Bolsai

Created By
viniciuslazzaria day ago
MCP server for Bolsai's Brazilian financial data API. Query B3 stock prices, 27+ fundamental indicators, dividends, FIIs, and BCB macro data (Selic, IPCA, CDI) directly from Claude, Cursor, or any MCP-compatible client. 10 tools, free tier available. https://usebolsai.com/
Overview

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
  1. 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

ToolDescriptionExample Prompt
get_stock_quoteCurrent price, daily change, 52w range"What's PETR4 trading at?"
get_fundamentals27+ indicators: P/L, P/VP, ROE, margins"Show me VALE3 fundamentals"
compare_stocksSide-by-side comparison of up to 5 stocks"Compare PETR4 vs VALE3 vs ITUB4"
get_dividendsDividend yield, annual summary, payments"What dividends did BBDC4 pay?"
search_companiesFind companies by name or sector"Find banks listed on B3"
get_price_historyOHLCV prices since 1986 with adjustments"PETR4 prices last month"
get_fii_detailsFII fundamentals + distributions"Show me HGLG11"
get_macro_indicatorSELIC, IPCA, CDI, USD/BRL"What's the current SELIC rate?"
get_financial_statementsRaw CVM income/balance/cash flow"PETR4 income statement 2024"
screen_stocksFilter stocks by metrics"Find stocks with DY > 8%"

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

Environment VariableRequiredDefaultDescription
BOLSAI_API_KEYYesAPI key from usebolsai.com
BOLSAI_BASE_URLNohttps://usebolsai.com/api/v1API base URL

API Tiers

  • Free: 200 requests/day. Stock quotes, current fundamentals, company search.
  • Pro (R$ 29/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

Server Config

{
  "mcpServers": {
    "bolsai": {
      "command": "uvx",
      "args": [
        "bolsai-mcp"
      ],
      "env": {
        "BOLSAI_API_KEY": "sk_your_key_here"
      }
    }
  }
}
Project Info
Created At
a day ago
Updated At
a day ago
Author Name
viniciuslazzari
Star
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License
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Category

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