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111-test-111

Math MCP Server

by 111-test-111

financial_calculator

Calculate compound interest, net present value, internal rate of return, loan payments, and other financial metrics for investment analysis and risk assessment.

Instructions

Brief description: Professional financial mathematics calculation tool, supporting compound interest, investment analysis, risk assessment, etc.
Examples:
    financial_calculator(operation='compound_interest', principal=1000, rate=0.05, time=10)
    financial_calculator(operation='npv', cash_flows=[-1000, 300, 400, 500], rate=0.1)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
operationYesFinancial calculation operation. Supports: 'compound_interest', 'simple_interest', 'present_value', 'future_value', 'annuity', 'npv', 'irr', 'loan_payment'
principalNoPrincipal or initial investment amount, must be positive
rateNoInterest rate per period (decimal format)
timeNoTime period in years or number of periods
cash_flowsNoSequence of cash flows for NPV/IRR calculation
initial_investmentNoInitial investment amount
paymentNoPeriodic payment amount
periodsNoNumber of payment periods
future_valueNoFuture value
present_valueNoPresent value
annual_rateNoAnnualized interest rate (decimal)
payments_per_yearNoNumber of payments per year
risk_free_rateNoRisk-free rate for Sharpe ratio
returnsNoSequence of returns for portfolio analysis
pricesNoSequence of asset prices
Behavior1/5

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

No annotations are provided, and the description does not disclose any behavioral traits such as side effects, idempotency, error handling, authentication requirements, or rate limits. For a calculation tool, it is presumably read-only, but this is not specified. The description fails to convey essential behavioral information beyond basic purpose.

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 brief: a single sentence followed by two code examples. It is concise and front-loaded with purpose. However, it could be slightly more structured by explicitly listing the available operations instead of the vague 'etc.'

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 tool has many operations and no output schema, the description does not explain return values or result structure. It does not mention whether the tool returns a single value or a complex object, which is critical for agents processing results. The examples show only function call syntax, not outputs. This leaves a significant gap.

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?

All 15 parameters have descriptions in the input schema (100% coverage), so the description's additional contribution is minimal. The examples illustrate usage of 'operation' and some parameters, but do not add meaning beyond what the schema already provides. The description adequately supplements the schema without being redundant.

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 states it is a 'Professional financial mathematics calculation tool' supporting compound interest, investment analysis, risk assessment, etc. This clearly identifies the domain and purpose. However, it does not enumerate all supported operations, which are detailed in the schema. Compared to siblings like basic_arithmetic or calculus_engine, it is well differentiated as a financial calculator.

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. No context about prerequisites, limitations, or when not to use it is given. The agent is left to infer usage solely from the tool name and examples.

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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