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Mercado Pago MCP

by io.github.mcp-dir

openfinance_get_item_status

Read-onlyIdempotent

Returns the current status of a bank connection (UPDATED, UPDATING, LOGIN_ERROR, etc.), its executionStatus, connector metadata, and a reconnect_url that reopens the widget in UPDATE mode for that connection (re-authenticate / enter MFA token in place, without disconnecting and without consuming a connection slot). Omit item to get the status of ALL linked banks at once (returns { count, items }); pass item for a single bank.

Bulk support: accepts item_ids for batched execution.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
itemNo
item_idNo
item_idsNo

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already show readOnlyHint=true, idempotentHint=true, and destructiveHint=false. The description adds valuable behavioral context (e.g., reconnect_url reopens widget in UPDATE mode without disconnecting), but does not mention authentication or rate limits.

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 concise and front-loaded with the main purpose. While it contains necessary details, it is slightly lengthy but well-structured with clear sections for parameters.

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 the tool's complexity (bulk support, optional parameters, and reconnect_url behavior), the description provides sufficient context. No output schema exists, but the description covers return structures adequately.

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?

With 0% schema description coverage, the description fully explains the semantics: omitting 'item' returns all banks ('{ count, items }'), passing 'item' returns a single bank, and 'item_ids' supports bulk execution. This compensates for the lack of schema descriptions.

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 it returns the current status of a bank connection, including executionStatus, connector metadata, and reconnect_url. It distinguishes itself from sibling tools like openfinance_list_connections by specifying it's for status retrieval, not listing all connections.

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

Usage Guidelines4/5

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

The description explains when to omit the 'item' parameter for all banks, pass it for a single bank, and use 'item_ids' for bulk execution. However, it does not explicitly state when not to use this tool or compare directly with alternatives like openfinance_force_sync.

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.

Resources