LuckPanda free business tools

Server Details

Create invoices, quotes, receipts and credit notes with GST or VAT, as prefilled links or PDFs.

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Status: Healthy
Last Tested: 2026-10-10 19:32
Transport: Streamable HTTP · MCP 2025-11-25
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Available Tools

9 tools

calculate_emiCalculate a loan EMI

Read-onlyIdempotent

Inspect

Monthly EMI on a reducing-balance loan, total interest, total payment and the year-by-year schedule. Read-only arithmetic.

ParametersJSON Schema

Name	Required	Description
`years`	No	Loan term in years (up to 50). Used when months is not given.
`months`	No	Loan term in months (1 to 600). Give months or years.
`currency`	No	ISO 4217 code; default INR.
`principal`	Yes	Loan amount.
`annual_rate`	Yes	Yearly interest in percent, e.g. 9.5.

Output Schema

ParametersJSON Schema

Name	Required	Description
`emi`	Yes
`locale`	No
`months`	Yes
`currency`	Yes
`formatted`	Yes	The amounts formatted for the currency's country.
`principal`	Yes
`total_payment`	Yes
`total_interest`	Yes
`schedule_by_year`	Yes
`annual_rate_percent`	Yes

calculate_gstCalculate India GST

Read-onlyIdempotent

Inspect

GST on an amount in rupees: add GST to an amount before tax, or take it out of an amount that includes it; CGST + SGST for a supply within one state, IGST across states. Read-only arithmetic.

ParametersJSON Schema

Name	Required	Description
`mode`	No	add: the amount is before GST (default). remove: the amount includes GST.
`rate`	No	GST rate in percent; default 18.
`amount`	Yes	Amount in rupees, e.g. 10000.
`supply`	No	intra: within one state, CGST + SGST (default). inter: another state or an export, IGST.

Output Schema

ParametersJSON Schema

Name	Required	Description
`gst`	Yes
`mode`	Yes
`note`	No
`locale`	No
`supply`	Yes
`currency`	Yes
`formatted`	Yes	The amounts formatted for the currency's country.
`components`	Yes
`rate_percent`	Yes
`amount_before_gst`	Yes
`amount_including_gst`	Yes

calculate_vatCalculate VAT

Read-onlyIdempotent

Inspect

VAT on an amount: add it to a net amount or take it out of a gross one. UK by default; EU countries and the UAE by country (standard rate if no rate is given). Read-only arithmetic.

ParametersJSON Schema

Name	Required	Description
`mode`	No	add: the amount is net (default). remove: the amount includes VAT.
`rate`	No	VAT rate in percent; default the country's standard rate.
`amount`	Yes	Amount in the country's currency, e.g. 1000.
`country`	No	GB (default), DE, FR, NL, IE, ES, IT, BE, AT, PT, FI or AE.

Output Schema

ParametersJSON Schema

Name	Required	Description
`net`	Yes
`vat`	Yes
`mode`	Yes
`gross`	Yes
`locale`	No
`country`	Yes
`currency`	Yes
`formatted`	Yes	The amounts formatted for the currency's country.
`rate_percent`	Yes
`standard_rate_percent`	No

check_gstinCheck a GSTIN's format

Read-onlyIdempotent

Inspect

Checks that an Indian GSTIN is well formed (15 characters, state code, PAN, check character) and decodes the state and PAN. It makes no lookup and does not confirm that the registration exists or is active. Read-only.

ParametersJSON Schema

Name	Required	Description	Default
`gstin`	Yes	The 15-character GSTIN, e.g. 27AAPFU0939F1ZV.

Output Schema

ParametersJSON Schema

Name	Required	Description
`pan`	No
`note`	No
`gstin`	Yes
`problem`	No
`state_code`	No
`state_name`	No
`valid_format`	Yes
`pan_holder_type`	No

create_document_linkCreate a prefilled document linkInspect

Validates a document (invoice, quote, proforma invoice, receipt or credit note) and returns editor_url, a short link that opens it prefilled in the LuckPanda editor, where the person can review, edit and download the PDF. Also returns the totals with tax worked out, the required fields still missing and any parts left out as invalid. Side effect: the document is stored on LuckPanda's servers for 7 days under a random link id (not listed or indexed), and every call creates a new link. Nothing is issued, numbered or sent. Use details the person gave; do not invent them.

ParametersJSON Schema

Name	Required	Description	Default
`doc`	Yes	A document to prefill. Parts that fail validation are left out and listed in `ignored`; nothing is ever rendered as HTML.
`page`	No	The page to open: a slug ("credit-note", "gst-invoice-format") or its URL. Default: the generator for the document type and country.

