Read-only Canadian GST/HST rates, small-supplier check and CRA allowance rates, with CRA sources.
Connect Remote server
claude mcp add --transport http rates https://mcp.tallyfern.com/mcp
{
"mcpServers": {
"rates": {
"url": "https://mcp.tallyfern.com/mcp"
}
}
}
{
"servers": {
"rates": {
"type": "http",
"url": "https://mcp.tallyfern.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.tallyfern.com/mcp
Tools 5 found in our last check
gst_hst_small_supplier_checkApply 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_provinceCurrent 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. Returns structuredContent with one rate row (or all 13), the effective-from date, notes, the canada.ca source…
cra_automobile_allowance_rateCRA 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. Returns structuredContent with the…
cra_meal_travel_allowanceCRA 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. O…
ontario_hst_basicsPlain-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. Returns structuredContent with the Ontario rate row, the threshold, the registration deadline in day…
Details
| Endpoint | https://mcp.tallyfern.com/mcp (Streamable HTTP) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | com.tallyfern/rates |
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