pexbot-mcp

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

No annotations are provided, so the description carries full burden. It states a read operation ('Get'), implying it's likely safe and non-destructive, but doesn't disclose any behavioral traits such as authentication requirements, rate limits, error conditions, or what specific information is returned. This leaves significant gaps for an agent to understand how the tool behaves in practice.

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 a single, clear sentence that front-loads the key action and resource. There's no wasted verbiage or redundancy, making it highly efficient and easy to parse. It earns its place by succinctly conveying the core purpose.

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 lack of annotations and output schema, the description is incomplete. It doesn't explain what 'profile information' entails (e.g., user details, settings, status), how the data is returned, or any operational constraints. For a tool with no structured metadata, this minimal description fails to provide enough context for reliable agent use.

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 input schema has 0 parameters with 100% coverage, so no parameter documentation is needed. The description doesn't add param info, which is appropriate here. Baseline is 4 for zero parameters, as the schema fully handles the lack of inputs without requiring description compensation.

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 clearly states the action ('Get') and resource ('your pex.bot account profile information'), making the purpose understandable. However, it doesn't differentiate from sibling tools like 'get_balance' or 'get_my_runs' beyond specifying 'profile information', which is somewhat generic. It avoids tautology since the name 'get_profile' alone doesn't specify 'account' or 'pex.bot'.

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?

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites, context for retrieving profile info, or comparisons to siblings like 'get_balance' or 'get_my_runs'. The agent must infer usage based on the name alone, which is insufficient for optimal tool selection.

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