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Math-MCP

Math-MCP

by EthanHenrickson
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

multiply

Perform precise multiplication of two numbers using the Math-MCP server. Input two numerical values to calculate their product accurately through a simple API.

Instructions

Multiplies two numbers together

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "firstNumber": "<firstNumber>",
      "SecondNumber": "<SecondNumber>"
    },
    "name": "multiply"
  }
}

Input Schema

NameRequiredDescriptionDefault
SecondNumberYesThe second number
firstNumberYesThe first number

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.1/5.0
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 only states the multiplication operation without mentioning potential behaviors like handling of large numbers, overflow, or error cases. This leaves significant gaps for a tool with no annotation coverage.

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 with zero waste. It's appropriately sized for a simple mathematical operation and front-loaded with the core functionality.

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

Completeness3/5

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

Given the tool's low complexity (basic arithmetic) and high schema coverage, the description is minimally adequate. However, with no annotations and no output schema, it lacks details on return values or error handling, which could be important for completeness.

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 schema description coverage is 100%, with both parameters clearly documented in the schema. The description doesn't add any meaning beyond what the schema provides (e.g., no details on number types or constraints), so it meets the baseline for high schema coverage.

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's function as 'Multiplies two numbers together', which is a specific verb (multiplies) and resource (numbers). However, it doesn't differentiate from sibling tools like 'add' or 'subtract' beyond the basic operation name, which keeps it from a perfect score.

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 'add' or 'sum'. It lacks context about mathematical scenarios or prerequisites, offering only the basic operation without usage context.

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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