Dados B3 is answering right now. Last checked 8 min ago. It exposes 36 tools. Last commit 11 Oct 2026.
Brazilian stock (B3) fundamentals: ratios, dividends, scores, FIIs, ETFs, BDRs. Open methodology.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 13 August 2026. No other catalogue keeps this.
Over the last week it answered 99.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.
claude mcp add dados-b3 --transport http https://dadosb3.com/mcp/
https://dadosb3.com/mcp/
[mcp_servers.dados-b3]
url = "https://dadosb3.com/mcp/"
{
"mcpServers": {
"dados-b3": {
"url": "https://dadosb3.com/mcp/"
}
}
}
{
"servers": {
"dados-b3": {
"type": "http",
"url": "https://dadosb3.com/mcp/"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
fatos_contabeis
fatos_relevantes
fundos_da_acao
fundos_investimento
screener
screener_fiis
acessos_telecom
auditar_amostra
bancos
bdr
desempenho
dicionario
dividendos
etf
etfs_ranking
eventos
fii
fiis_ranking
hoje
indicadores_anuais
indice
listar_empresas
listas
metodologia
multiplos
precos
producao_petroleo_gas
quanto_rendeu
reapresentacoes
saiu_da_bolsa
saude
scores
tarifas_energia
tesouro_direto
trimestres
veredito
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://dadosb3.com/mcp/ | streamable-http | answering | 289 ms | 8 min ago |
Brazilian stock market data (B3, CVM, BCB) for AI assistants: quotes, fundamentals, dividends, FIIs.
Brazilian financial market data (B3): quotes, fundamentals, dividends, REITs (FIIs), BDRs, crypto, F
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US stocks and options data via SQL: bars, ticks, greeks, fundamentals, filings. No key.
Stocks, ETFs, crypto, commodities, forex: quotes, fundamentals, SEC filings, point-in-time history.
Indian stocks (NSE/BSE): quotes, fundamentals, analyst targets, IPOs, mutual funds, commodities.
Alpha Vantage MCP — Stock market data, fundamentals, and earnings
Answers built from our own checks of this server.