Four tools with basic schemas and descriptions, but significant gaps in parameter documentation and error guidance. All tools have descriptions (10-50 chars baseline met), and input schemas are present with type definitions. However, parameter descriptions are minimal or absent, output schemas are undocumented, and error handling lacks recovery guidance. The filesystem tools show good security (path traversal prevention) but weak LLM-facing documentation. Web search tool lacks result pagination and field documentation. Average per-tool score: 58.

• Add parameter descriptions with format constraints: 'subdirectory: Optional subdirectory path (relative, no .. or symlinks allowed). Defaults to sandbox root.'
• Document output schemas as structured objects. E.g., list_files returns {entries: string[], total: int, is_empty: bool}. read_file returns {content: string, size_bytes: int, encoding: string}.
• Enhance error messages with recovery hints: 'File not found: notes.txt. Call list_files() to see available files in the sandbox.'
• Add pagination to web_search: accept 'page' parameter (default 1), document max_results limit (5-50), return {results: [{title, url, snippet}], total_available: int, has_more: bool}.
• Clarify write_file behavior: 'Overwrites existing files. Idempotent, calling twice with same content is safe. Returns {path, bytes_written, created: bool}.' Add dry_run parameter for confirmation pattern.