An MCP server for accessing updated documentation of popular libraries
This server exposes 10 tools via HTTP with basic Express routing. Tool names follow verb_noun convention (getAllLibraries, getLibraryByName, searchAllLibraries), which is good. However, descriptions are minimal (10-30 chars), parameter descriptions are sparse or missing, and output schemas are not documented. Input schemas are present in the route definitions but lack depth, no enums for constrained values, no min/max for numeric params, no format specifications. Error handling is generic (500 errors with stack traces). The refreshDocumentation tool accepts a WRITE operation but has no confirmation pattern or dry-run capability. Overall, this is a functional but under-documented tool set typical of community servers.
Get all libraries
Get API status and information
Get documentation for a specific component
Get a specific library by name
Get all components of a library
Get all versions of a library
Get popular searches
Trigger a manual refresh of documentation
Search across all libraries
Descriptions are too short (10-35 chars). Baseline for A+ tools is 50-200 chars. LLMs cannot determine when to select tools without context on WHAT they do, WHEN to use them, and WHAT they return.
Output schemas are not documented. LLMs need to know what fields to expect in responses to plan downstream calls and extract data correctly. No documentation of return types visible in source.
No pagination documentation or enforcement. searchAllLibraries and searchLibrary accept limit/offset but no guidance on max results, default behavior, or total count in response. Large result sets risk context window exhaustion.
Inferred effective spec: <=2025-11-25.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | F | 43 | <=2025-11-25 | v2 |
Search within a specific library
refreshDocumentation is a WRITE operation with no confirmation pattern, dry-run, or undo capability. Agents can trigger documentation refreshes without safeguards, risking unintended side effects.
Error handling is generic (500 errors with stack traces). No recovery guidance, error classification (retryable vs fatal), or actionable messages. LLMs cannot self-correct or plan recovery.