This MCP server has severe definition quality gaps. Only 2 of 10 tools (list_tables, query) have visible schemas in the source code. The remaining 8 tools (read_file, write_file, edit_file, grep, glob, bash, list_files, ask_user) are referenced but their definitions are not present in the provided source. Of the 2 visible tools, both have minimal descriptions (under 50 chars) and sparse parameter documentation. The bash tool is particularly dangerous, it accepts arbitrary shell commands with no input validation, no description visible, and no error guidance. No tool has documented output schemas. Error handling is minimal (basic try-catch with generic error messages). No tool annotations (readOnlyHint, destructiveHint, idempotentHint) are present despite clear risk levels (WRITE, IRREVERSIBLE operations).

• Add complete tool definitions for all 10 tools in the MCP server source. Include inputSchema with typed properties and descriptions for every parameter. Reference: pattern:tool.
• Add tool annotations: mark read_file, list_files, list_tables, query, grep, glob as readOnlyHint=true; mark write_file, edit_file as destructiveHint=true; mark bash as destructiveHint=true and idempotentHint=false.
• Expand tool descriptions to 50-200 characters. Example: 'query' → 'Execute a read-only SELECT query against the SQLite database. Returns results as JSON. Only SELECT statements are allowed; INSERT, UPDATE, DELETE are rejected.'
• Document output schemas for each tool. Example for list_tables: {type: 'object', properties: {tables: {type: 'array', items: {type: 'string'}, description: 'List of table names'}}}.
• Add input validation and error guidance. For bash: validate against a whitelist of safe commands or reject dangerous patterns (rm, dd, etc.). Return actionable errors: 'Command rejected: rm is not allowed. Use delete_file() instead.'