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bcb_indicadores_atuais

Read-onlyIdempotent

Fetches the most recent values for key Brazilian economic indicators: Selic, IPCA, USD exchange rate, and IBC-Br in a single request. Provides a rapid economic overview without parameters.

Instructions

Atalho que retorna, em uma única chamada, o valor mais recente dos principais indicadores da economia brasileira: Selic anualizada, IPCA mensal, IPCA acumulado 12 meses, Dólar PTAX (venda) e IBC-Br. Não recebe parâmetros. Quando usar: para um panorama econômico rápido. Quando NÃO usar: para qualquer outra série, para dados históricos ou para escolher o período use bcb_serie_ultimos ou bcb_serie_valores. Retorna: consultadoEm (timestamp ISO 8601) e indicadores (array com indicador, codigo, data, valor — ou erro no item). Resiliente: cada indicador é buscado de forma independente, então a falha de um não derruba os demais. Comportamento: consome a API pública SGS do Banco Central do Brasil — sem autenticação, chave de API ou cadastro, e sem limite de requisições divulgado (uso é best-effort). Em falha transitória ou timeout a chamada é repetida automaticamente (até 3 tentativas, backoff exponencial); persistindo o erro, retorna isError: true com mensagem em português (HTTP 404 = série inexistente ou sem dados no período solicitado). O resultado vem como JSON tanto em texto quanto em structuredContent (conforme o outputSchema); datas no formato dd/MM/yyyy e valores numéricos (ponto decimal).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
consultadoEmYesTimestamp ISO 8601 da consulta
indicadoresYesIndicadores com seus valores mais recentes
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses resilience (independent fetching), retry behavior (up to 3 attempts with exponential backoff), error handling (isError: true, Portuguese messages, HTTP 404 handling), output format (JSON with structuredContent, date format). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured and front-loaded with purpose, though slightly lengthy. Every sentence adds value, covering usage, output, resilience, and behavior.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Comprehensive for a parameterless tool with output schema: explains return structure, error handling, retry logic, authentication needs (none), and rate limits (best-effort). No gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters exist; description confirms none. With 100% schema coverage, baseline is 4; description adds no additional parameter meaning beyond stating no parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool returns the most recent values of key Brazilian economic indicators, listing specific indicators and distinguishing when to use other tools for historical data.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (quick economic overview) and when not to use (historical data, other series), providing alternatives like bcb_serie_ultimos and bcb_serie_valores.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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