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A Model Context Protocol server that allows to generate images
Single-tool server with severe definition quality gaps. The create_meme tool has a name that starts with a verb (good), but the input schema is minimal, the description is vague, and parameter documentation is inadequate. The tool definition lacks depth required for production use. Parameter description is only 39 characters ('User input, description of the meme'), which is below the 72-character baseline for params in A+ tools. No output schema is documented. The server uses Anthropic API to generate meme content but exposes no guidance on what the LLM will return, making it impossible for downstream agents to parse or chain results. No error handling patterns are evident in the tool definition.
Create a meme from user input
Tool description is too vague and lacks actionable context. 'Create a meme from user input' does not explain what the tool does, when to use it, or what it returns. When? What does it return?
Parameter documentation is insufficient. The input parameter 'input' has a description of only 39 characters. Baseline for A+ tools is 72 chars. The description does not explain format constraints, examples, or what 'user input' concretely means (is this a topic? A scenario? A character limit?).
No output schema is documented. The tool calls Anthropic API and generates meme content (with structured XML fields: style_guideline, top_caption, image_description, bottom_punchline), but the tool definition does not document this return structure. LLMs cannot reliably parse undocumented output.
Inferred effective spec: <=2025-11-25.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-22 | F | 46 | <=2025-11-25 | v2 |
| 2026-03-09 | F | 36 | - | v1 |
No error handling guidance. The tool definition does not specify what happens if Anthropic API fails, if the user input is malformed, or if generation times out. Error responses must tell the LLM what to do next (pattern: recovery-guide).
Parameter lacks constraints and format guidance. The 'input' parameter is a free-form string with no length limits, enum options, or format patterns. Unbounded strings invite hallucinated or invalid values. Add min/max length, example usage, or valid patterns to the parameter description.
Tool name is generic. 'create_meme' is verb_noun (good), but does not distinguish this tool from hypothetical alternatives (e.g., create_meme_from_image, create_viral_meme). For a single-tool server this is minor, but naming could be more specific about what kind of meme is created.