/**
 * Risk Classifier for Matimo tools.
 *
 * Pure function that classifies a tool's risk level based on its execution
 * type, HTTP method, and approval requirements. No schema changes needed.
 */
import type { ToolDefinition } from '../core/schema.js';
import type { RiskLevel } from './types.js';
/**
 * Classify the risk level of a tool based on its definition.
 *
 * - critical: arbitrary code execution (type: function)
 * - high: shell execution (type: command), HTTP DELETE, or explicit requires_approval
 * - medium: HTTP POST/PUT/PATCH (write operations)
 * - low: HTTP GET, read-only tools
 */
export declare function classifyRisk(tool: ToolDefinition): RiskLevel;
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