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Moonscroll

by io.github.thefedoration
OverviewDiscussionsAdmin

generate_idea

Generate one idea for a brand. Optional promotion_rating 0-10.

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": {
      "brand_hash": "<brand_hash>"
    },
    "name": "generate_idea"
  }
}

Input Schema

NameRequiredDescriptionDefault
brand_hashYes
promotion_ratingNo

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

C2.7/5.0
Behavior2/5

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

There are no annotations, so the description carries the full burden. For a generative/mutating tool it says nothing about determinism, whether the idea is persisted, auth requirements, or rate limits. Only the seed input format is hinted at.

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?

Two short sentences with the action front-loaded and the optional parameter mentioned second. No wasted words, though it is arguably too terse for the gaps it leaves.

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

Completeness2/5

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

An output schema exists, so return values need not be described. However, the required brand_hash semantics, the relationship to get_idea/list_ideas, and any behavioral expectations for a generation call are all absent, leaving the definition under-specified.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must compensate. It does add a useful range for 'promotion_rating 0-10', but the required 'brand_hash' parameter is left completely unexplained (what a brand hash is, where to obtain it).

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 ('Generate one idea for a brand'), and the singular scope ('one idea') implicitly contrasts with the script and list/get siblings. It does not explicitly name which sibling it substitutes for, so it falls short of a 5.

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 indication of when to use this versus get_idea, list_ideas, or generate_script, and no prerequisites or context are given. The agent must infer the workflow entirely from the name.

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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