LocalFree server, account needed

Bolsai MCP server

viniciuslazzari/bolsai-mcp

Brazilian stock market data from B3, CVM and BCB: stock prices, fundamentals, dividends, FIIs and macro indicators (Selic, IPCA, CDI).

2 GitHub stars
Source code

Install Bolsai in Claude Code

Claude Code
claude mcp add bolsai -e BOLSAI_API_KEY=... -- uvx bolsai-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "bolsai": {
      "command": "uvx",
      "args": [
        "bolsai-mcp"
      ],
      "env": {
        "BOLSAI_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Bolsai MCP server do?

Brazilian stock market data from B3, CVM and BCB: stock prices, fundamentals, dividends, FIIs and macro indicators (Selic, IPCA, CDI).

Is the Bolsai MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Bolsai run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Bolsai to Claude Code?

Run: claude mcp add bolsai -e BOLSAI_API_KEY=... -- uvx bolsai-mcp

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