show_version
Read-onlyIdempotent
Show the current MCP platform and adapter versions.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Mercado Pago MCP
TDQS
A4.3/5.0
Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, destructiveHint=false, and idempotentHint=true. Description adds specificity by naming the exact version info (platform + adapter), which is helpful.
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?
Single, focused sentence with no waste. Front-loads the key action and output.
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?
Given zero parameters and no output schema, the description fully captures the tool's purpose and behavior.
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?
No parameters exist; baseline score is 4 as per evaluation rules.
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?
Description clearly states verb 'Show' and specific resources 'MCP platform and adapter versions', distinguishing it from siblings which cover authentication, connections, and Open Finance operations.
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?
Usage is implied for retrieving version information, but no explicit guidance on when to use vs alternatives is provided.
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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TDQS
A4.1/5.0
Disambiguation5/5
Each tool has a clearly distinct purpose. Even overlapping-looking tools like list_transactions vs list_transactions_by_item are clearly differentiated (per-account vs consolidated per-connection), and get vs list variants follow standard conventions. The marketplace tool bundles multiple actions but is its own meta-tool. No two tools appear to do the same thing.
Naming Consistency4/5
The openfinance_ prefix provides a consistent pattern for banking operations, with clear get/list/update/force_sync verbs. A few non-prefixed meta tools (authenticate, connect, marketplace, report_bug, show_version, toolkit_info) break the pattern, but they represent different functional domains and are still readable. Overall the convention is predictable.
Tool Count3/5
At 25 tools, this is on the heavy side per the calibration guidelines (16-25 feels heavy). However, the breadth of Open Finance resources (accounts, transactions, investments, loans, credit cards, connections, plus meta operations) largely justifies the count. It's borderline and could benefit from consolidation, but it's not excessive.
Completeness4/5
The tool surface covers the domain comprehensively: listing and getting accounts, transactions, investments, loans, credit card bills, connections, status, sync, category management, and provider health. Missing operations are minor (e.g., no explicit 'get single transaction' but list covers it; no create/update on banking data besides category and disconnect). Core workflows are fully supported.