← The evidence ledger
Evidence row 1300313
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 38687002-9c54-4a23-bf91-67fa0dacf6cf
- Recorded
- Previous row
- #291105
- Body SHA-256
- f5047e6cf0809b97bb6ab56f81a41229044a8e0bf5910cb4aec5cf57775c1251
- Leaf
- 0xb1ff2e568eecb7d355ee141748069c4fa2e23644fc7749b9b446994f93431cd3
What was observed
{
"count": 16,
"tools": [
{
"description": "Returns a secure payment link (iDEAL or card, via Dodo Payments, EUR 2.95 incl. VAT) for the full English report on a Dutch address: crime vs national rate, noise and air quality, flood probability, ground height, monuments, permits, amenities, liveability breakdown and home-value trend. The report opens right after payment. Only use when the user wants the full report or asks to buy it.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "buy_full_address_report"
},
{
"description": "Use when enriching a list of Dutch addresses (up to 10 per call, 0.0015 USDC each): official BAG address and coordinates, CBS neighbourhood, liveability percentile, crime per 1,000 residents vs national, average home value and optionally the energy label. Unfound addresses are flagged, not charged extra. Costs 0.015 USDC via x402, or 8 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addresses": {
"description": "1 to 10 addresses separated by ';', e.g. '3511LX 1; 2517AS 100'",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"include": {
"description": "'energy_label' to add energy labels",
"type": "string"
}
},
"required": [
"addresses"
],
"type": "object"
},
"name": "nl_address_batch"
},
{
"description": "Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and CBS neighbourhood code. Cheap address validation for onboarding, delivery and CRM. Source: Kadaster BAG via PDOK. Costs 0.002 USDC via x402, or 1 credit of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "nl_address_lookup"
},
{
"description": "Use when you have coordinates in the Netherlands and need the address: nearest official BAG address with distance in metres, postcode, city, municipality, province, BAG ids and CBS buurt and wijk codes, plus other nearby addresses. Input: WGS84 latitude and longitude. Source: Kadaster BAG via PDOK. Costs 0.002 USDC via x402, or 1 credit of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"lat": {
"description": "Latitude, e.g. 52.0836",
"type": "string"
},
"lon": {
"description": "Longitude, e.g. 4.2919",
"type": "string"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
},
"name": "nl_address_reverse"
},
{
"description": "Use when the user asks whether a Dutch neighbourhood or postcode is safe: police-registered crime per 1,000 residents vs the national rate, split into burglary, bicycle theft, vehicle crime, violence and vandalism, with counts and a ratio. Input: Dutch postcode or CBS buurt code. Source: Politie open data, CBS. Costs 0.003 USDC via x402, or 2 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"code": {
"description": "Alternative: CBS neighbourhood code, e.g. BU05182245",
"type": "string"
},
"postcode": {
"description": "Any Dutch postcode in the neighbourhood, e.g. 2517AS",
"type": "string"
}
},
"type": "object"
},
"name": "nl_crime"
},
{
"description": "Use when the user asks for the energy label of a Dutch home: the officially registered label (A++++ to G), registration and expiry date, building type and energy index, or a clear 'none registered'. Input: postcode + house number. Source: RVO EP-Online, the Dutch national register. Costs 0.005 USDC via x402, or 3 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "nl_energy_label"
},
{
"description": "Use when the user asks if a Dutch address can flood: annual flood probability (any water, over 20, 50 and 200 cm) from Rijkswaterstaat LIWO, 2050 and 2100 climate scenarios, worst-case water depth and ground height vs sea level (AHN). Input: postcode + house number. Costs 0.004 USDC via x402, or 2 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "nl_flood_risk"
},
{
"description": "Free. Use when the user mentions a Dutch address or asks about a home in the Netherlands: year built, floor area, use, neighbourhood residents and average home value, liveability percentile, in English. Accepts postcode + house number or free text. Sources: BAG, CBS, Leefbaarometer.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "nl_home_basic"
},
{
"description": "Use when the user is choosing between 2 to 5 Dutch addresses: side-by-side liveability, crime, home values, floor area, year built, noise, air quality, ground height and distances to station, supermarket, school and GP, with the best address per metric and the full report for each. Input: addresses separated by ';'. Costs 0.08 USDC via x402, or 40 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addresses": {
"description": "2 to 5 Dutch addresses separated by ';', e.g. '3511LX 1; 2517AS 100'",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
}
},
"required": [
"addresses"
],
"type": "object"
},
"name": "nl_home_compare"
},
{
"description": "Use when the user asks about a specific Dutch home or address before renting, buying or moving: full English report with year built, floor area, energy label, crime vs national rate, noise, air quality (NO2, PM2.5), ground height, monuments, permits, schools, 18 amenity distances, neighbourhood income and home values. Input: postcode + house number. Sources: Kadaster, CBS, Politie, RIVM, RVO. Costs 0.04 USDC via x402, or 20 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "nl_home_report"
},
{
