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SidneyBissoli

Senado BR — Brazilian Federal Senate Open Data

by SidneyBissoli
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

Licitações do Senado

senado_licitacoes
Read-onlyIdempotent

Find Brazilian Senate procurement bids by exact number or keyword in object description. Returns count, total, and bid records, with configurable result limit up to 500.

Instructions

Busca licitações do Senado por número exato (ex: 19/2018) ou texto do objeto. Retorna { count, total, licitacoes } com os registros brutos da API administrativa, limitados a limite (padrão 50, máx 500). Exige ao menos numero ou objeto (sem filtro retorna erro). Para o contrato resultante de uma licitação, use senado_contratos.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limiteNoMáximo de resultados (padrão: 50)
numeroNoNúmero exato da licitação (ex: 19/2018)
objetoNoTexto no objeto da licitação

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv3.9.0
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • addedInput schema / additionalProperties
      Added value: +false
    • changedOutput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Changed2 schema fields changedv3.3.3
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedOutput schema / additionalProperties
      Previous value: -trueNew value: +{}
  3. First observedv3.3.1

TDQS

A4.7/5.0
Behavior4/5

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

Annotations already declare readOnly/idempotent/non-destructive, so the safety profile is covered; the description adds genuinely new behavior: the mandatory-filter error condition, the default and max page size, and the fact that raw unfiltered API records are returned. It does not describe pagination beyond 'limite' or ordering, keeping it short of a 5.

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

Conciseness5/5

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

Four tightly packed sentences: purpose, return shape, limits, precondition, and alternative. No filler, and the search modes plus the error precondition are front-loaded.

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, required input constraint, result cap, and the sibling hand-off; the return payload is restated briefly and an output schema exists anyway, so nothing an agent needs to invoke this 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 the baseline is 3, but the description contributes an extra constraint the schema cannot express with required:[] — that at least one of 'numero'/'objeto' must be supplied. It also restates default/max for 'limite' and clarifies 'numero' is an exact match.

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 and resource ('Busca licitações do Senado') and enumerates the two supported lookup modes (exact 'numero' or 'objeto' text), which lets an agent distinguish it from the many other senado_* list/search tools. It also explicitly routes to the related sibling senado_contratos.

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?

Gives a hard precondition ('Exige ao menos numero ou objeto (sem filtro retorna erro)') and an explicit alternative with its selecting condition ('Para o contrato resultante de uma licitação, use senado_contratos'). Both when-to-use and when-not-to-use are covered.

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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