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githejie

Calculator MCP Server

by githejie
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

计算器 MCP 服务器

用于计算的模型上下文协议服务器。该服务器使法学硕士 (LLM) 能够使用计算器进行精确的数值计算。

可用工具

  • calculate - 计算/评估给定的表达式。

    • expression （字符串，必需）：要计算的表达式

安装

使用 uv（推荐）

使用uv时无需特殊安装。我们将使用uvx直接运行mcp-server-calculator 。

curl -LsSf https://astral.sh/uv/install.sh | sh

使用 PIP

或者，您可以通过 pip 安装mcp-server-calculator ：

pip install mcp-server-calculator

安装后，您可以使用以下命令将其作为脚本运行：

python -m mcp_server_calculator

Related MCP server: Calculator MCP

配置

使用 uv（推荐）

将其添加到您的 MCP 客户端设置中：

"mcpServers": {
  "calculator": {
    "command": "uvx",
    "args": ["mcp-server-calculator"]
  }
}

使用 PIP

或者将其添加到您的 MCP 客户端设置中：

"mcpServers": {
  "calculator": {
    "command": "python",
    "args": ["-m", "mcp_server_calculator"]
  }
}

执照

mcp-server-calculator 采用 MIT 许可证。这意味着您可以自由使用、修改和分发该软件，但须遵守 MIT 许可证的条款和条件。更多详细信息，请参阅项目仓库中的 LICENSE 文件。

Available Tools

1 tool
calculateD

Calculates/evaluates the given expression.

NameRequiredDescriptionDefault
expressionYes

TDQS

D1.8/5.0
Behavior1/5

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 action without mentioning any traits like error handling, performance limits, output format, or side effects. This leaves the agent with insufficient information about how the tool behaves beyond its basic function.

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 very concise with a single sentence, which is efficient and front-loaded. However, it is overly brief to the point of under-specification, lacking necessary details that would make it more helpful without becoming verbose.

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

Completeness1/5

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

Given the tool's complexity (a calculation function with no annotations, no output schema, and low schema coverage), the description is incomplete. It fails to address key aspects like return values, error cases, or usage examples, making it inadequate for an agent to effectively invoke the tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 1 parameter with 0% description coverage, and the description does not compensate by explaining what 'expression' entails (e.g., syntax, supported operators, constraints). This leaves the parameter semantics entirely undocumented, failing to add value beyond the minimal schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Calculates/evaluates the given expression' is tautological, essentially restating the tool name 'calculate' without adding specificity. It mentions a verb ('calculates/evaluates') and resource ('expression'), but lacks details about what type of expressions are supported or the calculation context, making it vague.

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?

No guidance is provided on when to use this tool, such as for mathematical expressions, logical evaluations, or specific domains. Since there are no sibling tools, the lack of alternatives doesn't penalize heavily, but the description fails to offer any contextual usage hints or prerequisites.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 1 tool updatev1.0.0
    • First observedcalculate
Deploy Server
Shareable, User-Owned Context BackendPeople, applications, and agents read, write, and coordinate together in one context lake. Reach it over MCP, a CLI, a Python SDK, or REST.fulcradynamics.comAd

TDQS

C2.3/5.0

Scored across 1 tool

Disambiguation5/5

With only one tool, there is no possibility of confusion or overlap between tools; the single tool 'calculate' has a distinct and clear purpose for evaluating expressions.

Naming Consistency5/5

The single tool name 'calculate' follows a consistent verb-based pattern, and with only one tool, there is no inconsistency in naming conventions to evaluate.

Tool Count2/5

A single tool for a calculator server feels thin and under-scoped, as it lacks operations for common mathematical functions (e.g., add, subtract, trigonometric functions) or advanced features, making it borderline too few for the domain.

Completeness2/5

The tool surface is severely incomplete for a calculator domain; it only provides a generic 'calculate' tool without covering basic arithmetic operations, scientific functions, or memory features, leading to significant gaps in functionality.

Maintenance

ActivityInactive
ResponsivenessResponsive

Resources

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