mcp-sympy

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

No annotations are provided, so the description carries the full burden. It states 'Create multiple symbols,' implying a write operation, but doesn't disclose behavioral traits like permissions needed, side effects, or what the output looks like (though an output schema exists). For a mutation tool with zero annotation coverage, this is a significant gap in transparency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise with 'Create multiple symbols,' a single sentence that front-loads the purpose. There's no wasted text, making it efficient for quick scanning, though it may be too brief for clarity.

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

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

Given the complexity (a mutation tool with no annotations), 0% schema description coverage, and many sibling tools, the description is incomplete. It lacks usage context, parameter details, and behavioral insights. While an output schema exists, the description doesn't provide enough guidance for effective tool selection and invocation.

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

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

The description adds no parameter information beyond the schema, which has 0% description coverage for the single parameter 'names.' The agent is left guessing about the format (e.g., comma-separated string, list syntax) and semantics of 'names.' With low schema coverage, the description fails to compensate, leaving parameters undocumented.

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

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

The description 'Create multiple symbols' states the verb ('Create') and resource ('symbols'), but it's vague about what 'symbols' are in the SymPy context (e.g., mathematical variables). It doesn't distinguish from sibling tools like 'sympy_symbol' (singular) or 'sympy_sympify' (conversion), leaving the agent unsure when to choose this over alternatives.

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

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 siblings. With many sibling tools (e.g., 'sympy_symbol', 'sympy_sympify'), the agent lacks context for selection, such as whether this is for batch creation or specific use cases. The description offers no exclusions or alternatives.

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