# Canada Payroll Calculators

**Canonical:** https://apis.io/providers/canada-payroll-ca/  
**Website:** https://canada-payroll.ca/  
**APIs profiled:** 1

Canada Payroll Calculators provides free, browser‑based payroll deduction calculators built on CRA’s 2026 T4127 formulas and cross‑checked against PDOC. It offers tools for nanny pay, first‑employee cost, commission capitalization, and a free MCP payroll API endpoint for developers and AI agents, covering CPP, EI, QPP, QPIP and provincial income tax across all 13 provinces and territories. No signup required; all calculations run locally in the browser.

## Kin Score — 8.3 / 100 (minimal)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 11.9 |
| Access Clarity | 5.3 |

Regulatory layer — **Employment & Payroll**: 7.8 (matched via tags).

## Agent readiness — 3.7 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Open access — onboarding: open, pricing: unknown, trial: no (confidence: low).

## APIs (1)

- **Payroll API** — MCP payroll API providing calculations for CPP, EI, QPP, QPIP and provincial taxes.

## MCP servers (1)

- **Canada Payroll Calculators MCP Server** — Remote MCP server at canada-payroll.ca.

## Security (1)

- **Canada Payroll Ca Domain Security** — TLSv1.3

## Tags

Payroll, Canada, Tax, Calculators, Open Source

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/canada-payroll-ca/). Scores are computed from the provider's own public artifacts under a published rubric.