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x402-mcp

x402-mcp

Official
by x402node
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

cn402_timepoint

Convert any time of day to the corresponding Chinese shichen (two-hour period), including its name, zodiac animal, and elemental association.

Instructions

Chinese hour / shichen / 时辰 / 12 traditional Chinese hours / zi chou yin mao chen si wu wei shen you xu hai / 子丑寅卯辰巳午未申酉戌亥 / Chinese double hour / 2-hour Chinese time period. Convert any time of day to the corresponding Chinese shichen (one of 12 two-hour periods), including its name, zodiac animal, and elemental association.

Price: unknown on Base (auto-paid in USDC).

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "cn402_timepoint"
  }
}

Input Schema

NameRequiredDescriptionDefault
timeNoTime HH:MM (optional, default current time)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.8/5.0
Behavior3/5

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

No annotations are provided, so the description carries the burden. It mentions the return content (name, zodiac animal, elemental association) and notes the price ('unknown on Base'), but lacks details on behavior for invalid inputs, defaults, or error handling.

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 description is very concise, consisting of two sentences that clearly state purpose and output. The price note is slightly extraneous but does not detract from clarity. Information is front-loaded.

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?

Given one optional parameter, high schema coverage, and no output schema, the description adequately explains the tool's return values. It lacks detail on edge cases or error responses, but it is sufficient for a simple conversion tool.

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?

Schema coverage is 100% with a clear parameter description. The description adds value by explaining that the output includes shichen name, zodiac animal, and elemental association, though it does not elaborate on the parameter format beyond the schema.

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

Purpose5/5

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

The description uses a specific verb ('Convert') and clearly identifies the resource ('time of day' to 'Chinese shichen'), listing the output components (name, zodiac animal, elemental association). It distinguishes from sibling tools focused on other Chinese time or astrology aspects.

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 provides no guidance on when to use this tool versus alternatives. With many sibling tools (e.g., cn402_bazi_*, cn402_lunar, cn402_solar), an explicit note about when to choose this shichen converter would be helpful. Usage is only implied.

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

Deploy Server

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