paraphrase

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

With no annotations, the description must carry the full burden of behavioral disclosure. It does add a useful cost detail ('$0.001 USDC via x402') but omits critical behaviors such as input requirements, output format, potential side effects, or payment failure handling. The cost-only disclosure is minimal.

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 short but under-specified. While there is no wasted text, the first phrase largely repeats the tool name and the second only shares cost. This is not appropriate conciseness; it lacks essential content despite its brevity.

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 no output schema, no annotations, and a generic parameter wrapper, the description is severely incomplete. It fails to explain what the tool does, how to invoke it, what to expect in return, or how it differs from many similar content/AI sibling tools. This is inadequate for an agent to use correctly.

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 a single generic 'params' object described as 'Tool parameters as JSON object,' offering no real parameter semantics. The description does not compensate by explaining what parameters are expected (e.g., text to paraphrase, style, length). Thus the agent cannot determine how to construct a valid request.

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 begins with 'paraphrase — Content & AI tool,' which merely restates the tool name and adds a generic category. It does not explicitly state what the tool does, such as rewriting input text while preserving meaning. This provides no meaningful purpose beyond the name itself.

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 given about when to use this tool versus alternatives like summarize, translate, or explain. There is no mention of use cases, exclusions, or alternative tools, leaving the agent without direction for selection.

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