ScorpTech x402 API

Equidigital

equidigital

Read-onlyIdempotent

Whether the written factorization uses exactly as many digits as n. 1, 10, 16, and 25 do. 4 and 125 do not. n runs from 1 to 1000000. Price: $0.001 USDC per successful call (x402, Solana). Same tool over HTTPS: POST https://scorptech.it.com/api/x402/v1/equidigital

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "n": "<n>"
    },
    "name": "equidigital"
  }
}

Input Schema

Name	Required	Description	Default
`n`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

AddedOct 23, 2026

TDQS

A3.5/5.0

Behavior4/5

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

Annotations already declare read-only, idempotent, open-world, and non-destructive behavior. The description adds useful behavioral context beyond annotations: successful calls cost $0.001 USDC via x402 on Solana, and an HTTPS endpoint is provided.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact and front-loads the core definition, then adds examples, domain, and pricing/endpoint details. Every sentence serves a purpose, though the endpoint string is incidental for MCP invocation.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple boolean predicate with one integer parameter and no output schema, the definition, examples, valid domain, and payment context are sufficient. It could be slightly clearer that the return value is true/false, but 'Whether...' strongly implies a predicate result.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must carry the parameter explanation. It gives the valid range (1 to 1,000,000) and examples of qualifying values, but this largely duplicates the schema's minimum/maximum and does not further define n beyond the predicate context.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies a specific mathematical predicate: whether n is equidigital, with concrete examples (1, 10, 16, 25 vs. 4, 125) and a domain. It does not distinguish this tool from the large set of sibling number-theory tools, so it misses the top mark.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description states the valid input range and examples, but gives no guidance on when to use this tool versus alternatives or when not to use it. The usage context is only implied by the mathematical definition.

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

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