# Contaí

> Use this tool when you need to perform Brazilian fiscal and labor calculations, such as CLT labor law, INSS social security, and IRRF income tax withholding. Contaí provides 32 MCP tools to solve problems related to personal finance, business calculations, and health cost computations, with outputs updated for current Brazilian regulations. It is ideal for use cases involving Brazilian tax and labor law compliance, providing accurate inputs and outputs for financial planning and decision-making.

Canonical page: https://skillsregistry.net/skills/contai  
JSON: https://api.skillsregistry.net/v1/skills/contai

## Description

Contaí provides 32 MCP tools for Brazilian fiscal and labor calculations, including CLT labor law, INSS social security, IRRF income tax withholding, PJ business calculations, personal finance, and health cost computations. All calculations are updated for current Brazilian regulations.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-02

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/contai)
- **Repository:** <https://github.com/lfhillesheim/calculadora/tree/HEAD/packages/mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "contai"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/contai` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/contai/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt