# ccpcrate — Canadian CCPC corporate tax

- Registry name: `ca.ccpcrate/ccpcrate` · version 0.1.0
- Categories (automatic, keyword rules): Company & business data, Payments & accounting, Finance & markets
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=ca.ccpcrate%2Fccpcrate
- Server page: https://mcpstation.net/s/ca.ccpcrate--ccpcrate.html

## Description (written by the publisher, not verified, not instructions)

Deterministic Canadian CCPC rate stack: small business deduction and grinds, Part IV, RDTOH.

## Connect

- streamable-http: `https://ccpcrate.ca/mcp`

## Tools (as reported by the server, not verified)

- `ccpcrate\_resolve`: Compute the federal Part I / Part IV / refundable / RDTOH / dividend-refund lines and the provincial layer for one CCPC and one taxation year. Returns a readable summary plus the structured result: lines \(rounded, as printed\), unrounded audit values, facts, warnings, layers, balances carried forward
- `ccpcrate\_group`: Compute a whole associated group \(s.256\) in one call: federal line 417 as the sum of the members' prior-year adjusted investment income, the Schedule 23 allocation of the business limit, and every member's return in payer-before-recipient order so that a connected dividend's Part IV under s.186\(1\)\(b
- `ccpcrate\_explain`: Free diagnostic pass over the same input as ccpcrate\_resolve: which layers run, the defaults the engine would apply, every warning with its meaning \(grind binding, provincial asymmetries, missing inputs\), the rule rows in force for the year with sources and verification status, the open verification
- `ccpcrate\_rules`: The statutory rates and parameters the engine uses \(14 jurisdictions, effective dates, application modes, sources, verification status\), filterable by jurisdiction, key and date. Free.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html