shuffle_text

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

The description discloses a payment requirement ('Costs $0.001 USDC via x402'), which is a behavioral trait beyond the name. However, it does not state what the operation does, whether it is read-only, what output it produces, or any side effects. With no annotations provided, the description carries full burden but only partially covers it.

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?

At only eight words, the description is technically concise, but it is under-specified. A concise description should pack meaningful information into few words, not omit essential details. The sentence restates the tool name and adds a category, earning little value.

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 parameter detail, absence of output schema, and no behavioral explanation, the description is completely inadequate for an agent to correctly invoke the tool. It does not even clarify what 'shuffle' means for text, let alone the expected input and output formats.

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 only defines a generic 'params' object with no field-level documentation. The description adds no information about what parameters are accepted (e.g., the text string, shuffle style). This leaves the agent completely in the dark about how to construct a valid call.

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 'shuffle text — Text & Encoding tool' merely restates the tool name and assigns a category. It does not explain that the tool rearranges characters, words, or lines, nor does it distinguish the operation from sibling text tools like reverse_text or encode_base64. This borders on tautology.

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 the many sibling text manipulation tools. The only extra information is the cost via x402, which is a payment detail rather than usage guidance. The description does not mention exclusions, prerequisites, or alternatives.

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