Method handle

src/ToolHandler.ts:177–305

(params: Record<string, unknown>)

  }

  async handle(params: Record<string, unknown>): Promise<CallToolResult> {
    if (this.disabledReason) {
      return {
        content: [
          {
            type: 'text',
            text: this.disabledReason,
          },
        ],
        isError: true,
      };
    }

    const unknownArgumentNames = this.unknownArgumentNames(params);
    if (unknownArgumentNames.length) {
      return {
        content: [
          {
            type: 'text',
            text: buildUnknownArgumentsMessage(
              this.tool.name,
              unknownArgumentNames,
              Object.keys(this.inputSchema),
            ),
          },
        ],
        isError: true,
      };
    }

    const guard = await this.toolMutex.acquire();
    const startTime = Date.now();
    let success = false;
    try {
      logger?.(
        `${this.tool.name} request: ${JSON.stringify(params, null, '  ')}`,
      );
      const context = await this.getContext();
      logger?.(`${this.tool.name} context: resolved`);
      await context.detectOpenDevToolsWindows();
      const response = this.serverArgs.slim
        ? new SlimMcpResponse(this.serverArgs)
        : new McpResponse(this.serverArgs);

      response.setRedactNetworkHeaders(this.serverArgs.redactNetworkHeaders);
      try {
        if (this.tool.verifyFilesSchema) {
          for (const key of this.tool.verifyFilesSchema) {
            const filePath = params[key];
            await context.validatePath(filePath as string);
          }
        }
        if (isPageScopedTool(this.tool)) {
          const pageId =
            typeof params.pageId === 'number' ? params.pageId : undefined;
          const page =
            this.serverArgs.experimentalPageIdRouting &&
            pageId !== undefined &&