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PandaStock

PandaStock

by D-Asce
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

ChLimitUpDown

Retrieve today's limit-up and limit-down statistics for Chinese A-shares to gauge market breadth and trading sentiment.

Instructions

获取今日涨跌停统计。Get today's limit-up/limit-down statistics. No arguments.

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": "ChLimitUpDown"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.5.5

TDQS

B3.1/5.0
Behavior2/5

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

With no annotations, the description carries the full behavioral burden and does little: it does not state whether the figures are real-time or end-of-day, whether the result is cached, or whether any auth is needed. It only confirms a zero-argument invocation shape, which is already evident from the schema.

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?

Very short and front-loaded, with the purpose stated immediately. The Chinese and English sentences duplicate identical content, a minor redundancy, but nothing is bloated or buried.

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

Completeness3/5

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

The tool is simple (zero params) and an output schema exists, so return values need not be explained. Still, the description omits meaningful context such as data freshness or market scope (A-shares, which exchange), which matters for a statistics tool among many similar siblings.

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?

The tool takes zero parameters, so the baseline is 4. The explicit 'No arguments' clause correctly reinforces the empty schema, leaving nothing an agent could misconfigure.

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?

States a specific verb+resource: retrieve today's limit-up/limit-down statistics, which is a concrete market-data artifact an agent can identify. However, it offers no differentiation from the many sibling market snapshot tools such as ChMarketCurReal or ChChStockCurReal, so the agent must infer the niche from the name alone.

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 contains no when-to-use or when-not-to-use guidance and names no alternatives, despite ~20 sibling market-data tools. 'No arguments' is a calling detail, not usage context, so the agent is left to guess when this statistic is preferable to a general market snapshot.

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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