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orancummins

Open Finance US MCP

by orancummins

generate_voai_report

Generate a VOA-with-Income report to verify assets and income for a customer using open banking data.

Instructions

Generate a VOA-with-Income (voaHistory) report.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
from_dateNo
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?

With no annotations provided, the description fails to disclose behavioral traits like idempotency, side effects, or authentication needs. Only states the action, leaving the agent uninformed.

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 a single, front-loaded sentence with no fluff. Efficient but sacrifices necessary details.

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 complexity (3 parameters, many sibling report tools) and absence of annotations, the description is too sparse to fully inform the agent. It lacks usage context and constraints.

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

Parameters1/5

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

The description adds no information about parameters beyond the schema. With 0% schema description coverage, it does not explain the meaning or constraints of parameters like from_date or account_ids.

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 clearly states the tool generates a VOA-with-Income (voaHistory) report, using a specific verb and resource that distinguishes it from sibling tools like generate_voa_report.

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 generate_voa_report or other report generators. Lacks context for selection.

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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