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devhuang0714

umeng-openapi-mcp-server

by devhuang0714

U-App get today and yesterday data

umeng_uapp_get_today_yesterday_data

Retrieve today and yesterday statistics for your Umeng app. Input the app key to access daily performance metrics.

Instructions

Get today and yesterday statistics for an app. Official API: umeng.uapp.getTodayYesterdayData.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
appkeyNoUmeng appkey. If omitted, UMENG_DEFAULT_APPKEY will be used.
Behavior2/5

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

No annotations provided, and the description does not disclose any behavioral traits such as data freshness, rate limits, or authentication requirements. For a simple data retrieval tool, these are not critical, but the description adds no value beyond the action.

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 very concise with two sentences, no superfluous text. However, it could include more useful details without becoming verbose.

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?

Given the simplicity of the tool (one optional parameter, no output schema), the description is minimally adequate. But it fails to mention that it combines data from two separate endpoints, which could be important for understanding behavior.

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 coverage is 100%, and the parameter description in the schema is clear. The tool description does not add meaningful information beyond what the schema already provides, so baseline score of 3 is appropriate.

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 states it gets today and yesterday statistics. The verb 'get' and resource 'statistics for an app' are specific. However, it does not differentiate from sibling tools like umeng_uapp_get_today_data or umeng_uapp_get_yesterday_data, which are similar but more specific.

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?

No guidance on when to use this tool over the separate today or yesterday tools, or when to combine them. The description lacks context for selecting the appropriate tool.

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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