Two tools with minimal descriptions (both under 100 chars) and incomplete parameter documentation. Tool names lack action verbs (inspect, plan-replace are weak). Input schemas present but parameters lack descriptions. No output schema documented. No error handling guidance. No tool annotations. Naming violates verb_noun convention, 'inspect' and 'plan-replace' are vague; 'get_pptx_text_summary' and 'preview_text_replacement' would be clearer. Both tools are read-only but lack idempotentHint annotations.

• Rename 'inspect' to 'get_pptx_text_summary' and 'plan-replace' to 'preview_text_replacement' to follow verb_noun convention and clarify intent.
• Add descriptions to all parameters: 'pptx' → 'Path to a .pptx file (absolute or relative)', 'format' → 'Output format: json returns structured slide data; text returns human-readable summary', 'find' → 'Exact text fragment to search for (case-sensitive)', 'replace' → 'Replacement text (can be empty to delete)'.
• Document output schemas in tool descriptions: 'Returns {file_name, file_path, slide_count, slides: [{slide_number, text_count, text_placeholders: [{shape_id, name, text}]}]}' for inspect; 'Returns {operation, file_name, file_path, find, replace, mutates_file, match_count, changes: [{slide_number, shape_id, shape_name, current_text, proposed_text, xml_path}]}' for plan-replace.
• Add error handling guidance: 'If file not found, verify the path is correct and the file exists. If XML is malformed, the PPTX may be corrupted, try opening it in PowerPoint to repair.'
• Add tool annotations: set readOnlyHint=true and idempotentHint=true on both tools to signal they are safe to retry and do not modify state.