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imbenrabi

Financial Modeling Prep MCP Server

getBiggestGainers

Read-onlyIdempotent

Identify stocks with the largest price increases. Access real-time data on top gainers to analyze market surges and discover growth opportunities.

Instructions

Track the stocks with the largest price increases using the Top Stock Gainers API. Identify the companies that are leading the market with significant price surges, offering potential growth opportunities.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, openWorldHint, indicating safe, idempotent, open-world behavior. The description adds the source API name but no additional behavioral traits (e.g., pagination, rate limits). No contradiction with annotations.

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?

Two concise, front-loaded sentences with no wasted words. Every sentence adds value.

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 zero-parameter, no-output-schema tool, the description is nearly complete. It could mention that it returns a list of gainers, but the purpose is clear. Among many sibling tools, additional context on output format would help but is not critical.

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?

Input schema has 0 parameters with 100% coverage, so the baseline is 3. The description adds no parameter information, which is acceptable since no parameters exist.

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 tool retrieves stocks with largest price increases using the Top Stock Gainers API. It distinguishes from the sibling 'getBiggestLosers' by focus on gainers, but does not explicitly mention that contrast.

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 like 'getMostActiveStocks' or 'getQuote'. No context on prerequisites or exclusions.

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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