Tools (4)

get_tax_info
calculate_income_tax
list_tax_countries
report_feedback

get_tax_info

Get income tax brackets and rates for a country.

Returns tax brackets, standard deduction, currency, tax year, and notes about the tax system.

Parameter	Type	Required	Description
`country_code`	`string`	required	ISO 3166-1 alpha-2 country code (e.g. US, GB, DE, NO).

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_tax_info",
    "arguments": {
      "country_code": "NO"
    }
  }
}

calculate_income_tax

Calculate progressive income tax for a given country and annual income.

Returns total tax, effective rate, marginal rate, and a per-bracket breakdown showing
how much income falls in each bracket and how much tax is owed per bracket.

Parameter	Type	Required	Description
`country_code`	`string`	required	ISO 3166-1 alpha-2 country code (e.g. US, GB, DE, NO).
`income`	`number`	required	Gross annual income in the country's local currency.

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "calculate_income_tax",
    "arguments": {
      "country_code": "NO",
      "income": 1.0
    }
  }
}

list_tax_countries

List all countries with available income tax bracket data.

Returns country codes, names, and currencies for all supported countries.

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "list_tax_countries",
    "arguments": {}
  }
}

report_feedback

Report a bug, feature request, or general feedback for this data source.

Use this when something doesn't work as expected, when you'd like
a new feature, or when you have suggestions for improvement.

Args:
feedback: Describe the issue or suggestion.
feedback_type: One of 'bug', 'feature_request', or 'general'.

Parameter	Type	Required	Description
`feedback`	`string`	required
`feedback_type`	`string`	optional	(default: "general")

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "report_feedback",
    "arguments": {
      "feedback": "example"
    }
  }
}

Quick Start

Shell

curl -X POST "https://context.gnist.ai/mcp/income-tax/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "get_tax_info", "arguments": {"country_code": "example"}}}'

Python

import httpx

resp = httpx.post(
    "https://context.gnist.ai/mcp/income-tax/",
    headers={"Gnist-API-Key": "YOUR_API_KEY", "Content-Type": "application/json"},
    json={
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_tax_info",
    "arguments": {
      "country_code": "example"
    }
  }
},
)
print(resp.json())