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mansanitizer

Fabits MCP Server

by mansanitizer

fabits_get_star_funds

Retrieve curated top recommended mutual funds from Fabits to help users discover investment opportunities through the MyWealth platform.

Instructions

Get Fabits curated top recommended mutual funds.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
user_idYesUnique identifier for the user (e.g., WhatsApp phone number). REQUIRED for all requests to maintain user session state.
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It states a read operation ('Get'), implying it's likely safe, but doesn't mention any constraints like rate limits, authentication needs, or what 'curated top recommended' entails (e.g., based on user profile, time-sensitive). This leaves significant gaps for a tool that might involve financial data.

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, efficient sentence that directly states the tool's purpose without any fluff or redundancy. It's appropriately sized and front-loaded, making it easy to parse quickly.

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 of financial tools and the lack of annotations and output schema, the description is insufficient. It doesn't explain what 'curated top recommended' means, how results are returned, or any behavioral traits, leaving the agent with incomplete context for safe and effective use.

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 input schema has 100% description coverage, with the 'user_id' parameter well-documented as a required unique identifier. The description adds no additional parameter semantics beyond what's in the schema, so it meets the baseline of 3 for high schema coverage without compensating value.

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 clearly states the action ('Get') and the resource ('Fabits curated top recommended mutual funds'), making the purpose specific and understandable. However, it doesn't explicitly differentiate from sibling tools like 'fabits_search_funds' or 'fabits_get_fund_details', which might also retrieve fund information, so it lacks sibling distinction.

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?

The description provides no guidance on when to use this tool versus alternatives. With siblings like 'fabits_search_funds' and 'fabits_get_fund_details', there's no indication of context, prerequisites, or exclusions, leaving the agent to guess based on tool names alone.

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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