Control Tower Lite has 11 tools with complete input schemas and descriptions, but quality is uneven. Naming follows verb_noun convention (join, send, check, create_task, claim_task, complete_task, lock_file, unlock_file, set_memory, get_memory, list_tasks), good. Descriptions are present (avg ~120 chars) and explain WHAT and WHEN, meeting baseline. However, output schemas are entirely undocumented, no tool specifies what fields it returns, forcing LLMs to guess. Parameters lack depth: 'role' in join has enum but no guidance on architect vs worker trade-offs; 'blocked_by' in create_task accepts comma-separated IDs but no validation rules; 'category' in send has enum but no explanation of routing behavior. Error handling is absent, no guidance on retryability, user-fixable vs fatal errors, or recovery paths. Security concerns: no mention of token handling, rate limits stated (10 msg/min) but not enforced in schema. Composition is reasonable, tools chain logically (join → create_task → claim_task → complete_task), but missing batch operations and pagination for list_tasks.

• Document output schema for every tool. E.g., join returns {token: string, peers: [{peer_id: string, role: string}]}. Use JSON Schema format in tool definition or inline in description.
• Add pagination to list_tasks: accept limit (1-100, default 20) and offset/cursor parameters; return {tasks: [...], total: int, next_cursor?: string}.
• Enhance error handling: for each tool, document which errors are retryable (e.g., 'Task already claimed, try list_tasks to find pending tasks') vs fatal (e.g., 'Architect role required').
• Add validation constraints to parameter descriptions: 'blocked_by: comma-separated task IDs (e.g., "1,3,5"); each ID must be an integer > 0' and 'artifacts: 10-500 character summary of work completed'.
• Implement idempotency keys or document idempotency guarantees. E.g., complete_task with same task_id + artifacts should be safe to retry without duplicate completion.