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orancummins

Open Finance US MCP

by orancummins

generate_transactions_report

Generate a transactions report for a customer over a specified date range using epoch-second timestamps. Optionally filter by account IDs to focus on specific accounts.

Instructions

Generate a Transactions report over an epoch-second date range.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
to_dateYes
from_dateYes
account_idsNo
customer_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYesTrue when the upstream HTTP status was < 400.
dataNoFinicity's native response body.
errorNoError summary when ok is False.
status_codeYesUpstream Finicity HTTP status code.
Behavior2/5

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

No annotations are provided, and the description does not disclose behavioral traits like whether the report is read-only, destructive, or requires specific permissions. The minimal description fails to inform the agent about side effects or access requirements.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence, which is efficient, but it omits essential details. It is concise but at the expense of completeness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has 4 parameters, an output schema, and many sibling report generators, the description is insufficient. It does not explain what the report contains, prerequisites (e.g., customer must exist), or how the date range is used.

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

Parameters2/5

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

Schema description coverage is 0%, and the description only mentions 'epoch-second date range' which loosely relates to from_date and to_date but does not explain the format or constraints for any parameter. The description adds little meaning beyond the schema.

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

Purpose3/5

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

The description states it generates a transactions report over an epoch-second date range, but it does not specify the scope (customer vs account) or how it differs from sibling tools like get_customer_transactions or generate_voi_report. The purpose is somewhat clear but lacks differentiation.

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?

No guidance on when to use this tool versus alternatives such as get_account_transactions or other report generators. The description does not mention prerequisites or typical use cases.

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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