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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.

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

TDQS

A4.8/5.0
Behavior5/5

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

Annotations already mark read-only and idempotent, but the description adds key behaviors: empty keywords returns a hint rather than the full catalog, plan-based filtering (PF hides PJ, PJ covers both), and caveat warnings for non-auto-updating connectors. These go beyond annotation data and are essential for correct usage.

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?

All five sentences carry unique information with no filler. Purpose and return values lead, followed by caveat, plan, and invocation guidance in logical order.

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?

For a search tool with no output schema, the description thoroughly covers return values, conditional behaviors, usage order, and required inputs. It is self-contained and sufficiently distinct from sibling tools.

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 has 0% description coverage, but the description fully explains both parameters: keywords[] is REQUIRED with examples and hint behavior, include_accounts=true adds accounts to returned connections. This fully compensates for the schema's lack of detail.

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 opens with 'Searches the available bank connectors by name', specifying the exact verb and resource. It enumerates returned fields (connector id, access, audience, linked connections, connect_url), clearly distinguishing it from sibling list/connect tools.

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?

Explicitly instructs 'Call this BEFORE connecting to hand the user a one-click link to the right bank', giving a clear when-to-use. It also advises preferring Open Finance connectors over caveated credential connectors, though it does not name alternative tools directly.

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
Disambiguation4/5

Tools are mostly distinct, with clear descriptions differentiating them. Some overlap between openfinance_list_accounts and openfinance_get_accounts_detail, but descriptions clarify that one returns summaries and the other full details. The marketplace tool is very detailed and avoids confusion with Open Finance tools.

Naming Consistency3/5

The Open Finance tools follow a consistent openfinance_verb_noun pattern, but other tools (authenticate, connect, marketplace, report_bug, show_version, toolkit_info) do not use a prefix. This mix of conventions reduces overall consistency, though within the Open Finance subset the pattern is clear.

Tool Count4/5

24 tools is a reasonable count for a platform covering authentication, marketplace, and detailed Open Finance operations. The number is slightly high but each tool has a clear purpose and none seem redundant.

Completeness5/5

The tool set covers the full lifecycle of bank connections: listing accounts, transactions, credit card bills, investments, loans, force syncing, provider status, and category management. The marketplace tool also allows extending functionality. No obvious gaps for the intended financial data domain.

Resources