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DanWahlin

Marvel MCP

by DanWahlin

generate_comics_html

Generate an HTML page showcasing Marvel comics with images by specifying filters like characters, creators, or custom titles for easy display and navigation.

Instructions

Create an HTML page displaying Marvel comics with their images

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
charactersNo
collaboratorsNo
creatorsNo
dateDescriptorNo
dateRangeNo
diamondCodeNo
digitalIdNo
eanNo
eventsNo
formatNo
formatTypeNo
hasDigitalIssueNo
isbnNo
issnNo
issueNumberNo
limitNoLimit results (max 100)
modifiedSinceNo
noVariantsNo
offsetNo
orderByNo
seriesNo
sharedAppearancesNo
startYearNo
storiesNo
titleNoCustom title for the HTML page
titleStartsWithNo
upcNo
Behavior2/5

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

With no annotations provided, the description carries full burden for behavioral disclosure. While 'Create an HTML page' implies a write/generation operation, it doesn't specify whether this requires authentication, where the HTML is saved/displayed, whether it's a one-time generation or overwrites existing files, or what happens if parameters are invalid. For a tool with 27 parameters and no annotation coverage, this is insufficient.

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, clear sentence that efficiently communicates the core purpose. There's no wasted language or unnecessary elaboration. It's appropriately sized for what it does convey.

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?

For a tool with 27 parameters, no annotations, no output schema, and minimal schema descriptions, the description is inadequate. It doesn't explain what the HTML output looks like, where it goes, how comics are selected/filtered, or provide any guidance on the numerous parameters. The description fails to address the complexity of the tool.

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 only 7% (only 'limit' and 'title' have descriptions), leaving 25 parameters undocumented in the schema. The description mentions 'Marvel comics' which provides some context for the parameters, but doesn't explain what any specific parameters mean or how they filter the comics. It doesn't compensate for the poor schema coverage.

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 the tool's purpose: 'Create an HTML page displaying Marvel comics with their images.' It specifies the action (create), resource (HTML page), and content (Marvel comics with images). However, it doesn't distinguish this from sibling tools like 'get_comics' which likely retrieve raw data rather than generate HTML output.

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 guidance on when to use this tool versus alternatives. It doesn't mention sibling tools like 'get_comics' or explain that this tool is for presentation/formatting purposes rather than data retrieval. There's no context about prerequisites or when this tool would be preferred.

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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