Mexican Payroll & Tax Calculator

Name: Mexican Payroll & Tax Calculator
Author: dev.tinyapis

MCP serverMCP

Deterministic Mexican payroll & tax math: finiquito, ISR, aguinaldo, IMSS (2026 tables).

by dev.tinyapishomepage ↗v1.0.0

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability1/1 checks ok

30 days agotoday

Endpoints

Registry facts

Not distributed through a package registry we index.

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	32 ms	server mx-fiscal 1.0.0 · protocol 2025-06-18 · 4 tools

Tools observed via MCP handshake

calc_finiquito — Compute a Mexican finiquito/liquidación (severance) for a resignation or an unjustified dismissal: prorated christmas bonus, vacations, vacation premium, pendin
calc_isr — Compute Mexican ISR (income tax) withholding for a monthly or annual income using the official SAT tables and employment subsidy. Do NOT estimate ISR from memor
calc_aguinaldo — Compute a Mexican aguinaldo (year-end bonus): gross, the UMA-based exempt portion, the taxable portion, its ISR, and the net. Minimum 15 days by law. Do NOT com
calc_imss — Compute Mexican IMSS social-security contributions: the SDI (integrated daily wage by seniority) and SBC, plus employer/worker quotas for the five insurance bra

Declared by sources

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind ← Official MCP Registry

name ← Official MCP Registry

summary ← Official MCP Registry

version ← Official MCP Registry

description ← Official MCP Registry

homepageUrl ← Official MCP Registry

publisherName ← Official MCP Registry

Derived by Wellknown

Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.

Provenance

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registrydev.tinyapis/mx-fiscal

first seen 4 h ago · fetched 4 h agoopen ↗

Field history (6 recent events)

4 h ago · declared · summary → "Deterministic Mexican payroll & tax math: finiquito, ISR, aguinaldo, IMSS (2026 tables)."
4 h ago · declared · description → "Deterministic Mexican payroll & tax math: finiquito, ISR, aguinaldo, IMSS (2026 tables)."
4 h ago · declared · publisherName → "dev.tinyapis"
4 h ago · declared · homepageUrl → "https://fiscal.tinyapis.dev"
4 h ago · declared · version → "1.0.0"
4 h ago · declared · protocols → ["mcp"]