Output Schema

ParametersJSON Schema

Name	Required	Description
`totals`	Yes	Totals with tax worked out.
`country`	Yes
`ignored`	Yes	Parts of the input that were left out because they were invalid, as dotted paths.
`missing`	Yes	Required fields still empty, as dotted paths (e.g. buyer.name, lines.0.description).
`currency`	Yes
`docs_url`	No	Public page describing this server and its tools.
`page_url`	Yes	The editor page the link opens, without the document.
`editor_url`	Yes	Short link that opens the document prefilled in the LuckPanda editor. Valid until expires_at (7 days).
`expires_at`	Yes	ISO 8601 time the link stops opening.
`prefill_url`	No	A self-contained link with the document in the URL; present only when it is short enough.
`document_type`	Yes

create_document_pdfCreate a document PDFInspect

Generates a PDF of a document (invoice, quote, proforma invoice, receipt or credit note) and returns it base64-encoded in structuredContent.pdf_base64, with its verification URL and an editor_url that opens the same document in the editor. PDFs from this tool include a LuckPanda footer and a verification QR code. Side effects: stores a verification record for the PDF (issuer name, document type, date, currency and total; no client details) and a 7-day copy of the document behind editor_url. Limit: about 40 PDFs an hour per network.

ParametersJSON Schema

Name	Required	Description	Default
`doc`	Yes	A document to prefill. Parts that fail validation are left out and listed in `ignored`; nothing is ever rendered as HTML.
`page`	No	The page to open: a slug ("credit-note", "gst-invoice-format") or its URL. Default: the generator for the document type and country.

Output Schema

ParametersJSON Schema

Name	Required	Description
`pages`	Yes
`totals`	Yes	Totals with tax worked out.
`ignored`	Yes	Parts of the input that were left out because they were invalid, as dotted paths.
`missing`	Yes	Required fields still empty, as dotted paths (e.g. buyer.name, lines.0.description).
`variant`	No	"branded": the PDF carries the LuckPanda footer and verification QR code.
`docs_url`	No	Public page describing this server and its tools.
`file_name`	Yes
`editor_url`	No	Short link that opens the same document in the LuckPanda editor (7 days). Omitted when the link limit is reached.
`pdf_base64`	Yes	The PDF file, base64-encoded.
`size_bytes`	Yes
`verify_url`	Yes	Page that confirms the PDF was made by LuckPanda and shows what was printed on it.
`fingerprint`	No
`verify_code`	Yes
`content_type`	Yes

find_hsn_codeFind an HSN or SAC code (India GST)

Read-onlyIdempotent

Inspect

Searches HSN codes (goods) and SAC codes (services) by product or service words or by code digits, with the official description, the chapter and heading it sits under, and the GST rate where it has been checked against the rate notification (otherwise rate_percent is null: check the notification). Returns the dataset scope with every answer. India only.

ParametersJSON Schema

Name	Required	Description
`type`	No	Goods (hsn), services (sac) or both (default).
`limit`	No	At most 25; default 10.
`query`	Yes	Words (e.g. "laptop", "legal services") or 2 to 8 digits of a code.

Output Schema

ParametersJSON Schema

Name	Required	Description
`type`	No
`as_of`	No
`query`	Yes
`scope`	Yes	What the dataset covers and does not.
`total`	Yes	Matches found; results holds the best ones up to the limit.
`results`	Yes

get_document_rulesGet fields and tax rules for a document

Read-onlyIdempotent

Inspect

Returns what to collect before creating a document of a given type and country: required, recommended and optional fields, the tax ID and tax names, the country's invoicing rules (for example India GST rule 46, UK VAT invoice contents), the CGST/SGST versus IGST split and state codes for India, and credit-note reasons. Read-only.

ParametersJSON Schema

Name	Required	Description	Default
`country`	Yes	ISO alpha-2 of the seller, e.g. IN, US, GB, DE.
`document_type`	Yes	The kind of document.

Output Schema

ParametersJSON Schema

Name	Required	Description
`gst`	No	India only: the CGST/SGST versus IGST split, place of supply and state codes.
`tax`	Yes
`rules`	Yes
`fields`	Yes
`locale`	No
`country`	Yes
`formats`	No
`reasons`	No	Credit notes only.
`currency`	Yes
`disclaimer`	Yes
`country_name`	No
`document_type`	Yes
`what_to_include`	No

list_toolsList document pages and calculators

Read-onlyIdempotent

Inspect

Lists the document pages on luckpanda.app (generators for invoices, quotes, proforma invoices, receipts and credit notes, plus country and trade templates) and its calculator pages, each with its URL. Optional filters: document_type, country, query. Read-only.

