How to Use the PIS/COFINS Tax Calculator MCP in Claude Code

Pipe Brazilian tax calculations into your CI/CD workflows using Claude Code.

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Connect PIS/COFINS Tax Calculator MCP to Claude Code

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Setup PIS/COFINS Tax Calculator with Claude Code

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Automate tax checks via MCP Server

Headless execution changes how you handle financial compliance. You can trigger `calculate_cumulative_tax` from a cron job to verify daily revenue against the standard PIS and COFINS statutory rates. Claude Code pipes the raw output directly into your database. No browsers. No GUIs. Just straight terminal commands calculating your base liabilities.

Process non-cumulative credits

Managing input credits requires high-complexity data pipelines. Your shell scripts can pass deductible supplier costs to `calculate_non_cumulative_tax` for instant net liability figures. This prevents cash flow leakage. Your automated tasks process the credit math in the background. You get the bottom line delivered to your SRE logs.

Run regime analysis in Claude Code

Tax regime selection requires historical analysis. You can write a script that feeds quarterly financial data into `evaluate_regime_comparison` to find the optimal tax structure. The CLI client outputs the breakeven points as plain text. You pipe that into your reporting tools. Run the numbers first before locking in a tax strategy for the fiscal year.

Setup guide

Set up PIS/COFINS Tax Calculator MCP in Claude Code

Prerequisites

Claude Code CLI installed (npm install -g @anthropic-ai/claude-code)
Active Vinkius subscription with a valid endpoint token

1

Run the add command

Open your terminal and run the command shown on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com. Use --scope user to make it available across all projects.
2

Verify the connection

Start a Claude Code session and type /mcp to list connected servers. You should see piscofins-tax-calculator-mcp with a green status indicator.
3

Start using tools

Ask Claude Code something like "Check my latest PIS/COFINS Tax Calculator transactions." It will automatically discover and invoke the available PIS/COFINS Tax Calculator tools.

Terminal

claude mcp add --transport http piscofins-tax-calculator-mcp https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Get your connection token →

Prerequisites

Claude Code CLI installed
Active Vinkius subscription with a valid endpoint token

1

Open the config file

Create or edit .mcp.json in your project root for project-level scope, or ~/.claude.json for user-level scope.
2

Add the PIS/COFINS Tax Calculator MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Code

Start a new Claude Code session. Type /mcp to confirm the server is connected. The tools will be automatically available in your conversation.

.mcp.json

{
  "mcpServers": {
    "piscofins-tax-calculator-mcp": {
      "type": "url",
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by PIS/COFINS Calculator. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about PIS/COFINS Tax Calculator MCP in Claude Code

Run the command claude mcp add --transport http -- . Make sure all flags come before the server name. Verify the setup with claude mcp list.

Yes. The CLI client supports headless execution. You can automate tax liability checks within your CI/CD pipelines.

It supports stdio, http, and sse transports. Your configuration is saved directly to your local .claude.json file.

Terminal execution strips away the visual clutter. SREs and backend developers can integrate Brazilian tax compliance directly into their automated infrastructure.

Your raw transaction logs and tax rate parameters are processed locally via the MCP protocol. The CLI client does not phone home with your financial data, keeping your automated pipelines secure.

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