← The evidence ledger
Evidence row 736981
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 7771f8ba-6b4b-47ea-b0a0-631fa30b541b
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a4009f3f53bd8745d7c28fadfe272c4f102b7cd879ee90723ec131425930cafe
- Leaf
- 0x21f53e0f4c2d1859efbf6dbe63f822f8e70e3d239860149f4807e3112d100f29
What was observed
{
"count": 21,
"tools": [
{
"description": "How many sales a month cover fixed costs, from fixed monthly costs, price, cost per unit and payment fee percent.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"fixed_costs": {
"description": "Fixed costs per month.",
"minimum": 0,
"type": "number"
},
"payment_fee_percent": {
"description": "Payment fee in percent of the price. Default 0.",
"maximum": 100,
"minimum": 0,
"type": "number"
},
"price": {
"description": "Selling price per unit.",
"minimum": 0,
"type": "number"
},
"unit_cost": {
"description": "Cost per unit.",
"minimum": 0,
"type": "number"
}
},
"required": [
"fixed_costs",
"price",
"unit_cost"
],
"type": "object"
},
"name": "break_even_calculator"
},
{
"description": "Work out the fee on a card payment (percentage plus fixed fee), what you keep, and what to charge to receive the full amount after fees.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"amount": {
"description": "Payment amount.",
"minimum": 0,
"type": "number"
},
"fixed_fee": {
"description": "Fixed fee per payment, e.g. 0.30. Default 0.30.",
"minimum": 0,
"type": "number"
},
"payments_per_month": {
"description": "Optional: payments a month, to total the fees. Default 0.",
"minimum": 0,
"type": "number"
},
"percent_fee": {
"description": "Percentage fee, e.g. 2.9 for 2.9%. Default 2.9.",
"maximum": 99,
"minimum": 0,
"type": "number"
}
},
"required": [
"amount"
],
"type": "object"
},
"name": "card_fee_calculator"
},
{
"description": "Check an Argentine CBU or CVU: 22 digits and both check digits, split into bank, branch and account.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"cbu": {
"description": "The CBU or CVU, 22 digits.",
"type": "string"
}
},
"required": [
"cbu"
],
"type": "object"
},
"name": "cbu_checker"
},
{
"description": "Savings growth with monthly compounding and an optional monthly deposit: final balance, total paid in and interest earned.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"annual_rate_percent": {
"description": "Yearly interest rate in percent.",
"maximum": 100,
"minimum": 0,
"type": "number"
},
"monthly_deposit": {
"description": "Added each month. Default 0.",
"minimum": 0,
"type": "number"
},
"starting_amount": {
"description": "Money at the start.",
"minimum": 0,
"type": "number"
},
"years": {
"description": "Number of years (up to 60).",
"maximum": 60,
"minimum": 0,
"type": "integer"
}
},
"required": [
"starting_amount",
"annual_rate_percent",
"years"
],
"type": "object"
},
"name": "compound_interest_calculator"
},
{
"description": "Check a 9-character CUSIP (US/Canadian security identifier) check digit and split it into issuer and issue.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"cusip": {
"description": "The CUSIP, 9 characters.",
"type": "string"
}
},
"required": [
"cusip"
],
"type": "object"
},
"name": "cusip_checker"
},
{
"description": "Sale price after a percentage discount and, given unit cost and units normally sold, how many extra sales the discount needs to keep the same profit.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"discount_percent": {
"description": "Discount in percent.",
"maximum": 100,
"minimum": 0,
"type": "number"
},
"price": {
"description": "Normal price.",
"minimum": 0,
"type": "number"
},
"unit_cost": {
"description": "Optional: what one unit costs you.",
"minimum": 0,
"type": "number"
},
"units": {
"description": "Optional: units sold at the normal price.",
"minimum": 0,
"type": "number"
}
},
"required": [
"price",
"discount_percent"
],
"type": "object"
},
"name": "discount_calculator"
},
{
"description": "Search SendPay Business's library of 170+ free calculators, checkers and generators for small businesses, freelancers, banking, FX, trading and crypto (invoice generator, VAT, card fees, loan, mortgage, IBAN, SWIFT, forex, bitcoin and more). Returns matching tools with links. Use it when the user needs a calculator or tool that is not offered directly here.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"query": {