ParametersJSON Schema

Name	Required	Description
`query`	No	Words to look for in a page's name or summary, e.g. "freelance" or "GST".
`country`	No	ISO alpha-2: pages for this country plus the ones for any country.
`document_type`	No	The kind of document.

Output Schema

ParametersJSON Schema

Name	Required	Description
`docs_url`	No	Public page describing this server and its tools.
`documents`	Yes
`calculators`	Yes

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

9 tool updatesOct 10, 2026

Changedcalculate_emi6 fields changed

changedInput schema / properties / annual_rate / description

Previous value: -"Yearly interest in percent."New value: +"Yearly interest in percent, e.g. 9.5."

changedInput schema / properties / currency / description

Previous value: -"Default INR."New value: +"ISO 4217 code; default INR."

addedInput schema / properties / months / description

Added value: +"Loan term in months (1 to 600). Give months or years."

addedInput schema / properties / principal / description
```
Added value: +"Loan amount."
```

addedInput schema / properties / years / description

Added value: +"Loan term in years (up to 50). Used when months is not given."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "annual_rate_percent": {
+      "type": "number"
+    },
+    "currency": {
+      "type": "string"
+    },
+    "emi": {
+      "type": "number"
+    },
+    "formatted": {
+      "description": "The amounts formatted for the currency's country.",
+      "properties": {
+        "emi": {
+          "type": "string"
+        },
+        "total_interest": {
+          "type": "string"
+        },
+        "total_payment": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "emi",
+        "total_interest",
+        "total_payment"
+      ],
+      "type": "object"
+    },
+    "locale": {
+      "type": "string"
+    },
+    "months": {
+      "type": "integer"
+    },
+    "principal": {
+      "type": "number"
+    },
+    "schedule_by_year": {
+      "items": {
+        "properties": {
+          "balance": {
+            "type": "number"
+          },
+          "interest": {
+            "type": "number"
+          },
+          "principal": {
+            "type": "number"
+          },
+          "year": {
+            "type": "integer"
+          }
+        },
+        "required": [
+          "year",
+          "principal",
+          "interest",
+          "balance"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "total_interest": {
+      "type": "number"
+    },
+    "total_payment": {
+      "type": "number"
+    }
+  },
+  "required": [
+    "currency",
+    "principal",
+    "annual_rate_percent",
+    "months",
+    "emi",
+    "total_interest",
+    "total_payment",
+    "formatted",
+    "schedule_by_year"
+  ],
+  "type": "object"
+}

Changedcalculate_gst4 fields changed

addedInput schema / properties / amount / description
```
Added value: +"Amount in rupees, e.g. 10000."
```

addedInput schema / properties / mode / description

Added value: +"add: the amount is before GST (default). remove: the amount includes GST."

addedInput schema / properties / supply / description

Added value: +"intra: within one state, CGST + SGST (default). inter: another state or an export, IGST."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "amount_before_gst": {
+      "type": "number"
+    },
+    "amount_including_gst": {
+      "type": "number"
+    },
+    "components": {
+      "items": {
+        "properties": {
+          "amount": {
+            "type": "number"
+          },
+          "name": {
+            "type": "string"
+          },
+          "note": {
+            "type": "string"
+          },
+          "rate_percent": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "name",
+          "rate_percent",
+          "amount"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "currency": {
+      "type": "string"
+    },
+    "formatted": {
+      "description": "The amounts formatted for the currency's country.",
+      "properties": {
+        "amount_before_gst": {
+          "type": "string"
+        },
+        "amount_including_gst": {
+          "type": "string"
+        },
+        "gst": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "amount_before_gst",
+        "gst",
+        "amount_including_gst"
+      ],
+      "type": "object"
+    },
+    "gst": {
+      "type": "number"
+    },
+    "locale": {
+      "type": "string"
+    },
+    "mode": {
+      "type": "string"
+    },
+    "note": {
+      "type": "string"
+    },
+    "rate_percent": {
+      "type": "number"
+    },
+    "supply": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "currency",
+    "mode",
+    "supply",
+    "rate_percent",
+    "amount_before_gst",
+    "gst",
+    "amount_including_gst",
+    "components",
+    "formatted"
+  ],
+  "type": "object"
+}

