Web Inspector MCP

import type { ToolClass, ToolMetadata, SessionConfig, ToolHandler } from './types.js'; import { createErrorResponse } from './types.js'; import { BrowserToolBase } from '../browser/base.js'; import { BROWSER_TOOL_CLASSES } from '../browser/register.js'; import { ConfirmOutputTool } from './confirm_output.js'; const toolClasses = new Map<string, ToolClass>(); const toolInstances = new Map<string, ToolHandler>(); const browserToolNames = new Set<string>(); function registerTool(toolClass: ToolClass): void { const metadata = toolClass.getMetadata(); toolClasses.set(metadata.name, toolClass); if (toolClass.prototype instanceof BrowserToolBase) { browserToolNames.add(metadata.name); } } export function registerTools(toolClassList: ToolClass[]): void { for (const toolClass of toolClassList) { registerTool(toolClass); } } export function getToolInstance(name: string, server: any): ToolHandler | null { const toolClass = toolClasses.get(name); if (!toolClass) { return null; } if (!toolInstances.has(name)) { toolInstances.set(name, new toolClass(server)); } return toolInstances.get(name)!; } export async function executeTool(name: string, args: any, context: any, server: any) { const instance = getToolInstance(name, server); if (!instance) { return createErrorResponse(`Unknown tool: ${name}`); } return await instance.execute(args, context); } export function createToolDefinitions(sessionConfig?: SessionConfig): ToolMetadata[] { return Array.from(toolClasses.values()).map(toolClass => toolClass.getMetadata(sessionConfig) ); } export function getBrowserToolNames(): string[] { return Array.from(browserToolNames); } export function isBrowserTool(name: string): boolean { return browserToolNames.has(name); } export function clearToolInstances(): void { toolInstances.clear(); } registerTools(BROWSER_TOOL_CLASSES); registerTools([ConfirmOutputTool]);