big-mcp-b3
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| cotacao_ativoB | Obtém cotação em tempo real de um ativo da B3 (ação, FII, BDR, ETF) |
| historico_ativoC | Obtém histórico de preços de um ativo da B3 |
| proventos_ativoB | Obtém histórico de proventos (dividendos, JCP, bonificações) de um ativo |
| fiis_listaC | Lista fundos imobiliários com filtros opcionais |
| fii_detalhesB | Obtém detalhes de um fundo imobiliário específico |
| fundamentus_ativoB | Obtém fundamentos de uma ação (P/L, P/VP, ROE, margens, etc.) via fundamentus.com.br |
| indices_b3B | Obtém cotações dos principais índices da B3 (Ibovespa, IFIX, IDIV, SMLL, etc.) |
| opcoes_ativoC | Obtém cadeia de opções de um ativo (calls e puts) |
| comparar_ativosB | Compara múltiplos ativos lado a lado (cotação, variação, proventos) |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
TDQS
Scored across 9 tools
Each tool targets a distinct function: listing funds, details, fundamentals, indices, options chain, comparison, real-time quote, price history, and dividends. There is mild overlap potential between cotacao_ativo (real-time price) and comparar_ativos (which also shows cotação), and fiis_lista vs. other asset tools, but descriptions clarify the boundaries well.
Most tools follow an [noun]_[verb/style] pattern (fiis_lista, fii_detalhes, indices_b3), but naming mixes Portuguese domain prefixes (fiis_, fii_) with generic resource suffixes (_ativo). The verbs also vary grammatically: lista (noun-like imperative), detalhes, comparar (infinitive), cotacao, historico. The pattern is readable but not fully uniform.
Nine tools is well-scoped for a Brazilian stock exchange (B3) data server covering quotes, fundamentals, indices, options, dividends, FIIs, and history. Each tool clearly earns its place without being excessive or too thin.
The surface covers the major investor workflows: real-time quotes, price history, fundamentals, dividend history, FII browsing, index quotes, options chains, and cross-asset comparison. Minor gaps include missing order/book trading depth and news/earnings calendar, but agents can complete typical research workflows without dead ends.