Changedcalculate_vat4 fields changed

addedInput schema / properties / amount / description

Added value: +"Amount in the country's currency, e.g. 1000."

addedInput schema / properties / mode / description

Added value: +"add: the amount is net (default). remove: the amount includes VAT."

changedInput schema / properties / rate / description

Previous value: -"VAT rate in percent."New value: +"VAT rate in percent; default the country's standard rate."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "country": {
+      "type": "string"
+    },
+    "currency": {
+      "type": "string"
+    },
+    "formatted": {
+      "description": "The amounts formatted for the currency's country.",
+      "properties": {
+        "gross": {
+          "type": "string"
+        },
+        "net": {
+          "type": "string"
+        },
+        "vat": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "net",
+        "vat",
+        "gross"
+      ],
+      "type": "object"
+    },
+    "gross": {
+      "type": "number"
+    },
+    "locale": {
+      "type": "string"
+    },
+    "mode": {
+      "type": "string"
+    },
+    "net": {
+      "type": "number"
+    },
+    "rate_percent": {
+      "type": "number"
+    },
+    "standard_rate_percent": {
+      "type": "number"
+    },
+    "vat": {
+      "type": "number"
+    }
+  },
+  "required": [
+    "country",
+    "currency",
+    "mode",
+    "rate_percent",
+    "net",
+    "vat",
+    "gross",
+    "formatted"
+  ],
+  "type": "object"
+}

Changedcheck_gstin2 fields changed

addedInput schema / properties / gstin / description

Added value: +"The 15-character GSTIN, e.g. 27AAPFU0939F1ZV."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "gstin": {
+      "type": "string"
+    },
+    "note": {
+      "type": "string"
+    },
+    "pan": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "pan_holder_type": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "problem": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "state_code": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "state_name": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "valid_format": {
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "gstin",
+    "valid_format"
+  ],
+  "type": "object"
+}

Changedcreate_document_link6 fields changed

addedInput schema / properties / doc / properties / currency / description

Added value: +"ISO 4217 code. If missing: the seller country's currency."

addedInput schema / properties / doc / properties / issue_date / description
```
Added value: +"YYYY-MM-DD. Default: today."
```
addedInput schema / properties / doc / properties / lines / description
```
Added value: +"The items or services, 1 to 100 lines."
```

addedInput schema / properties / doc / properties / notes / description

Added value: +"Shown on the document, for example a thank-you or a delivery note."

addedInput schema / properties / doc / properties / terms / description

Added value: +"Payment terms and bank details; for a quote, validity and delivery terms."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "country": {
+      "type": "string"
+    },
+    "currency": {
+      "type": "string"
+    },
+    "docs_url": {
+      "description": "Public page describing this server and its tools.",
+      "type": "string"
+    },
+    "document_type": {
+      "type": "string"
+    },
+    "editor_url": {
+      "description": "Short link that opens the document prefilled in the LuckPanda editor. Valid until expires_at (7 days).",
+      "type": "string"
+    },
+    "expires_at": {
+      "description": "ISO 8601 time the link stops opening.",
+      "type": "string"
+    },
+    "ignored": {
+      "description": "Parts of the input that were left out because they were invalid, as dotted paths.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "missing": {
+      "description": "Required fields still empty, as dotted paths (e.g. buyer.name, lines.0.description).",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "page_url": {
+      "description": "The editor page the link opens, without the document.",
+      "type": "string"
+    },
+    "prefill_url": {
+      "description": "A self-contained link with the document in the URL; present only when it is short enough.",
+      "type": "string"
+    },
+    "totals": {
+      "description": "Totals with tax worked out.",
+      "properties": {
+        "currency": {
+          "description": "ISO 4217 code.",
+          "type": "string"
+        },
+        "discount_minor": {
+          "type": "integer"
+        },
+        "formatted": {
+          "description": "The amounts formatted for the document's country.",
+          "properties": {
+            "subtotal": {
+              "type": "string"
+            },
+            "tax": {
+              "type": "string"
+            },
+            "total": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "subtotal",
+            "tax",
+            "total"
+          ],
+          "type": "object"
+        },
+        "subtotal_minor": {
+          "description": "Before tax and discount, in minor units (cents, paise).",
+          "type": "integer"
+        },
+        "supply": {
+          "description": "India: the kind of supply, when it is known.",
+          "type": "string"
+        },
+        "tax_lines": {
+          "items": {
+            "properties": {
+              "amount": {
+                "type": "string"
+              },
+              "name": {
+                "type": "string"
+              },
+              "rate_percent": {
+                "type": "number"
+              }
+            },
+            "required": [
+              "name",
+              "rate_percent",
+              "amount"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "tax_minor": {
+          "type": "integer"
+        },
+        "total_minor": {
+          "description": "Amount payable, in minor units.",
+          "type": "integer"
+        }
+      },
+      "required": [
+        "currency",
+        "total_minor",
+        "formatted",
+        "tax_lines"
+      ],
+      "type": "object"
+    }
+  },
+  "required": [
+    "editor_url",
+    "expires_at",
+    "page_url",
+    "document_type",
+    "country",
+    "currency",
+    "totals",
+    "missing",
+    "ignored"
+  ],
+  "type": "object"
+}

