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Dados Abertos Senado BR MCP

by io.github.SidneyBissoli
OverviewDiscussionsAdmin

Agenda das comissões

senado_agenda_comissoes
Read-onlyIdempotent

Obtém a agenda de reuniões de todas as comissões numa data (data YYYYMMDD; padrão: hoje), com filtro opcional siglaComissao. Retorna { data, siglaComissao, count, reunioes }, cada reunião com codigo, comissao (sigla, nome), descricao, data, hora, local, tipo e situacao. Para o histórico de uma única comissão por período use senado_reunioes_comissao; para detalhes de uma reunião use senado_reuniao_comissao com o codigo.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataNoData específica (YYYYMMDD)
siglaComissaoNoFiltrar por comissão específica

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / additionalProperties
      Added value: +false
  2. Changed2 schema fields changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • changedOutput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  3. Changed2 schema fields changed
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedOutput schema / additionalProperties
      Previous value: -trueNew value: +{}
  4. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": true,
+  "properties": {},
+  "type": "object"
+}
  5. First observed

TDQS

A4.4/5.0
Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, openWorldHint and destructiveHint=false, so the safety profile is covered. The description adds the default-date behavior ('padrão: hoje'), which is genuine added context, but says nothing about auth, rate limits, or result volume beyond the (schema-backed) return shape.

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?

Front-loaded with purpose, then parameters/defaults, then routing alternatives in a single tight paragraph. The full enumeration of return fields is somewhat redundant given an output schema exists, but it is organized and readable.

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?

Covers purpose, both parameters with defaults, return shape, and sibling routing. For a read-only list tool with an output schema and complete annotations, nothing an agent needs to call it correctly is missing.

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?

Schema coverage is 100%, so baseline is 3, but the description adds meaning the schema omits: that `data` defaults to today when absent and that `siglaComissao` is an optional filter. That default-value disclosure is a real increment over the parameter definitions.

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?

States a specific verb+resource+scope: 'Obtém a agenda de reuniões de todas as comissões numa data'. It explicitly names the two sibling tools it is not and the conditions that select them, so an agent can distinguish it without opening other schemas.

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?

It gives explicit routing rules: use `senado_reunioes_comissao` for a single committee's history over a period, and `senado_reuniao_comissao` with the `codigo` for a meeting's details. When-to-use and alternatives are fully spelled out.

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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