This SDK provides 11 tools with mixed quality. Most tools lack complete parameter descriptions and output schema documentation. Tool names follow verb_noun convention (get_weather, read, write, bash, edit, glob, grep, web_fetch), which is good. However, parameter descriptions are sparse or missing entirely. For example, 'bash' has no visible schema in the provided code. The built-in tools (read, write, edit, glob, grep, web_fetch, bash) are exported but their actual schemas are not shown in the source excerpt, making it impossible to verify parameter types and descriptions. Custom tool example (get_weather) shows proper schema definition with description, but the built-in tools lack visible documentation. Tool result truncation and ReadToolOutput tool show sophisticated infrastructure but descriptions are technical rather than LLM-optimized. ToolSearch tool has a detailed description but is complex and may confuse agents about when to use it.

• Add complete input schemas to all 8 built-in tools (bash, edit, gemini_image_qa, glob, grep, read, web_fetch, write). Each schema must include parameter types, descriptions, required fields, and constraints (e.g., max file size, allowed patterns).
• Expand tool descriptions from generic export statements to 50-200 character LLM-optimized descriptions. Example: 'read' → 'Read file contents as UTF-8 text. Supports files up to 10 MB. Returns full content or error if file not found or unreadable.'
• Add parameter descriptions for all tools. For 'path' params, specify: 'File or directory path (relative to working directory, no symlink traversal). Must exist.'
• Document output schemas for all tools. Example for 'read': returns {content: string, size_bytes: number, encoding: string} or error {code: string, message: string}.
• Add dry-run or confirmation patterns to destructive tools (bash, edit, write). Example: add 'dry_run: boolean' param to bash tool, or require explicit 'confirm: true' for write operations.