Changedcreate_document_pdf6 fields changed

addedInput schema / properties / doc / properties / currency / description

Added value: +"ISO 4217 code. If missing: the seller country's currency."

addedInput schema / properties / doc / properties / issue_date / description
```
Added value: +"YYYY-MM-DD. Default: today."
```
addedInput schema / properties / doc / properties / lines / description
```
Added value: +"The items or services, 1 to 100 lines."
```

addedInput schema / properties / doc / properties / notes / description

Added value: +"Shown on the document, for example a thank-you or a delivery note."

addedInput schema / properties / doc / properties / terms / description

Added value: +"Payment terms and bank details; for a quote, validity and delivery terms."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "content_type": {
+      "type": "string"
+    },
+    "docs_url": {
+      "description": "Public page describing this server and its tools.",
+      "type": "string"
+    },
+    "editor_url": {
+      "description": "Short link that opens the same document in the LuckPanda editor (7 days). Omitted when the link limit is reached.",
+      "type": "string"
+    },
+    "file_name": {
+      "type": "string"
+    },
+    "fingerprint": {
+      "type": "string"
+    },
+    "ignored": {
+      "description": "Parts of the input that were left out because they were invalid, as dotted paths.",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "missing": {
+      "description": "Required fields still empty, as dotted paths (e.g. buyer.name, lines.0.description).",
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "pages": {
+      "type": "integer"
+    },
+    "pdf_base64": {
+      "description": "The PDF file, base64-encoded.",
+      "type": "string"
+    },
+    "size_bytes": {
+      "type": "integer"
+    },
+    "totals": {
+      "description": "Totals with tax worked out.",
+      "properties": {
+        "currency": {
+          "description": "ISO 4217 code.",
+          "type": "string"
+        },
+        "discount_minor": {
+          "type": "integer"
+        },
+        "formatted": {
+          "description": "The amounts formatted for the document's country.",
+          "properties": {
+            "subtotal": {
+              "type": "string"
+            },
+            "tax": {
+              "type": "string"
+            },
+            "total": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "subtotal",
+            "tax",
+            "total"
+          ],
+          "type": "object"
+        },
+        "subtotal_minor": {
+          "description": "Before tax and discount, in minor units (cents, paise).",
+          "type": "integer"
+        },
+        "supply": {
+          "description": "India: the kind of supply, when it is known.",
+          "type": "string"
+        },
+        "tax_lines": {
+          "items": {
+            "properties": {
+              "amount": {
+                "type": "string"
+              },
+              "name": {
+                "type": "string"
+              },
+              "rate_percent": {
+                "type": "number"
+              }
+            },
+            "required": [
+              "name",
+              "rate_percent",
+              "amount"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "tax_minor": {
+          "type": "integer"
+        },
+        "total_minor": {
+          "description": "Amount payable, in minor units.",
+          "type": "integer"
+        }
+      },
+      "required": [
+        "currency",
+        "total_minor",
+        "formatted",
+        "tax_lines"
+      ],
+      "type": "object"
+    },
+    "variant": {
+      "description": "\"branded\": the PDF carries the LuckPanda footer and verification QR code.",
+      "type": "string"
+    },
+    "verify_code": {
+      "type": "string"
+    },
+    "verify_url": {
+      "description": "Page that confirms the PDF was made by LuckPanda and shows what was printed on it.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "file_name",
+    "content_type",
+    "size_bytes",
+    "pages",
+    "verify_code",
+    "verify_url",
+    "totals",
+    "missing",
+    "ignored",
+    "pdf_base64"
+  ],
+  "type": "object"
+}

