Twelvedata vs Mercado Financeiro BR

In-depth architectural comparison of the Twelvedata and Mercado Financeiro BR 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.

Which MCP Server Should You Choose?

T

Choose Twelvedata when:

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

Explore Twelvedata Details

Choose Mercado Financeiro BR when:

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

Explore Mercado Financeiro BR Details

Feature & Specification Comparison

Specification	T Twelvedata Finance & Fintech	Mercado Financeiro BR Finance & Fintech
Summary	Twelve Data: stocks/ETF/forex/crypto time series, quotes, dividends, splits, earnings.	Brazilian financial market data (B3): quotes, fundamentals, dividends, REITs (FIIs), BDRs, crypto, F
Category & Scope	Finance & Fintech	Finance & Fintech

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "twelvedata": {
      "command": "npx",
      "args": [
        "-y",
        "twelvedata"
      ]
    }
  }
}

{
  "mcpServers": {
    "mercado-financeiro-br": {
      "command": "npx",
      "args": [
        "-y",
        "mercado-financeiro-br"
      ]
    }
  }
}

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