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Itaú MCP

by io.github.mcp-dir

openfinance_list_connections

Read-onlyIdempotent

Returns the saved bank connections for this install: connector_id, item_id, bank name, a per-connection reconnect_url, and an add_connection_url to link additional banks via the Open Finance widget. The reconnect_url reopens the widget in UPDATE mode for that EXISTING connection (user re-enters credentials / MFA token and the data refreshes in place) — use it when a connection needs re-authentication (MFA connectors, LOGIN_ERROR, stale non-Open-Finance data). It does NOT consume a connection slot and does NOT require disconnecting first.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Added
  2. Removed
  3. Added
  4. Removed
  5. Added
  6. Removed
  7. First observed

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already indicate readOnlyHint=true, idempotentHint=true, and destructiveHint=false. The description adds value by detailing the behavior of reconnect_url (reopens widget in UPDATE mode) and add_connection_url, which goes beyond the annotations.

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?

The description is two sentences, front-loaded with the tool's purpose, and every sentence adds value. No wasted words.

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 no parameters and no output schema, the description completely covers what the tool returns and the behavior of the URLs. It is fully self-contained and leaves no ambiguity.

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 has no parameters (schema coverage 100% with empty schema). The description provides semantic meaning for the output fields, which is sufficient. Baseline is 4 for zero parameters.

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 saved bank connections with specific fields (connector_id, item_id, bank name, reconnect_url, add_connection_url). It distinguishes itself from sibling tools like openfinance_list_accounts or openfinance_list_transactions by focusing on connections and their URLs.

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 use the reconnect_url (re-authentication, LOGIN_ERROR, stale data) and notes it does not consume a connection slot or require disconnecting. However, it does not explicitly mention when to use this tool over alternatives like openfinance_get_item_status.

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

A4/5.0
Disambiguation3/5

The Open Finance tools have clear list/get pairs for each resource (accounts, transactions, loans, investments, bills), but the marketplace tool is a monolith combining search, describe, invoke, install, subscribe, and prompt library actions, causing ambiguity about which action to use. Additionally, openfinance_list_transactions and openfinance_list_transactions_by_item overlap in purpose but are distinguished by scope.

Naming Consistency3/5

The openfinance_* group follows a consistent verb_noun pattern (list, get, update, force_sync, etc.), but the platform tools (authenticate, connect, marketplace, show_version, report_bug, toolkit_info) use mixed bare verbs and nouns, creating two distinct conventions. Names like openfinance_list_transactions_by_item are longer but still consistent within the group.

Tool Count4/5

25 tools is at the heavy end, but the Open Finance domain alone justifies 17 tools covering distinct resources and operations. The platform tools add 8 more, though the marketplace tool bundles many sub-actions into one, inflating the effective count. The number is borderline but not excessive given the breadth of banking functionality.

Completeness5/5

The Open Finance surface is comprehensive with list/get for every major resource, plus support for sync, status, search, categories, and category updates. The platform tools cover authentication, connection status, marketplace operations, bug reporting, version, and toolkit state. No obvious gaps or dead ends in the workflow.

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