"description": "What the user wants to work out or make, e.g. 'invoice', 'forex pip value', 'chargeback'.",
"type": "string"
}
},
"required": [
"query"
],
"type": "object"
},
"name": "find_free_tool"
},
{
"description": "Use when the user wants a website for their business, shop or side hustle. SendPay Business offers a free business website builder: free to build, publish and keep, no card needed, with an optional shop cart and card payments later. Returns the link to start.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"business_type": {
"description": "Optional: what the business does, e.g. 'bakery'.",
"type": "string"
}
},
"type": "object"
},
"name": "free_business_website"
},
{
"description": "What a freelancer or sole trader should charge per hour and per day to reach a target yearly income after business costs and time off.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"billable_hours_per_week": {
"description": "Hours billed to clients per week. Default 25.",
"maximum": 168,
"minimum": 0,
"type": "number"
},
"hours_per_day": {
"description": "Hours in a working day, for the day rate. Default 7.",
"maximum": 24,
"minimum": 0,
"type": "number"
},
"target_income": {
"description": "Yearly income wanted.",
"minimum": 0,
"type": "number"
},
"weeks_off": {
"description": "Weeks off a year (holidays, sickness). Default 6.",
"maximum": 52,
"minimum": 0,
"type": "number"
},
"yearly_costs": {
"description": "Yearly business costs. Default 0.",
"minimum": 0,
"type": "number"
}
},
"required": [
"target_income"
],
"type": "object"
},
"name": "hourly_rate_calculator"
},
{
"description": "Check that an IBAN is well formed: country length and mod-97 check digits. Does not confirm that the account exists or who owns it.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"iban": {
"description": "The IBAN, spaces allowed.",
"type": "string"
}
},
"required": [
"iban"
],
"type": "object"
},
"name": "iban_checker"
},
{
"description": "Check that an ISIN (ISO 6166 security identifier) is well formed: country code, 9-character national code and Luhn check digit.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"isin": {
"description": "The ISIN, 12 characters.",
"type": "string"
}
},
"required": [
"isin"
],
"type": "object"
},
"name": "isin_checker"
},
{
"description": "Check that a Legal Entity Identifier (LEI, ISO 17442) is well formed: 20 characters and MOD 97-10 check digits. Does not confirm the LEI is registered; GLEIF's search does.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"lei": {
"description": "The LEI, 20 characters.",
"type": "string"
}
},
"required": [
"lei"
],
"type": "object"
},
"name": "lei_checker"
},
{
"description": "Monthly repayment, total repaid and total interest on a fixed-rate loan, from the amount, APR and term in months.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"amount": {
"description": "Amount borrowed.",
"minimum": 0,
"type": "number"
},
"apr_percent": {
"description": "APR in percent.",
"maximum": 1000,
"minimum": 0,
"type": "number"
},
"months": {
"description": "Term in months.",
"maximum": 600,
"minimum": 1,
"type": "integer"
}
},
"required": [
"amount",
"apr_percent",
"months"
],
"type": "object"
},
"name": "loan_repayment_calculator"
},
{
"description": "Monthly repayment mortgage payment, loan-to-value, total interest and interest-only payment from property price, deposit, rate and term.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"annual_rate_percent": {
"description": "Mortgage interest rate in percent.",
"maximum": 100,
"minimum": 0,
"type": "number"
},
"deposit": {
"description": "Deposit.",
"minimum": 0,
"type": "number"
},
"price": {
"description": "Property price.",
"minimum": 0,
"type": "number"
},
"years": {
"description": "Term in years.",
"maximum": 50,
"minimum": 1,
"type": "number"
}
},
"required": [
"price",
"deposit",
"annual_rate_percent",
"years"
],
"type": "object"
},
"name": "mortgage_calculator"
},
{
"description": "Three sums: X% of Y ('percent_of'), what percent X is of Y ('what_percent'), and percentage change from X to Y ('change').",
"inputSchema": {
"additionalProperties": false,
"properties": {
"mode": {
"description": "Which sum.",
"enum": [
"percent_of",
"what_percent",
"change"
],
"type": "string"
},
"x": {
"description": "percent_of: the percent. what_percent: the part. change: the old value.",
"type": "number"
},
"y": {
