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devhuang0714

umeng-openapi-mcp-server

by devhuang0714

Get daily statistics

umeng_get_daily_data

Retrieve daily core statistics for a specific Umeng U-App appkey and date. Use this tool to get key metrics for your app's daily performance.

Instructions

Get daily core statistics for a specific Umeng U-App appkey and date.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
appkeyNoUmeng appkey. If omitted, UMENG_DEFAULT_APPKEY will be used.
dateYesDate in YYYY-MM-DD format
channelNoOptional channel filter
Behavior2/5

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

No annotations are present, so the description carries full burden. It only states the action and parameters without disclosing behavioral traits like return format, aggregation, or limitations.

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 a single sentence of 14 words, directly stating purpose with no fluff. It is front-loaded and efficient.

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?

For a simple retrieval tool with 3 parameters and no output schema, the description is minimally adequate but lacks detail on return format and what constitutes 'core statistics', which would help the agent.

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 100%, so baseline is 3. The description adds context for appkey (default) and channel (optional) but does not clarify what 'core statistics' includes, beyond what schema describes.

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 clearly states the verb 'Get', the resource 'daily core statistics', and specifies the target (Umeng U-App appkey and date). It distinguishes from sibling tools like umeng_get_active_users by focusing on 'core statistics' rather than specific metrics.

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 explicit guidance on when to use this tool versus alternatives. It implies usage for daily core statistics but does not exclude other tools or state conditions.

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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