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Bradescard MCP

by io.github.mcp-dir

openfinance_get_account_balance

Read-onlyIdempotent

Returns the latest available balance per account id (GET /accounts/:id/balance). This is the freshest balance the provider can serve, but it is a SNAPSHOT anchored to the connection's last upstream sync: the updateDateTime/updatedAt in each row is that sync instant, NOT a to-the-second live read. If a movement that just happened is not reflected yet, or the balance disagrees with the sum of openfinance_list_transactions, run openfinance_force_sync to pull fresh data and then re-read. Pass account_ids as an array (1–50). CREDIT accounts may return Pluggy BALANCE_FETCH_ERROR (provider could not fetch it) or BALANCE_CONSENT_ERROR (the institution refused it because the consent lacks the balance permission — reconnecting the bank restores it) — those rows include a structured warning instead of throwing. When the financial institution is temporarily unavailable upstream (5xx) or the connector is not Open Finance, the row DEGRADES to the last-synced balance with realtime: false, updatedAt and a warning instead of an error. Response shape: { results: [...], errors: [{ id, status, message }] }.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
account_idsYes

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 signal read-only, idempotent, non-destructive behavior, and the description adds substantial context beyond that: snapshot semantics tied to upstream sync, degradation behavior with realtime:false, structured warnings instead of thrown errors, and specific error scenarios.

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 longer than average, but every sentence carries operational weight: freshness, retry guidance, error modes, degradation, and response shape. It is front-loaded with the core behavior and then layered with caveats.

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?

Covers the return shape, error handling, degraded responses, retry logic, and account_id limits. With no output schema available, the description fully bridges the gap an agent needs to correctly invoke and interpret the result.

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 input schema provides only type and requiredness. The description adds that account_ids must be an array of size 1–50 and clarifies they identify the accounts whose balances are returned, compensating for the 0% schema coverage.

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?

States a specific verb (Returns) and resource (latest available balance per account id), and gives the exact endpoint. This clearly distinguishes it from sibling listing and mutation tools.

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?

Explains when the balance may be stale, when to re-read, and explicitly directs the agent to run openfinance_force_sync before re-reading when data seems outdated or inconsistent. It also provides recovery guidance for consent errors via reconnection.

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

A4.2/5.0
Disambiguation4/5

Most tools are highly distinct, targeting different resources (accounts, transactions, bills, loans, investments, connections). However, openfinance_list_transactions and openfinance_list_transactions_by_item both return transaction data with different scopes, which could cause misselection. Also openfinance_get_item_status vs openfinance_provider_status are distinct but similar in name.

Naming Consistency5/5

The openfinance_* tools follow a consistent verb_noun pattern (list_accounts, get_credit_card_bill, force_sync). Generic tools (authenticate, connect, marketplace) are also clearly named and consistent within their own domain. No mixed conventions or chaotic naming.

Tool Count4/5

At 25 tools, the server is on the heavier side (borderline of the 16-25 range) but each tool serves a clear purpose in the open finance domain, covering multiple resource types and auxiliary functions like marketplace and status. A slight trim could be made (e.g., merging some list/get pairs), but it's not excessive.

Completeness4/5

The server covers the full read lifecycle for accounts, transactions, bills, loans, and investments, plus connection management (list, disconnect, force sync) and category updates. Minor gaps like lack of direct deletion for financial records are acceptable since those are not typical operations. The generic tools (marketplace, auth, version) round out the toolkit.

Resources