Dados B3

io.github.Val7h/dados-b3

Brazilian stocks (B3): 36 read-only tools. Fundamentals, dividends, FIIs, ETFs. Most need no key.

View repository →Homepage →

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "dados-b3": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/val7h/dados-b3-mcp:1.9.3"
      ],
      "env": {
        "DADOS_B3_API_KEY": "<your DADOS_B3_API_KEY>"
      }
    }
  }
}
Environment variables
  • DADOS_B3_API_KEYsecretDados B3 API key. Optional: without one, any ticker answers in annual indicators, multiples, CVM accounts, dividends and FIIs (60/hour, 150/day per IP; AI assistants 2,000/hour). A free key (200 queries/day, no card) or Pro unlocks scores, restatements, quarterly data, full prices and screeners: https://dadosb3.com

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.9.3
Registry
active
Published
11/7/2026

Remotes

  • streamable-httphttps://dadosb3.com/mcp/

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Add the badge to your site

Show visitors that Dados B3 is listed here — it’s also the link we check for a free listing.

Dados B3 — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-val7h-dados-b3?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Dados B3 — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Dados B3 — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-val7h-dados-b3?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.