regex_escape

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

The description discloses pricing (USDC via x402) but nothing about behavior. No annotations exist, so we learn nothing about side effects, required permissions, return value, or side effects. This is a significant gap for a tool that likely transforms user input.

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 short, but conciseness is not under-specification. The phrase 'Text & Encoding tool' is redundant given the name, and the cost info, while useful, doesn't compensate for the missing operational detail.

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?

Without annotations or output schema, and with only a generic params object, the description should fully explain the tool's inputs and outputs. It doesn't. It is incomplete for a tool with nested object parameters.

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 has a generic 'params' object with no named properties. The description adds no parameter semantics, so users don't know what to pass (e.g., the string to escape). Schema coverage is nominal but unhelpful.

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 only says 'regex escape — Text & Encoding tool', which restates the tool name and assigns a vague category. It does not specify the operation (e.g., escaping special characters in a string) or distinguish it from many sibling text/encoding tools like encode_base64 or html_escape.

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 about when to use this tool versus alternatives. It doesn't mention input types, examples, or exclusions. The only non-name info is cost, which doesn't help with selection.

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