Loading ToolBench
MCP server for managing and retrieving NuGet package metadata from NuGet feeds
Single tool with basic clean architecture implementation. Tool has a clear verb-based name and documented purpose, but lacks critical depth in parameter descriptions and output schema documentation. The schema is minimal (only packageName string), and while the tool description is adequate, parameter constraints and error handling guidance are absent. The codebase shows good separation of concerns (Clean Architecture layers) and uses dependency injection, but the MCP server definitions are sparse. No input validation constraints, no error classification, no output schema formally documented, and no pagination despite potentially returning collections.
Retrieve the latest version of a NuGet package from nuget server.
Output schema not documented. RetrieveNugetPackageVersionAsync returns IEnumerable<PackageMetadata>, but the response structure (Title, ReadmeUri, Versions, PackageVersion fields) is not formally documented in tool output schema. LLMs cannot plan downstream operations without knowing what fields are available.
Parameter lacks constraints and validation hints. The packageName parameter has no documented format constraints, length limits, or examples of valid package names. Description does not explain what formats are accepted (e.g., 'MyPackage' vs 'my-package' vs 'my.package'). No guidance on invalid input recovery.
No error handling guidance. The tool can fail in multiple ways (invalid package name, network timeout, package not found, NuGet service unavailable) but the tool description provides no recovery hints. LLMs will not know whether to retry, refine the query, or report failure to the user.
Inferred effective spec: <=2025-11-25.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-22 | F | 49 | <=2025-11-25 | v2 |
| 2026-03-09 | D | 52 | - | v1 |
No pagination or result limiting documented. The tool returns IEnumerable<PackageMetadata> which could be large. No limit parameter, no pagination tokens, no documented max result count. Large result sets will consume context and degrade LLM reasoning.
No tool annotations present. Tool is read-only but lacks idempotentHint annotation. No destructiveHint (correct), no readOnlyHint (missing). Tool annotations enable agents to reason about retry safety and side effects.
Description does not clarify when to use this tool vs alternatives. Phrase 'Retrieve the latest version of a NuGet package from nuget server' is clear, but lacks context: Is this for dependency resolution? Checking if an update is available? Discovering packages? WHEN should an LLM call this instead of searching NuGet?