Bolsai - MCP Server

Brazilian financial market data for AI assistants. Query stock prices, fundamentals, dividends, FIIs, and macro indicators from the Brazilian market (B3, CVM, BCB) directly from Claude.

Quick Start

1. Get a free API key at usebolsai.com

2. Install:

pip install bolsai-mcp

3. Add to Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "bolsai": {
      "command": "uvx",
      "args": ["bolsai-mcp"],
      "env": {
        "BOLSAI_API_KEY": "sk_your_key_here"
      }
    }
  }
}

Or for Claude Code (.mcp.json):

{
  "mcpServers": {
    "bolsai": {
      "command": "bolsai-mcp",
      "env": {
        "BOLSAI_API_KEY": "sk_your_key_here"
      }
    }
  }
}

Tools

Example Conversations

"What's PETR4 trading at?"

PETR4
Price: R$ 36.19
Change: +R$ 0.53 (+1.49%)
Date: 2024-12-30
52-week: R$ 28.44 – R$ 42.15
YTD: +12.34%

"Compare PETR4 vs VALE3"

Comparison: PETR4 vs VALE3

Metric              PETR4       VALE3
─────────────────────────────────────
P/L                  4.89        5.23
P/VP                 1.12        1.45
EV/EBITDA            3.21        3.87
ROE                33.20%      27.70%
Net Margin         24.50%      23.10%
DY                 12.30%       9.90%
Price           R$ 36.19    R$ 58.42

Data Coverage

• 350+ stocks listed on B3
• 400+ FIIs (Real Estate Investment Funds)
• 40 years of price history (since 1986)
• 15+ years of fundamentals (since 2010)
• 27 indicators including P/L, P/VP, EV/EBITDA, ROE, ROIC, margins
• Macro data: SELIC, IPCA, CDI, USD/BRL
• Updated daily from official sources (B3, CVM, BCB)

Configuration

API Tiers

• Free: 200 requests/day. Stock quotes, current fundamentals, company search.
• Pro (R$ 49/month): 10,000 requests/day. All tools including history, dividends, financials, macro.

Development

cd mcp-server
pip install -e ".[dev]"
pytest
ruff check . && ruff format .

License

MIT