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CMeIn

by com.cmein
OverviewDiscussionsAdmin

Ask about dating-profile photos

photo_advice
Read-only

Answers a question about dating-profile photos — what works, what does not, lighting, angles, backgrounds, expressions, what dating apps do with them — from CMeIn's published articles. Returns the relevant passages with a link to each source article, and the date the content was last synced. No account needed.

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": {
      "question": "<question>"
    },
    "name": "photo_advice"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNoHow many articles to draw from. Default 3.
questionYesThe question, in the words the person asked it.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already declare readOnlyHint and openWorldHint, so the safety profile is covered. The description adds real context beyond that: the response shape (relevant passages with per-article links and a last-synced date) and the fact that no account is required, which agents would otherwise have to guess.

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?

Two sentences, front-loaded with the core purpose, then the return format and access note. Every clause earns its place with no filler.

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?

With no output schema, the description carries the return-value burden and does so — passages, source links, sync date — while also covering the access requirement. Nothing an agent needs to call this correctly is missing.

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 both parameters (question, limit) are already documented with defaults and bounds in the schema. The description adds no syntax, phrasing, or constraint detail beyond it, so the baseline 3 applies.

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?

States a specific verb and resource — answering a question about dating-profile photos — and enumerates the topical scope (lighting, angles, backgrounds, expressions, app behavior) plus the source (CMeIn's published articles). This clearly separates it from the unrelated siblings (find_video, my_credits, cmein_pricing).

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

Usage Guidelines4/5

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

Gives a clear context for use: ask a photo-related question and get passages from published articles, with 'No account needed' signaling it is freely invocable. It doesn't name an alternative tool or an explicit when-not-to-use condition, but no sibling overlaps enough to require routing guidance.

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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