x402-is-untouchable
Is Untouchable: Is Untouchable
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| value | No | Value to process |
Is Untouchable: Is Untouchable
| Name | Required | Description | Default |
|---|---|---|---|
| value | No | Value to process |
Changes observed during successful MCP inspections.
Input schema / properties / valueAdded value: +{
+ "description": "Value to process",
+ "type": "string"
+}Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full behavioral burden — and it discloses nothing: no mutation/read semantics, no side effects, no auth or payment requirements (relevant given the x402 payment-prefixed family), no failure modes. The name hints at a boolean-style check but the description never confirms 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?
It is short, but brevity here is under-specification rather than conciseness — the two clauses are identical and neither earns its place. There is no front-loaded statement of purpose to anchor the rest.
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?
For a tool with an opaque name, no annotations, no output schema, and a single generically named parameter, the description provides no compensating context whatsoever. An agent has no basis to call this tool 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?
Schema description coverage is 100%, so the single "value" parameter is documented in the schema itself, which sets the baseline at 3 per the scoring rules. The description adds nothing to clarify what kind of value (string? address? token?) the generic "Value to process" expects.
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 is "Is Untouchable: Is Untouchable" — a verbatim restatement of the tool name with zero added information. An agent cannot determine what resource this operates on, what it returns, or how it differs from the hundreds of sibling tools. This is textbook 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?
There is no indication of when to use this tool, when not to use it, or which sibling it might substitute for. With ~1000 similarly named x402-* siblings, the absence of any routing guidance makes selection impossible.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.