{"domain":"proofprice.com","count":1,"changes":[{"captured_at":"2026-10-23T03:29:44.405559","card_hash":"aeeeee86ca3d5b4bd275faf4b9062c7e6131370dcc396ef97ef808fea5444bf8","previous_card_hash":null,"diff":{"skills_added":[{"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":"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"]},{"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"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"ProofPrice"},{"field":"description","before":null,"after":"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."},{"field":"version","before":null,"after":"0.4.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://proofprice.com/api/v1"},{"field":"documentationUrl","before":null,"after":"https://proofprice.com/connect"},{"field":"iconUrl","before":null,"after":"https://proofprice.com/icon.svg"},{"field":"preferredTransport","before":null,"after":"HTTP+JSON"},{"field":"securitySchemes","before":null,"after":{}},{"field":"security","before":null,"after":[]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false}},{"field":"provider","before":null,"after":{"organization":"ProofPrice","url":"https://proofprice.com"}}],"other_changed":true,"is_empty":false,"human_summary":"added 30 skills · name ∅ → ProofPrice · description ∅ → Prices people actually paid, from offici · version ∅ → 0.4.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://proofprice.com/api/v1 · documentationUrl ∅ → https://proofprice.com/connect · iconUrl ∅ → https://proofprice.com/icon.svg · preferredTransport ∅ → HTTP+JSON · securitySchemes ∅ →  · security ∅ → [] · capabilities ∅ → none · provider ∅ → ProofPrice"}}]}