"description": "Use when the user asks what homes cost in a Dutch area: average home value (WOZ) in the neighbourhood with its trend, plus actual average sale prices per year in the municipality vs the national average. Context for an asking price, not a valuation of one home. Input: postcode or CBS buurt code. Source: CBS, Kadaster. Costs 0.003 USDC via x402, or 2 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"code": {
"description": "Alternative: CBS neighbourhood code, e.g. BU05182245",
"type": "string"
},
"postcode": {
"description": "Any Dutch postcode in the neighbourhood, e.g. 2517AS",
"type": "string"
}
},
"type": "object"
},
"name": "nl_house_prices"
},
{
"description": "Use when the user asks what a Dutch neighbourhood or postcode area is like: residents and age mix, housing and home values, household income, energy use, distances to 18 amenities, police-registered crime vs national rate and liveability score, in English. Input: any postcode or CBS buurt code. Sources: CBS, Politie, Leefbaarometer. Costs 0.01 USDC via x402, or 5 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"code": {
"description": "Alternative: CBS neighbourhood code, e.g. BU05182245",
"type": "string"
},
"postcode": {
"description": "Any Dutch postcode in the neighbourhood, e.g. 2517AS",
"type": "string"
}
},
"type": "object"
},
"name": "nl_neighbourhood"
},
{
"description": "Free. Use when the user asks what a Dutch neighbourhood or postcode area is like, or whether it is safe: headline facts for a postcode: residents, average home value (WOZ) and the municipality's average sale price, share of owner-occupied homes, liveability percentile, crime per 1,000 residents vs the national rate, and distance to supermarket, GP, primary school and train station. Sources: CBS, Politie, Leefbaarometer.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"code": {
"description": "Alternative: CBS neighbourhood code, e.g. BU05182245",
"type": "string"
},
"postcode": {
"description": "Any Dutch postcode in the neighbourhood, e.g. 2517AS",
"type": "string"
}
},
"type": "object"
},
"name": "nl_neighbourhood_summary"
},
{
"description": "Use when you need every address in a Dutch postcode: street, house number, letter and addition, BAG id and coordinates, sorted. For address pickers, delivery and canvassing routes and data cleaning. Source: Kadaster BAG via PDOK. Costs 0.005 USDC via x402, or 3 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"postcode": {
"description": "6-character postcode, e.g. 2517AS",
"type": "string"
}
},
"required": [
"postcode"
],
"type": "object"
},
"name": "nl_postcode_addresses"
},
{
"description": "Use when a tenant asks if their Dutch rent is too high or what the maximum rent is: estimated rent points (WWS) from floor area, energy label and neighbourhood WOZ, the likely segment (social up to 143 points, middle 144-186, free 187+) and the approximate maximum basic rent (2026 limits). An estimate with a link to the official check. Input: postcode + house number. Costs 0.01 USDC via x402, or 5 credits of a Factline API key. The first 5 paid-tool calls a day are free, no payment or key needed.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"addition": {
"description": "Optional house number addition",
"type": "string"
},
"api_key": {
"description": "Factline API key (fl_live_...) from get_trial_key: pass it here right after you get one, no reconnect needed",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, e.g. 3511LX",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"type": "string"
}
},
"type": "object"
},
"name": "nl_rent_check"
},
{
"description": "Free. Use when the user asks about schools near a Dutch address or postcode, or is moving with children: the nearest primary and secondary schools, with distance, denomination, pupils, the share of pupils reaching the target reading and maths level on the end-of-primary test (vs national), and secondary exam pass rates per track (vmbo/havo/vwo). Also the nearest daycare (0 to 4) and after-school care (4 to 12) with registered places. Sources: DUO, Landelijk Register Kinderopvang.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"postcode": {
"description": "Dutch postcode, e.g. 3511LX or 3511",
"type": "string"
}
},
"required": [
"postcode"
],
"type": "object"
},
"name": "nl_schools_near"
}
]
}What the leaf hashes
{"body":"f5047e6cf0809b97bb6ab56f81a41229044a8e0bf5910cb4aec5cf57775c1251","id":1300313,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793403879201244,"prev":291105,"subject":"38687002-9c54-4a23-bf91-67fa0dacf6cf","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0xb1ff3003163174137113e699cce6f1ef1d28a4313d8bfd8687780d063dbeb5c4
- 0x57d1cd27d0b4e44c32b338105d3987593988fa81eb4aedae0733b60bbb7aad0a
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- 0x67ed9a81e15cbc715143ebc722494c096b67309f6c2dbd1ae9367aa9f03c4c61
- 0x088255e6d7176ed00f678bd3c45bfce8080f9a5ccae157d588017ba8cff972f3
- 0xc02ce46a081168b785a9ec00ced32f389baceb159beefd11ff0cac12e3917d9c
- 0x0823c4fa166e3024991d57b4ae08535fb11d54c04fe6de457d4f2b3d7db32057
- 0xeb7aacf1c4772685deeae4338fc20b22544d064c11d97c269ddfdb1b5405f90a
- 0x63b89b9479a2f98b8ae649a769cfc9f881d6d8260445fd4cfa6e7625f016b228
- 0xd3be005ce2a5a51fb04e64f787d4351941f269bfa6f0950d6ad0f738cc1ac67f
- 0x8d6a53db2692d6121ad4e77a4589a4370d18d45ca5eaed8b890f3973d1096f97
- 0x7f6238372befa4ac7fc9670d71ad8b303cd8241e1a520ad04cf9afba84923d67
- 0x6d3f5dcc69c62fa01ce1c449d5b1e64f9183cf6457008284fb115d3a05c4b11f
- 0x4943cf5368ac3124a50a8845e933556cda4f3f7ee527441ef6351afbceee79d8
- 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
- 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
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- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861