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fedeclavero

Mercado Libre MCP

by fedeclavero

meli_business_memory

Read-only

Retrieves local business rules and policies for the authorized Mercado Libre seller account, keeping account-specific guidance private for consistent decisions.

Instructions

Lista reglas y políticas locales de la cuenta autorizada. Su contenido debe mantenerse privado.

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.3/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, openWorldHint=true and destructiveHint=false. The description adds a meaningful behavioral directive beyond them – the returned content is private and must not be exposed – but says nothing about auth requirements, rate limits, or whether rules can be absent.

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?

Two short sentences, with the resource stated first and the privacy constraint second. The referent of "Su contenido" is slightly ambiguous but the total length is justified.

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

Completeness3/5

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

With no output schema and no parameters, the description carries the burden of explaining what a "local rule/policy" record contains and what an empty result means. It covers the privacy obligation but leaves the shape of the returned data unspecified.

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?

The tool takes zero parameters and schema coverage is 100%, so there is nothing for the description to clarify. Baseline for a no-parameter tool applies.

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

Purpose4/5

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

The description gives a specific verb ("Lista") and resource ("reglas y políticas locales de la cuenta autorizada"), so an agent knows this is a read of account-level rules. It does not reference the related siblings meli_save_business_policy or meli_active_rules_status, so it misses a 5.

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

Usage Guidelines2/5

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

There is no statement of when to call this versus meli_active_rules_status or meli_save_business_policy. Usage is only implied by the verb "Lista"; nothing tells the agent when this tool is the right choice.

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