Tallyfern Rates (Canada)

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "tallyfern-rates-canada": {
      "type": "http",
      "url": "https://mcp.tallyfern.com/mcp"
    }
  }
}

5 tools

• gst_hst_small_supplier_check

  Apply the CRA's $30,000 small-supplier tests (single calendar quarter and four consecutive calendar quarters) to taxable revenue by calendar quarter. Says whether the person must register for the GST/HST, when they stop being a small supplier, the effective date of registration…

• gst_hst_rate_by_province

  Current GST/HST rate for a Canadian province or territory (or all 13), with the PST/QST rate CRA lists for reference. From CRA's 'Charge and collect the GST/HST' table.

• cra_automobile_allowance_rate

  CRA reasonable per-kilometre allowance rates for employer-paid vehicle allowances (2026 default; 2025 also available): first 5,000 km and after, provinces vs territories. Optionally calculates the allowance for a number of business kilometres.

• cra_meal_travel_allowance

  CRA simplified-method rates (latest published tax year): flat meal rate per meal and maximum per day, and vehicle cents/km by province or territory where travel begins. These apply to moving expenses, northern residents deductions and medical travel, not to employer per-diems…

• ontario_hst_basics

  Plain-language basics for Ontario businesses: the 13% HST rate, the $30,000 small-supplier threshold, the 29-day registration deadline and place-of-supply rule, with CRA sources.

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