ScorpTech x402 Tools

Goldbach

goldbach

Read-onlyIdempotent

The Goldbach split of an even n with the smallest prime p, so n = p+q and p <= q. 10 gives 3 and 7. 20 gives 3 and 17. 4 gives 2 and 2. n is even, from 4 to 10000. Price: $0.001 USDC per successful call (x402, Solana). Same tool over HTTPS: POST https://scorptech.it.com/api/x402/v1/goldbach

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": "goldbach"
  }
}

Input Schema

Name	Required	Description	Default
`n`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

AddedOct 23, 2026

TDQS

A4/5.0

Behavior4/5

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

Annotations already cover safety and idempotency, and the description adds key operational context: the $0.001 USDC per successful call via x402 on Solana and an alternative HTTPS endpoint. It does not discuss failure modes or response nuances, but the pricing information is valuable.

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

Conciseness5/5

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

The definition is front-loaded with the core computation, followed by concise examples, input constraints, and payment details. Every sentence adds useful information without waste.

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

Completeness5/5

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

For a simple deterministic math function with no output schema, the description fully conveys the input domain and output through examples. An agent has everything needed to call it correctly.

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

Parameters4/5

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

With one parameter and 0% schema description coverage, the description compensates by specifying that n must be even and in the range 4–10000. The examples further clarify the expected input and output mapping.

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 precisely defines the computation: the Goldbach split with the smallest prime p, and provides output examples. It clearly distinguishes this from a general check or count, though it does not explicitly name siblings like goldbach_check or goldbach_count.

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

Usage Guidelines3/5

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

Usage is implied by the input constraints (even n, 4–10000) and examples, but there is no explicit statement of when to use this tool versus alternatives such as goldbach_check or goldbach_count.

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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