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Tallyfern Rates (Canada)

by com.tallyfern
OverviewDiscussionsAdmin

Server Details

Read-only Canadian GST/HST rates, small-supplier check and CRA allowance rates, with CRA sources.

Ownership verified
Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
ChatGPT
–
Claude
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TDQS

A3.8/5.0

Scored across 5 tools

Disambiguation3/5

The two CRA rate tools (automobile allowance vs meal/travel allowance) and the small-supplier check are clearly distinct. However, ontario_hst_basics largely re-packages gst_hst_rate_by_province (Ontario rate) plus gst_hst_small_supplier_check ($30,000 threshold, registration), so an agent could plausibly satisfy a request from more than one tool. The boundaries exist but require reading descriptions carefully to pick correctly.

Naming Consistency4/5

Names follow a readable domain-prefixed snake_case convention: cra_* for allowance rate tools and gst_hst_* for tax tools. The lone deviation is ontario_hst_basics, which switches from a tax-type prefix to a jurisdiction prefix and uses the vague 'basics' suffix. Overall predictable, with one inconsistent outlier.

Tool Count4/5

Five tools is a tight, well-scoped set for a narrow Canadian tax-rate lookup server, well within the ideal range. The only concern is that one slot (ontario_hst_basics) is partly redundant rather than additive, so the effective surface is closer to four distinct capabilities.

Completeness3/5

Coverage of the stated rate domain (vehicle allowance, meal/travel, GST/HST rates, small-supplier test) is reasonable, and calculation options exist on the rate tools. But it stops short of obvious siblings like CPP/EI or federal/provincial income tax rates, other provinces' PST/QST basics, and any GST/HST filing/remittance operations, and the jurisdiction-specific 'Ontario basics' tool is an odd asymmetry with no counterpart.

Available Tools

5 tools
cra_automobile_allowance_rateCRA per-km automobile allowance rateA
Read-onlyIdempotent
Inspect

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. Returns structuredContent with the per-km rates for provinces and territories, the rates for the given region, an optional tiered calculation, the source and an as-of date.

Inputs: year, province, kilometres. Returns: asOf, year, rates, scope, +9 more

cra_meal_travel_allowanceCRA simplified meal and vehicle ratesA
Read-onlyIdempotent
Inspect

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. Optionally calculates amounts. Returns structuredContent with the tax year, meal rates, vehicle cents/km (one province or all), optional vehicle and meal amounts, scope notes, the source and an as-of date.

Inputs: days, meals, province, kilometres. Returns: asOf, meals, scope, region, +10 more

gst_hst_rate_by_provinceGST/HST and PST rates by provinceA
Read-onlyIdempotent
Inspect

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. Returns structuredContent with one rate row (or all 13), the effective-from date, notes, the canada.ca source and an as-of date.

Inputs: province. Returns: asOf, rate, notes, rates, +5 more

gst_hst_small_supplier_checkGST/HST small supplier ($30,000) checkA
Read-onlyIdempotent
Inspect

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, and headroom for next quarter. Most businesses only (not charities/public service bodies). Returns structuredContent with status, headline, the triggering quarter (or null), per-quarter rolling totals, next-quarter headroom, sources and an as-of date.

Inputs: quarters (required), taxiOrRideshare. Returns: asOf, rule, latest, status, +12 more

ontario_hst_basicsOntario HST basicsA
Read-onlyIdempotent
Inspect

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. Returns structuredContent with the Ontario rate row, the threshold, the registration deadline in days, sources and an as-of date.

Inputs: no named parameters. Returns: asOf, rate, sources, province, +5 more

Tool Schema Changelog

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