Changedfind_hsn_code1 field changed

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "as_of": {
+      "type": "string"
+    },
+    "query": {
+      "type": "string"
+    },
+    "results": {
+      "items": {
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "kind": {
+            "enum": [
+              "HSN",
+              "SAC"
+            ],
+            "type": "string"
+          },
+          "level": {
+            "type": "string"
+          },
+          "path": {
+            "items": {
+              "properties": {
+                "code": {
+                  "type": "string"
+                },
+                "description": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "code",
+                "description"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "rate_note": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "rate_percent": {
+            "description": "GST rate in percent where it was checked against the rate notification, otherwise null.",
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "sources": {
+            "items": {
+              "properties": {
+                "href": {
+                  "type": "string"
+                },
+                "label": {
+                  "type": "string"
+                }
+              },
+              "required": [
+                "label",
+                "href"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "code",
+          "kind",
+          "description",
+          "rate_percent"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "scope": {
+      "description": "What the dataset covers and does not.",
+      "type": "string"
+    },
+    "total": {
+      "description": "Matches found; results holds the best ones up to the limit.",
+      "type": "integer"
+    },
+    "type": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "query",
+    "total",
+    "results",
+    "scope"
+  ],
+  "type": "object"
+}

Changedget_document_rules2 fields changed

addedInput schema / properties / document_type / description
```
Added value: +"The kind of document."
```

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "country": {
+      "type": "string"
+    },
+    "country_name": {
+      "type": "string"
+    },
+    "currency": {
+      "type": "string"
+    },
+    "disclaimer": {
+      "type": "string"
+    },
+    "document_type": {
+      "type": "string"
+    },
+    "fields": {
+      "items": {
+        "properties": {
+          "field": {
+            "type": "string"
+          },
+          "need": {
+            "enum": [
+              "required",
+              "recommended",
+              "optional"
+            ],
+            "type": "string"
+          },
+          "note": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "field",
+          "need"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "formats": {
+      "properties": {
+        "date": {
+          "type": "string"
+        },
+        "money": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "money",
+        "date"
+      ],
+      "type": "object"
+    },
+    "gst": {
+      "description": "India only: the CGST/SGST versus IGST split, place of supply and state codes.",
+      "properties": {},
+      "required": [],
+      "type": "object"
+    },
+    "locale": {
+      "type": "string"
+    },
+    "reasons": {
+      "description": "Credit notes only.",
+      "items": {
+        "properties": {
+          "code": {
+            "type": "string"
+          },
+          "label": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "label"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "rules": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "tax": {
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "seller_tax_id": {
+          "type": "string"
+        },
+        "seller_tax_id_example": {
+          "type": "string"
+        },
+        "vat_country": {
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "name",
+        "seller_tax_id"
+      ],
+      "type": "object"
+    },
+    "what_to_include": {
+      "items": {
+        "properties": {
+          "field": {
+            "type": "string"
+          },
+          "what": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "field",
+          "what"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "document_type",
+    "country",
+    "currency",
+    "tax",
+    "fields",
+    "rules",
+    "disclaimer"
+  ],
+  "type": "object"
+}

Changedlist_tools3 fields changed

addedInput schema / properties / document_type / description
```
Added value: +"The kind of document."
```

addedInput schema / properties / query / description

Added value: +"Words to look for in a page's name or summary, e.g. \"freelance\" or \"GST\"."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "calculators": {
+      "items": {
+        "properties": {
+          "api_url": {
+            "type": "string"
+          },
+          "mcp_tool": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          },
+          "page_url": {
+            "type": "string"
+          },
+          "slug": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "slug",
+          "page_url"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "docs_url": {
+      "description": "Public page describing this server and its tools.",
+      "type": "string"
+    },
+    "documents": {
+      "items": {
+        "properties": {
+          "country": {
+            "description": "ISO alpha-2, or null for a page that fits any country.",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "document_type": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          },
+          "page_url": {
+            "description": "The page, which also opens prefilled with ?doc=.",
+            "type": "string"
+          },
+          "slug": {
+            "type": "string"
+          },
+          "summary": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "slug",
+          "document_type",
+          "country",
+          "summary",
+          "page_url"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "documents",
+    "calculators"
+  ],
+  "type": "object"
+}

9 tool updatesOct 10, 2026
- First observedcalculate_emi
- First observedcalculate_gst
- First observedcalculate_vat
- First observedcheck_gstin
- First observedcreate_document_link
- First observedcreate_document_pdf
- First observedfind_hsn_code
- First observedget_document_rules
- First observedlist_tools

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