How do I install Dados B3?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Dados B3 official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 13 (Limited). The formula is published on the methodology page.

MCPpedia

Dados B3 MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

Dados B3 MCP Server

Name: Dados B3 MCP Server
Author: val7h

Brazilian stock (B3) fundamentals: ratios, dividends, scores, FIIs, ETFs, BDRs. Open methodology.

Tools Versions Alternatives

RegistryRemoteval7h

13Limited

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "val7h-dados-b3-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/val7h/dados-b3-mcp:1.9.0"
      ],
      "env": {
        "DADOS_B3_API_KEY": "YOUR_DADOS_B3_API_KEY"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
DADOS_B3_API_KEY	No	Dados B3 API key. Optional: WEGE3 and the whole methodology are free without one. Create a free key (200 queries/day, no card) or subscribe at https://dadosb3.com. Secret.

Dados B3 MCP Server

Install

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