Single tool 'qwen_max' has a complete input schema with proper types and constraints (temperature 0-2, max_tokens default 8192). Description is present but generic (28 chars: 'Generate text using Qwen Max model'). Parameter descriptions are adequate but lack context on when/why to use the tool. No output schema documented. No error recovery guidance. Tool name lacks action verb prefix (should be 'generate_text_qwen_max' or similar). No tool annotations (readOnlyHint, destructiveHint, idempotentHint). Composition is minimal, single tool with no chaining support.

• Rename tool to 'generate_text_qwen' or 'complete_prompt_qwen' to start with action verb and clarify intent.
• Expand description to 80-150 chars: 'Generate text completions using Qwen Max LLM. Use for content generation, summarization, and question answering. Returns plain text response.'
• Document output schema in code: {type: 'object', properties: {text: {type: 'string', description: 'Generated text response'}}, required: ['text']}
• Enhance error messages with recovery guidance: 'API rate limit exceeded, wait 60s before retry' or 'Invalid DASHSCOPE_API_KEY, verify environment variable is set.'
• Add tool annotations in ListToolsRequestSchema response: {name: 'qwen_max', ..., inputSchema: {...}, readOnlyHint: true, idempotentHint: true}