A server that helps manage your pantry and suggest meals
The server provides 5 tools with reasonable naming and structure, but exhibits significant gaps in schema documentation, parameter descriptions, and error handling. Tool names follow verb_noun patterns (getPantry*, update*, convert*, get*), which is positive. However, parameter descriptions are sparse or absent in the visible schema definitions, and output schemas are not formally documented. The code shows Zod schema usage for input validation, but these schemas are not clearly mapped to the tool registration calls. Error handling exists but is generic (catch-all with error.message). The composition is reasonable, tools are focused on single responsibilities (pantry info, recipes, unit conversion). This server lands in the 'Fair' range with noticeable gaps in documentation completeness.
Convert between cooking units and measurements
Get common cooking unit equivalents
Get pantry inventory and available recipes for meal planning
Get information about the current pantry inventory
Update quantities of multiple pantry items at once
Output schemas are not formally documented. Tools return text/JSON responses via the standard MCP content structure, but the actual response field structure (e.g., what fields are in the pantry items object, what the recipe object contains) is not declared for the LLM. This forces LLMs to infer the response structure and risks hallucinated field access.
Parameter descriptions are minimal or missing context. The input parameter objects have descriptions (e.g., 'Filter items by a specific category'), but lack validation constraints. For string parameters like 'filterByCategory' and 'filterByTag', there is no indication of valid values, whether they are case-sensitive, or what happens if an invalid category is passed. No enum constraints are declared.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-22 | D | 51 | 2026-07-28+ | v2 |
| 2026-03-09 | F | 28 | - | v1 |
Error handling is generic. All tools use a catch-all try/catch that returns error.message as plain text. There is no categorization of errors (retryable vs. user-fixable vs. fatal), no actionable recovery guidance, and no indication of what the LLM should do next. E.g., if a category doesn't exist, the error should suggest 'Try getPantryInfo() without a filter, then pick from available categories: [...]'.
updatePantryItems is a write/destructive operation but has no confirmation or dry-run step. Agents could accidentally reduce pantry quantities if they misunderstand the semantics. The description states 'Quantity to add (positive) or remove (negative)' but does not warn that this is destructive or suggest a pattern to prevent accidental deletions.
No pagination support. getPantryAndRecipes returns up to maxRecipes (default 10), but if the pantry contains 500 items and the recipes reference many of them, there is no mechanism for the LLM to iterate through results. Large result sets risk exceeding token limits and degrading reasoning quality.
Tool composition issue: getPantryAndRecipes returns a formatted text response ('# Pantry Inventory Data\n\n...JSON...'), mixing Markdown headers with raw JSON. This requires the LLM to parse both formats, which is error-prone. Return structured objects directly so the LLM can extract fields without parsing Markdown.
Parameter relationships are undocumented. The 'ingredient' parameter in convertCookingUnits is marked optional, but the description does not explain that ingredient-specific conversions (e.g., flour vs. water by weight) may require this parameter for accuracy. Dependency hints are missing.