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Nota Fiscal

by io.github.mcp-dir
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notafiscal_baixar_nfse

Read-onlyIdempotent

Retorna os links de PDF (DANFSe) e XML de uma NFS-e emitida.

Bulk support: accepts invoice_ids for batched execution.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "invoice_id": "<invoice_id>"
    },
    "name": "notafiscal_baixar_nfse"
  }
}

Input Schema

NameRequiredDescriptionDefault
companyNo
invoice_idYes
invoice_idsNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.7/5.0
Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint, covering safety. The description adds context about returning links and bulk execution, but does not disclose additional behavioral traits beyond that.

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?

Two sentences with no wasted words. First sentence states core purpose, second sentence adds bulk capability. Front-loaded and efficient.

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

Completeness4/5

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

Given no output schema and 0% schema coverage, the description adequately conveys the return type (links) and the main parameter (invoice_id/invoice_ids). It misses details like error handling or optional company parameter, but is largely complete for a simple retrieval tool with safe annotations.

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

Parameters2/5

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

Schema description coverage is 0%, placing full burden on the description. It explains invoice_ids for batch, but does not describe company, the distinction between invoice_id and invoice_ids, or any parameter constraints. This is insufficient.

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 PDF and XML links of an issued NFS-e, using a specific verb 'returns'. It distinguishes from siblings like emit, cancel, consult, and list, which have different purposes.

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

Usage Guidelines3/5

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

The description notes bulk support via invoice_ids, giving a hint about when to use batching. However, it lacks explicit when-to-use or when-not-to-use guidance, and no mention of prerequisites or alternatives.

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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