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zackscriven

lemma-banking-mcp

by zackscriven

lemma_list_inbound_ach_transfers

Retrieve inbound ACH transfers, optionally filtered by account, to track money pushed or pulled by external parties.

Instructions

List inbound ACH transfers (money pushed/pulled by outside parties), optionally filtered by account.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax items per page (1-100)
cursorNoOpaque cursor from the previous page's `cursor` field
account_idNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.4/5.0
Behavior3/5

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

No annotations are present, so the description carries the behavioral disclosure burden. It clarifies that the resource is inbound ACH transfers pushed or pulled by outside parties and that account filtering is optional. However, it does not mention ordering, status inclusion, pagination behavior, or response shape. The read-only nature is reasonably conveyed by 'List,' but richer behavioral context is absent.

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 a single, front-loaded sentence with no filler. The parenthetical adds semantic clarity, and the optional account filter is stated efficiently. Every word contributes to understanding the tool.

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?

For a low-complexity list tool, the description combined with the schema covers the core call semantics: resource, optional account filter, and pagination parameters. There is no output schema, and the description does not state return shape or ordering, but 'List' makes the primary return type predictable. Slight gaps around pagination behavior and response details keep it from a perfect score.

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

Parameters3/5

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

The schema already documents limit and cursor, and the description adds meaning to the otherwise undocumented account_id by identifying it as an optional filter. It does not add detail for limit or cursor beyond what the schema provides, but that is acceptable given the schema descriptions. Overall the description modestly supplements the schema but does not fully compensate for the account_id gap.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb ('List') and a specific resource ('inbound ACH transfers'), and adds clarifying meaning with 'money pushed/pulled by outside parties.' It also notes the optional account filter. However, it does not explicitly differentiate itself from sibling tools such as lemma_list_transactions or lemma_get_inbound_ach_transfer, so it is clear but not fully distinguished from alternatives.

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

Usage Guidelines2/5

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

There is no guidance about when to prefer this tool over the many sibling list/get tools. No when-to-use, when-not-to-use, or alternative selection criteria are provided. The intended usage is only implied by the verb and resource name.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.