What is the key difference between MCP Fiscal Brasil and Regfish?

MCP Fiscal Brasil belongs to the Developer Tools category with local stdio execution, while Regfish belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install MCP Fiscal Brasil or Regfish in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MCP Fiscal Brasil and Regfish free or paid?

MCP Fiscal Brasil operates under a Free / Open Source model (No auth required). Regfish operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MCP Fiscal Brasil lists 0 tools with 0 views and 140 GitHub stars. Regfish lists 0 tools with 0 views and 0 GitHub stars.

Can I use both MCP Fiscal Brasil and Regfish together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install MCP Fiscal Brasil or Regfish in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are MCP Fiscal Brasil and Regfish free to use, or do they require API keys?

MCP Fiscal Brasil is listed under a Free / Open Source model with No auth required . Regfish operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both MCP Fiscal Brasil and Regfish at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both mcp-fiscal-brasil and regfish as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, MCP Fiscal Brasil has a Quality Score of 45 /100 ( Fair ) with 0 views, 0 installs, and 140 GitHub stars. Regfish holds a Quality Score of 42 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

MCP Fiscal Brasil vs Regfish

In-depth architectural comparison of the MCP Fiscal Brasil and Regfish MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

MCP Fiscal Brasil

Developer Tools · Local stdio

Quality: 45/100 (Fair) | Auth: No auth required

Regfish

Developer Tools · Remote HTTP/SSE

Quality: 42/100 (Fair) | Auth: No auth required

Verdict Summary: Choose MCP Fiscal Brasil if you need specialized Developer Tools tools running via a local process. Choose Regfish if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose MCP Fiscal Brasil when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore MCP Fiscal Brasil Details

Choose Regfish when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Regfish Details

Feature & Specification Comparison

Specification	M MCP Fiscal Brasil Developer Tools	R Regfish Developer Tools
Summary	Ferramentas fiscais brasileiras: CNPJ, NF-e, IBS/CBS, ICMS, Simples Nacional, NCM/CFOP. Sem API key.	Domains, DNS, DNSSEC and hosting at regfish; diagnose any domain; OAuth or API key.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

MCP Fiscal Brasil Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Regfish Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

MCP Fiscal Brasil Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mcp-fiscal-brasil": {
      "command": "uvx",
      "args": [
        "mcp-fiscal-brasil"
      ]
    }
  }
}

Regfish Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "regfish": {
      "url": "https://regfish.de/docs/mcp"
    }
  }
}

Frequently Asked Questions

MCP Fiscal Brasil is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Regfish belongs to Developer Tools using remote streaming HTTP/SSE transport. Select MCP Fiscal Brasil when you need capabilities focused on developer tools and Regfish when you require tools for developer tools.

More alternatives to MCP Fiscal Brasil More alternatives to Regfish Developer Tools category hub