"description": "percent_of: the number. what_percent: the whole. change: the new value.",
"type": "number"
}
},
"required": [
"mode",
"x",
"y"
],
"type": "object"
},
"name": "percentage_calculator"
},
{
"description": "Profit, margin and markup from cost and selling price; or the selling price needed for a target margin.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"cost": {
"description": "Cost of the item.",
"minimum": 0,
"type": "number"
},
"price": {
"description": "Selling price. Give this or target_margin_percent.",
"minimum": 0,
"type": "number"
},
"target_margin_percent": {
"description": "Wanted margin in percent, to work out the price.",
"maximum": 99.99,
"minimum": 0,
"type": "number"
}
},
"required": [
"cost"
],
"type": "object"
},
"name": "profit_margin_calculator"
},
{
"description": "Return on investment: profit and ROI % from the amount put in and the amount got back, and the yearly rate if the time in months is given.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"cost": {
"description": "Amount invested.",
"minimum": 0,
"type": "number"
},
"months": {
"description": "Optional: how many months it took.",
"minimum": 0,
"type": "number"
},
"returned": {
"description": "Amount got back in total.",
"type": "number"
}
},
"required": [
"cost",
"returned"
],
"type": "object"
},
"name": "roi_calculator"
},
{
"description": "Check a 7-character SEDOL (UK/Irish security identifier) format and check digit.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"sedol": {
"description": "The SEDOL, 7 characters.",
"type": "string"
}
},
"required": [
"sedol"
],
"type": "object"
},
"name": "sedol_checker"
},
{
"description": "Check that a SWIFT (BIC) code is well formed and split it into bank, country, location and branch. Has no bank directory.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"code": {
"description": "SWIFT/BIC code, 8 or 11 characters.",
"type": "string"
}
},
"required": [
"code"
],
"type": "object"
},
"name": "swift_code_checker"
},
{
"description": "Check a UK VAT number's format and check digits (9 digits, 12 with a branch, or GD/HA). Does not confirm registration; HMRC's service does.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"vat_number": {
"description": "The VAT number, with or without GB.",
"type": "string"
}
},
"required": [
"vat_number"
],
"type": "object"
},
"name": "uk_vat_number_checker"
},
{
"description": "Add VAT to a net price, or remove VAT from a gross (VAT-inclusive) price, at any rate. UK standard rate is 20%, reduced 5%.",
"inputSchema": {
"additionalProperties": false,
"properties": {
"amount": {
"description": "The price.",
"minimum": 0,
"type": "number"
},
"mode": {
"description": "'add' if the amount excludes VAT, 'remove' if it already includes VAT. Default 'add'.",
"enum": [
"add",
"remove"
],
"type": "string"
},
"rate": {
"description": "VAT rate in percent. Default 20.",
"maximum": 100,
"minimum": 0,
"type": "number"
}
},
"required": [
"amount"
],
"type": "object"
},
"name": "vat_calculator"
}
]
}What the leaf hashes
{"body":"a4009f3f53bd8745d7c28fadfe272c4f102b7cd879ee90723ec131425930cafe","id":736981,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793158485769464,"prev":null,"subject":"7771f8ba-6b4b-47ea-b0a0-631fa30b541b","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x21f54f2f4bd6764def5f700e63de8a01c600f6cb4ea7740e8f602f4a8f8fd533
- 0xa360924a7ff4e5954c34c3871f36d383676e4435bfce75c274a1c873bc277d30
- 0x8ab3e683c1f60cbc5188955196d046abe7741c29602e9fc2d620b51d313a0afc
- 0x0c70dbe5a65cd20f4b4adf8107d3fcde7ac4256b36ba0d1b58a9caef3d11f88c
- 0x468da4f59aeddc921bdf251e1d463a2c8c95715547031a3c3f2c6bd919038cee
- 0xe46a1cc484f226766f4a967fb2a45310db5a4471192ca45dd1460276eac2bc16
- 0x84dad090637397cfb2412759c1da74ca1f0d966e5ed37f77f1cd59030340f0a3
- 0x306e647b84b598cac2234b8e65146f11e5095fac9de5b39e8401d2ee5d768f33
- 0x607f82b74caf754a0888a91481f157f78967f20d445f3a9c3f5ccfe61b973642
- 0x91280b72476394457475e4e19eb98fdbbb4879aebeb74114acce5c4e38bcfc7b
- 0xf66811b51cad5ddcf3ec211ff519a9e540ba3bd77ead1283f18695b95d7109ca
- 0x1afe025bf0d97efced13e77f68b5e16c7bfb56ea13cca50c8aed2d156e60d500
- 0x3ce83ad86ff4f1711072c47e954f682b6a67bc60b2342af27fa493f972b6b9c0
- 0xa45c19ee1ddfa3971a75affe2da0c01e0a09406bb4b50c48e0d9cf0e082801a3
- 0x4698ebc7cbcb2286f661b867355eb6a9183e884482ee16965889e886b17d19ac
- 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae