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Bernuvia

by com.bernuvia
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my_evidence

THE EVIDENCE YOU filed on the dispute of an order you bought, each with its date: pick it to check what the file already contains. Not for that dispute's status, deadlines or outcome (that is dispute_status), and not for the case message thread (that is my_cases). Never anyone else's, and buyer only.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
ordenIdNoDEPRECATED alias of `orderId`: it still works, but use `orderId` (it will be removed in a future round, no date yet). Id of the disputed order.
orderIdNoId of the disputed order.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
orderYesId (uuid) of the order queried.
totalYesHow many pieces of your own evidence are in the case file.
statusYesState of the order exactly as the database stores it.
evidenceYesOnly what the caller filed: never another person's material.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed9 schema fields changed
    • changedInput schema / properties / ordenId / description
      Previous value: -"ALIAS RETIRADO de `orderId`: sigue funcionando, pero usa `orderId` (se quitará en una tanda futura, aún sin fecha). / DEPRECATED alias of `orderId`. Id de la orden en disputa."New value: +"DEPRECATED alias of `orderId`: it still works, but use `orderId` (it will be removed in a future round, no date yet). Id of the disputed order."
    • changedInput schema / properties / orderId / description
      Previous value: -"Id de la orden en disputa."New value: +"Id of the disputed order."
    • changedOutput schema / properties / evidence / description
      Previous value: -"Solo lo que aportó quien llama: nunca material de otra persona."New value: +"Only what the caller filed: never another person's material."
    • changedOutput schema / properties / evidence / items / properties / date / description
      Previous value: -"Cuándo se aportó, en ISO 8601."New value: +"When it was filed, in ISO 8601."
    • changedOutput schema / properties / evidence / items / properties / file / description
      Previous value: -"Nombre del archivo adjunto, o null si la prueba era solo texto."New value: +"Name of the attached file, or null if the evidence was text only."
    • changedOutput schema / properties / evidence / items / properties / text / description
      Previous value: -"Lo que se escribió al aportarla."New value: +"What was written when filing it."
    • changedOutput schema / properties / order / description
      Previous value: -"Id (uuid) de la orden consultada."New value: +"Id (uuid) of the order queried."
    • changedOutput schema / properties / status / description
      Previous value: -"Estado de la orden tal y como lo guarda la base."New value: +"State of the order exactly as the database stores it."
    • changedOutput schema / properties / total / description
      Previous value: -"Cuántas pruebas propias hay en el expediente."New value: +"How many pieces of your own evidence are in the case file."
  2. First observed

TDQS

A4.4/5.0
Behavior4/5

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

With no annotations, the description carries the transparency burden. It communicates a read/check behavior ('pick it to check what the file already contains') and a strict buyer-only scope. It does not explicitly state 'read-only' or list possible empty results, but the wording strongly implies non-mutating inspection and an output schema handles return details.

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?

The description is compact and front-loads the main purpose before exclusions. The ALL-CAPS opening and long sentence structure are somewhat stylistically noisy, but every clause adds necessary information.

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?

For a read-oriented evidence lookup tool, the description covers purpose, scope, ownership restrictions, and sibling exclusions. With parameter schema at 100% coverage and an output schema present, nothing essential is missing for correct selection and invocation.

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

Parameters3/5

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

Schema coverage is 100%, so the schema already documents orderId and the deprecated ordenId alias. The description only adds that the order is one 'you bought' and is disputed, which is useful context but not parameter-level semantics beyond the schema.

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 that the tool lists or inspects evidence the user filed for a disputed order, including dates. It explicitly distinguishes itself from dispute_status and my_cases, so an agent can tell exactly what resource this tool exposes.

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 direct when-not-to-use guidance by naming alternative tools for dispute status and case messages. It also enforces buyer-only and own-evidence scoping, which prevents misuse.

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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