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daedalus

mcp-sympy

by daedalus
OverviewSchemaRelated ServersScoreDiscussions
Python
Remote

sympy_naturals

Obtain the set of natural numbers for symbolic algebra and number theory. Invoke without arguments.

Instructions

The set of natural numbers.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Implementation Reference

  • src/mcp_sympy/tools.py:2309-2312 (handler)
    The 'sympy_naturals' tool handler. It returns the string representation of sympy.S.Naturals, representing the set of natural numbers.
    @mcp.tool()
def sympy_naturals() -> str:
    """The set of natural numbers."""
    return str(sympy.S.Naturals)
  • src/mcp_sympy/tools.py:2309-2309 (registration)
    The tool is registered via the @mcp.tool() decorator on line 2309, where 'mcp' is a FastMCP instance defined at line 119.
    @mcp.tool()

Tool Definition Quality

A3.5/5.0
Behavior2/5

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

With no annotations, the description carries full burden but only states the tool's identity, not its behavior. It does not explain that it returns a set object or any side effects.

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?

One short sentence, perfectly concise with no unnecessary words.

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?

For a simple constant set, the description is mostly complete, but lacks a mention of whether natural numbers start at 1 or 0, which is important given sibling sympy_naturals0.

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

Parameters4/5

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

No parameters exist, so schema coverage is 100%. The description adds no further parameter details but is adequate given no parameters.

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?

The description clearly states the tool returns the set of natural numbers, which is specific and distinct from siblings like sympy_naturals0 (which includes 0).

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 versus alternatives like sympy_naturals0 or sympy_reals, leaving the agent to infer from the name alone.

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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