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imbenrabi

Financial Modeling Prep MCP Server

searchCUSIP

Read-onlyIdempotent

Search financial securities by CUSIP number to retrieve company name, stock symbol, and market capitalization.

Instructions

Easily search and retrieve financial securities information by CUSIP number using the FMP CUSIP API. Find key details such as company name, stock symbol, and market capitalization associated with the CUSIP.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
cusipYesThe CUSIP number to search for
Behavior4/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and openWorldHint=true, covering safety and behavior. The description adds value by listing example return fields (company name, stock symbol, market cap), complementing the annotations without contradiction.

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 sentences, front-loaded with the core purpose. No wasted words; every sentence contributes essential information.

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 simple single-parameter lookup tool, the description covers the input (CUSIP) and hints at output (company name, symbol, market cap). No output schema exists, so the description partially compensates. It could mention whether multiple results are possible, but the context seems sufficient given the simplicity.

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?

Schema coverage is 100% with a clear parameter description ('The CUSIP number to search for'). The description's mention of 'CUSIP number' is redundant with the schema, offering no additional semantic meaning beyond what the schema already provides.

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?

Clearly states verb 'search and retrieve', resource 'financial securities information', and scopes by 'CUSIP number'. Sibling tools like searchISIN and searchSymbol exist, but this description makes the specific focus on CUSIP evident.

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

Usage Guidelines3/5

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

Implies usage when a CUSIP is available, but no explicit guidance on when not to use or alternatives (e.g., searchISIN, searchSymbol). The description provides clear context but lacks exclusionary or comparative advice.

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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