/price-levels. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"price-levels"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "producer-prices",
"name": "Farm-gate producer prices (annual)",
"description": "Farm-gate producer prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_producer_prices; REST GET https://proofprice.com/api/v1/producer-prices. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"producer-prices"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "rent",
"name": "Rents paid",
"description": "Rents paid: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_rent_prices; REST GET https://proofprice.com/api/v1/rent. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"rent"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "surplus-auctions",
"name": "Public auction prices (winning bids on surplus goods)",
"description": "Public auction prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_auction_prices; REST GET https://proofprice.com/api/v1/auctions. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"surplus-auctions"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "tuition",
"name": "University tuition fees",
"description": "University tuition fees: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_tuition_fees; REST GET https://proofprice.com/api/v1/tuition. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"tuition"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "wholesale-fresh-food",
"name": "Wholesale prices of live animals, fish, eggs and fresh food",
"description": "Wholesale fresh food prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_wholesale_fresh_food_prices; REST GET https://proofprice.com/api/v1/wholesale-fresh-food. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"wholesale-fresh-food"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "wholesale-markets",
"name": "Wholesale market prices for vegetables and fruit",
"description": "Wholesale market prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_wholesale_market_prices; REST GET https://proofprice.com/api/v1/wholesale-markets. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"wholesale-markets"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "wholesale-power",
"name": "Wholesale (day-ahead) electricity prices",
"description": "Wholesale electricity prices: official price data with its source, licence and basis stated in each answer (read the basis: some are real sales, some official statistics, some posted prices). MCP tool pricepaid_wholesale_power_prices; REST GET https://proofprice.com/api/v1/wholesale-power. Free, no key.",
"tags": [
"prices",
"real-prices-paid",
"wholesale-power"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "check",
"name": "Price check",
"description": "Is a quoted price typical? Compares it with recorded prices, with evidence, source and licence. MCP tool pricepaid_check_price; REST GET https://proofprice.com/api/v1/check. 20 free a day, then paid per call with x402 once payments are on: see https://proofprice.com/pricing.",
"tags": [
"prices",
"price-check"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
}
],
"x-proofprice": {
"a2aMessaging": false,
"urlNote": "url is the REST base, not an A2A endpoint",
"mcp": "https://proofprice.com/api/mcp",
"contact": "hello@proofprice.com",
"openapi": "https://proofprice.com/openapi.json",
"llms": "https://proofprice.com/llms.txt",
"pricing": "https://proofprice.com/pricing.json",
"mcpServerCard": "https://proofprice.com/.well-known/mcp-server-card"
}
}