Single tool with minimal definition quality. Tool name 'send_infrared' is action-verb-based (good), but description is only 47 chars, below the 50-200 char baseline for LLM-optimized descriptions. Input schema present but lacks parameter descriptions entirely. No output schema documented. No error handling guidance. Tool performs a destructive/write operation (sends IR signal) but lacks confirmation or dry-run pattern. Missing critical parameter documentation for 'action' enum values.

• Expand tool description to 100-150 chars: 'Send an infrared signal via Tuya remote control to control smart devices. Use switch to toggle power, mode_15min to set 15-minute timer mode. Requires TUYA_DEVICE_ID and TUYA_REMOTE_ID environment variables.'
• Add descriptions to 'action' enum values in inputSchema: {type: 'string', description: 'Action to send: switch (toggle power on/off) or mode_15min (set 15-minute timer mode)', enum: ['switch', 'mode_15min'], default: 'switch'}
• Document output schema in tools/list response: add 'outputSchema: {type: 'object', properties: {success: {type: 'boolean', description: 'Whether signal was sent successfully'}, message: {type: 'string'}}, required: ['success']}'
• Add dry-run parameter: 'dry_run: {type: 'boolean', description: 'If true, validate action without sending signal', default: false}' to enable confirmation pattern
• Enhance error responses with recovery guidance: instead of '❌ Unknown action: X', return 'Invalid action. Valid options: switch (toggle power), mode_15min (set timer). Try again with one of these values.'