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dados-b3

dados-b3 is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from Val7h/dados-b3-mcp. Its token cost is not measured, scanned A, original, MIT.

A remotely hosted MCP server for Dados B3, a service that provides Brazilian market and company data. It is configured by connecting to its web address rather than running a local process.

In plain words
What is it for?
Use it when a client needs to connect to the remote Dados B3 service. The specific financial tasks depend on the tools exposed by that service.
Why use it?
It gives an agent a direct connection to the service without requiring local installation. The entry itself does not describe the server's individual operations.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

Written for Claude Code: shipped in a Claude Code plugin. Also seen: listed in a Claude config.

Part of the dados-b3 plugin — 1 skill, 1 MCP server shipped together

not rated 0repo yesterday A scan tokens not measured original MIT

Good fit Use it when a client needs to connect to the remote Dados B3 service. The specific financial tasks depend on the tools exposed by that service.

Compare 6 mcp servers from other repositories ↓
Install with agentmods
npx agentmods add mcp/val7h/dados-b3-mcp/dados-b3-dados-b3
View source ↗ Val7h/dados-b3-mcp dadosb3.com
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/Val7h/dados-b3-mcp

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Or install dados-b3, the plugin that ships this one along with the rest of its 1 skill, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for dados-b3

README.md
[![agentmods](https://agentmods.dev/badge/mcp/val7h/dados-b3-mcp/dados-b3-dados-b3/github.svg)](https://agentmods.dev/mcp/val7h/dados-b3-mcp/dados-b3-dados-b3)
Your own site
<a href="https://agentmods.dev/mcp/val7h/dados-b3-mcp/dados-b3-dados-b3"><img src="https://agentmods.dev/badge/mcp/val7h/dados-b3-mcp/dados-b3-dados-b3/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for dados-b3

Your own site · 80×15
<a href="https://agentmods.dev/mcp/val7h/dados-b3-mcp/dados-b3-dados-b3"><img src="https://agentmods.dev/badge/mcp/val7h/dados-b3-mcp/dados-b3-dados-b3.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

dados-b3 scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/dados-b3/.mcp.json · 6 lines

What it actually says

{
  "dados-b3": {
    "type": "http",
    "url": "https://dadosb3.com/mcp"
  }
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 6 lines scan A a184910d911e

Subscribe to this mod's changes

dados-b3 is an MCP server published in the GitHub repository Val7h/dados-b3-mcp (0 stars, last pushed yesterday), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-04.

Finance and fintechapib3bovespabrazilian-stockscvmfinancial-data
Related

dados-b3 compared with mcp servers from other repositories

dados-b3 next to 6 mcp servers from other repositories
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dados-b3Val7h/dados-b3-mcpMCP server0yesterdayMITA—Claude Code, Codex, Cursor, Gemini CLI, OpenCode
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