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My Painting Club — Painting Lessons

by io.github.1nzpainter

search_painting_lessons

Read-onlyIdempotent

Search the mypaintingclub.com painting-lesson knowledge base. The knowledge base is built from transcribed Vimeo lessons covering topics such as colour mixing, brushwork, composition, value, edges, and painting techniques for oils and acrylics.

Given a natural-language question, the tool returns up to top_k relevant answers drawn from real lesson content. Each result includes:

  • answer: the lesson's explanation for that question

  • lesson_title: the name of the lesson

  • sales_page_url: the mypaintingclub.com page where members can watch

  • start_time_seconds / end_time_seconds: the exact clip in the video

  • vimeo_deep_link: a direct URL to that moment (e.g. https://vimeo.com/123456789#t=312s)

  • score: cosine distance (lower = more relevant; 0 = identical)

Use this tool whenever a member or agent asks a painting technique question that might be answered by a specific lesson.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
top_kNoMaximum number of results to return (1–20). Default 5.
questionYesNatural-language painting technique question to search for. Examples: 'how do I paint soft edges in oils', 'colour mixing for shadows', 'how to simplify a busy background'.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

TDQS

A4.4/5.0
Behavior4/5

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

Beyond the annotations (readOnlyHint and idempotentHint), the description details the output format, including the meaning of the score (cosine distance, lower = more relevant) and the inclusion of time-coded links. This adds significant behavioral context about the search results that the annotations do not convey.

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 well-structured and front-loaded, beginning with the tool's purpose, followed by the output schema in a bulleted list, and ending with usage guidance. It's longer than the bare minimum, but every sentence adds useful information for an agent deciding whether and how to invoke the tool.

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?

For a search tool with only two parameters and no siblings, the description covers the domain, the query type, the result structure, and the intended use case. The presence of an output schema further complements it, making the description sufficiently complete for an agent to select and invoke the tool correctly.

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?

The input schema already provides full descriptions for both parameters (question and top_k), including range and default. The description adds little beyond restating the natural-language question input and the top_k limit, so the schema carries the burden; the baseline of 3 is appropriate.

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 identifies the tool as a search over the mypaintingclub.com painting-lesson knowledge base, with a specific verb ('search') and resource. It also enumerates the types of content and the return structure, leaving no ambiguity about its function.

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

Usage Guidelines5/5

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

The description explicitly states when to use the tool: 'Use this tool whenever a member or agent asks a painting technique question that might be answered by a specific lesson.' This is a clear trigger, and although there are no sibling tools to exclude, the guidance is unambiguous and actionable.

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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TDQS

A4.4/5.0
Disambiguation5/5

Only one tool exists, so there is no possibility of selecting the wrong tool. The tool's purpose is clearly scoped to searching painting lessons.

Naming Consistency5/5

The single tool name 'search_painting_lessons' follows a clear verb_noun pattern and is descriptive. With only one tool, there are no inconsistencies to evaluate.

Tool Count3/5

The server exposes only one tool, which feels thin for a general knowledge base. However, the scope is narrowly defined as search, so one tool is borderline acceptable.

Completeness4/5

The search tool covers the primary need of answering painting technique questions from lesson content. Minor gaps exist, such as the inability to browse all lessons or retrieve a specific lesson by ID, but these are workable around.

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