Tax Regime Comparator Connector for AI agents.
2 live capabilities
Simulate Brazilian tax costs to find the most cost-effective business structure.
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Why people use Tax Regime Comparator
Tax Regime Comparator for Brazilian Tax Planning
This Connector takes that manual work off your plate. You just tell your agent your numbers, and it spits out a clear comparison of Simples Nacional, Lucro Presumido, and Lucro Real. You get a definitive answer on which regime is the cheapest for your specific situation.
What Vinkius changes
You get a data-driven comparison of Brazilian tax costs to pick the cheapest structure for your business.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 5,900+ Connectors
- Real-world use case 01
Starting a new service company
A founder wants to know if Simples Nacional is better than Lucro Presumido for a 500,000 BRL revenue goal.
- Real-world use case 02
Scaling a manufacturing plant
An owner needs to see the tipping point where moving to Lucro Real becomes cheaper than staying on a smaller regime.
- Real-world use case 03
Annual tax review
An accountant runs a comparison for a client whose profit margins have shifted significantly over the last year.
Complete set · 2capabilities
The complete Tax Regime Comparator capability set.
These are the exact actions your AI can choose when you ask it to work with Tax Regime Comparator.
01—02
2 capabilities in this set.
Part of 2 available through Tax Regime Comparator.
- 01 Capability
Compare tax regimes
Compares different Brazilian tax regimes to find the most efficient one for your specific business profile.
- 02 Capability
Get regime breakdown
Provides a detailed breakdown of specific tax components for a chosen regime.
Set up in minutes
One URL. Then ask Tax Regime Comparator to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Tax Regime Comparator from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it Tax Regime Comparator, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable Tax Regime Comparator for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the Tax Regime Comparator URL.
- Step 03
Save and start
Save the connection and enable Tax Regime Comparator in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"tax-regime-comparator": {
"url": "https://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using Tax Regime Comparator
Open Agent mode in chat and ask: "Using Tax Regime Comparator, help me...". 2 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"tax-regime-comparator": {
"url": "https://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using Tax Regime Comparator
Ask Copilot: "Using Tax Regime Comparator, help me...". 2 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"tax-regime-comparator": {
"url": "https://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using Tax Regime Comparator
Open Cascade and ask: "Using Tax Regime Comparator, help me...". 2 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"tax-regime-comparator": {
"url": "https://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using Tax Regime Comparator
Ask Cline: "Using Tax Regime Comparator, help me...". 2 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add tax-regime-comparator --transport http "https://edge.vinkius.com/vk_preview_zPK04fOq7ZXy2JB5YWoirCqcPivs4QTVb3IF14cX/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using Tax Regime Comparator
Ask Claude: "Using Tax Regime Comparator, show me...". 2 tools are ready
Where the request belongs
Work Tax Regime Comparator can move forward.
Small to medium business owners in Brazil who are tired of overpaying on taxes and don't want to spend hours auditing complex tax codes manually.
Brazilian Business Owner
Uses this to decide which tax structure to register for when starting a new company.
Accountant
Uses this to quickly run what if scenarios for clients during tax planning season.
Financial Planner
Uses this to model different growth scenarios and see how tax liabilities change as revenue scales.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
Browse Connectors
Simples Nacional Calculator
Calculate effective tax rates, Fator R eligibility, and monthly DAS amounts for the Brazilian Simples Nacional regime.
Presumed Profit Tax Calculator
Calculate Corporate Income Tax (CIT) and Social Contribution (SCLL) using the Presumed Profit regime.
Global Effective Tax Rate & Pillar Two Compliance
Calculate global effective tax rates and OECD Pillar Two top-up tax liabilities.
PIS/COFINS Tax Calculator
Calculate PIS and COFINS tax liabilities for cumulative and non-cumulative regimes.
Pro-Labore Tax Calculator
Calculate INSS, IRRF, and compare compensation strategies for business partners.
Avalara (AvaTax)
Automate tax calculation and compliance with Avalara AvaTax. calculate rates and resolve addresses via AI.
Bring your own AI
Change the model, client or framework. Keep Tax Regime Comparator connected.
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Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
Windsurf -
ZCode -
Cline -
Zed -
Continue -
Kiro -
Roo Code -
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Void -
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Cherry Studio -
LibreChat -
TypingMind -
Chorus -
5ire -
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LangChain -
LlamaIndex -
CrewAI -
Vercel AI SDK
Before you connect
Questions about Tax Regime Comparator.
The practical details behind the request, access and result.
How does the Tax Regime Comparator help my Brazilian business?
It compares the three main tax structures to find which one costs you the least. It takes your revenue and profit data and shows you the bottom line for each option.
Can I use the Tax Regime Comparator to see the difference between Simples Nacional and Lucro Real?
Yes, it provides a side-by-side comparison of both. It helps you see the total tax liability for each so you can choose the most cost-effective path.
Does the Tax Regime Comparator handle specific taxes like IRPJ?
Yes, it can provide a granular breakdown of components like IRPJ and CSLL. This helps you see exactly where your tax money is going under a specific regime.
How accurate are the simulations in the Tax Regime Comparator?
It uses the standard rules for Simples Nacional, Lucro Presumido, and Lucro Real. It's a highly precise way to model your costs based on the numbers you provide.
Is the Tax Regime Comparator good for high-revenue manufacturing?
Yes, it's specifically designed to help you find the tipping point between regimes. It can calculate the costs for large revenue figures like 2,000,000 BRL.
Can I check if a higher profit margin changes my best tax option?
Yes, you can ask the agent to run multiple scenarios. It will tell you if your best regime stays the same or shifts as your profitability changes.
How does the comparison work?
The capability uses your projected revenue and profit margin to calculate the total tax burden under three different legal frameworks: Simples Nacional, Lucro Presumido, and Lucro Real.
What business activities are supported?
The comparator currently supports TRADE, SERVICES, and MANUFACTURING activity types.
Can I see a detailed breakdown of taxes?
Yes, you can use the get_regime_breakdown capability to see individual tax components like Federal and Municipal taxes for a specific regime.
One connection away
Give your agent a direct line to Tax Regime Comparator.
Connect Tax Regime Comparator once. Keep it beside 5,900+ managed Connectors when the next task needs more.
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