Back to search
100
MCP live MCP 2025-11-25 streamable-http

Mexican Payroll & Tax Calculator

dev.tinyapis/mx-fiscal

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

Uptime
100.0%
1 direct probes · 30d
Response
193ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://fiscal.tinyapis.dev/mcp

Tools · 4

calc_finiquito

Compute a Mexican finiquito/liquidación (severance) for a resignation or an unjustified dismissal: prorated christmas bonus, vacations, vacation premium, pending salary, and (for dismissal) 90-day + 2…

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 memory — brackets and subsidy change yearly a…

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 compute from memory — the exemption is UMA-…

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 branches. The work-risk premium (rt_premium…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "mexican_payroll_&_tax_calculator": {
      "url": "https://fiscal.tinyapis.dev/mcp",
      "transport": "streamable-http"
    }
  }
}