Loading ToolBench
The server defines 4 tools with explicit schemas and descriptions. Naming is reasonable (generate_quiz, answer_question, quiz_stats, analyze_content) but lacks clear action verbs in some cases. Schemas are present and typed, but descriptions are generic and lack LLM-optimized guidance. Error handling is basic (McpError wrapping). Resource support exists but is underdeveloped. Overall a fair-to-mediocre implementation typical of early-stage MCP servers.
Analyze content and provide recommendations for quiz generation
Submit and evaluate an answer to a quiz question
Generate quiz questions from content
Get statistics for quiz sessions
Tool descriptions are generic and lack LLM-optimized guidance. 'Generate quiz questions from content' (45 chars) and 'Submit and evaluate an answer to a quiz question' (50 chars) do not explain WHEN to use the tool, dependencies, or side effects. Descriptions should include context like 'Use after analyzing content with analyze_content' or 'Stateful: tracks session for quiz progression.'
Parameter descriptions are minimal and miss format/constraint guidance. E.g., 'focusArea' in generate_quiz has no examples or validation rules. 'sessionId' in answer_question is marked optional but its role in stateful quiz flow is unexplained. 'difficulty' enum is present but descriptions do not clarify what 'expert' means in the quiz context.
Inferred effective spec: <=2025-11-25.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-22 | F | 45 | <=2025-11-25 | v2 |
| 2026-03-09 | F | 11 | - | v1 |
Output schemas are not documented. No tool description states what fields are returned (e.g., does generate_quiz return sessionId, questions[], scores?). LLMs cannot infer downstream dependencies, if create-quiz returns sessionId, answer_question MUST be documented to accept it.
Tool naming lacks consistency and clarity. 'answer_question' is passive (the LLM is answering, not submitting). 'quiz_stats' is a noun phrase, not a verb. Should be 'get_quiz_stats' or 'fetch_quiz_stats' to match verb_noun convention and avoid LLM confusion with similar tools like 'analyze_content'.
No tool annotations (readOnlyHint, destructiveHint, idempotentHint) despite clear side-effect distinctions. answer_question is WRITE (stateful), but generate_quiz, quiz_stats, and analyze_content are READ_ONLY. Tool annotations help LLMs plan safely and retry without duplication.
Error handling in server.ts is minimal. handleError wrapping exists but no visible guidance in tool descriptions. E.g., what if sessionId is invalid? What if content is too short to generate questions? Responses should guide recovery: 'Session not found. Call generate_quiz() to create a new session.'
Resource endpoints (quiz://health, quiz://stats/overview) are partially visible in code excerpt but incomplete. If resources are exposed, they should have clear URIs, mime types, and descriptions. Current snippet cuts off, cannot verify completeness.