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by io.github.mcp-dir

openfinance_search_bank_connectors

Read-onlyIdempotent

Searches the available bank connectors by name (pass keywords[], e.g. ['nubank','btg']) and returns, per match: the connector id, whether it's Open Finance or API (access), PF/PJ (audience), the user's already-linked connections (and accounts when include_accounts=true), and a ready connect_url with the bank pre-selected. Some non-Open-Finance credential connectors carry a caveat warning that they don't auto-update (needs periodic manual reconnection) — surface it so the user can prefer the institution's Open Finance connector for automation. Honors the user's plan (a PF plan hides PJ banks; a PJ plan covers BOTH — PF and PJ banks connect and count under the same plan). Call this BEFORE connecting to hand the user a one-click link to the right bank. keywords[] is REQUIRED — without it returns a hint (never dumps the whole catalog).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
keywordsNo
include_accountsNo

Schema Changelog

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

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TDQS

A4.9/5.0
Behavior5/5

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

Annotations already declare readOnly, idempotent, nondestructive; description adds valuable context: caveat warnings for non-Open-Finance connectors, connect_url generation, and plan-dependent filtering. No contradiction with annotations.

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 longer than average but every sentence carries useful information. Minor opportunity for tighter organization, but no redundancy. Effective front-loading of key verbs and outcomes.

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 output schema, the description provides complete guidance on return values, caveats, plan behavior, and prerequisite usage. For a search tool with moderate complexity, everything needed for correct invocation is present.

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

Parameters5/5

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

Schema coverage is 0% (no parameter descriptions in schema), but the description thoroughly explains both parameters: keywords (array of strings, required, with examples) and include_accounts (boolean for including accounts). This fully compensates for the schema gap.

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 uses a specific verb (Searches) and resource (bank connectors by name), clearly distinguishing from siblings like 'openfinance_list_connections'. It enumerates exact return fields and caveats, making the tool's purpose unambiguous.

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?

Explicitly states when to call (BEFORE connecting), what happens without keywords (returns a hint), plan behavior (PF hides PJ, PJ covers both), and advises preferring Open Finance connectors. This provides clear context for agent decision-making.

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

A3.9/5.0
Disambiguation4/5

The openfinance_* tools are clearly separated by resource and action—accounts, transactions, bills, loans, investments, and connection status—so an agent can usually tell them apart. A few pairs remain confusable, notably openfinance_list_transactions vs openfinance_list_transactions_by_item and the monolithic marketplace tool overlapping with report_bug, but the detailed descriptions largely resolve the boundaries.

Naming Consistency4/5

The openfinance_* subset follows a consistent snake_case verb_noun convention (list_accounts, get_item_status, update_transaction_category), and non-openfinance tools like report_bug and show_version fit the same style. The pattern breaks with bare verbs/nouns such as connect, authenticate, marketplace, and toolkit_info, but the domain prefix makes the majority predictable.

Tool Count3/5

25 tools sits at the top of the heavy-but-manageable range, and the Open Finance resource pairs plus platform/marketplace tools each earn some place. The count feels slightly bloated because marketplace bundles many capabilities and several status/sync tools could be consolidated, but the scope is broad enough that the number is defensible.

Completeness4/5

The toolkit covers the core Open Finance surface thoroughly: accounts, balances, transactions, credit-card bills, loans, investments, categories, connection lifecycle, sync, and provider health, plus marketplace and platform plumbing. Minor gaps exist—no direct connect-bank action beyond URLs, no per-transaction get endpoint, and some marketplace operations are only accessible through the single marketplace tool—but standard workflows are not dead-ended.

Resources