refactor: remove read-many-files tool from agent (#12796)

packages/cli/src/ui/commands/toolsCommand.ts

@@ -10,7 +10,6 @@ import {
   CommandKind,
 } from './types.js';
 import { MessageType, type HistoryItemToolsList } from '../types.js';
-import { READ_MANY_FILES_TOOL_NAME } from '@google/gemini-cli-core';
 
 export const toolsCommand: SlashCommand = {
   name: 'tools',
@@ -45,10 +44,7 @@ export const toolsCommand: SlashCommand = {
       type: MessageType.TOOLS_LIST,
       tools: geminiTools.map((tool) => ({
         name: tool.name,
-        displayName:
-          tool.name === READ_MANY_FILES_TOOL_NAME
-            ? `${tool.displayName} (Deprecated)`
-            : tool.displayName,
+        displayName: tool.displayName,
         description: tool.description,
       })),
       showDescriptions: useShowDescriptions,

packages/cli/src/ui/hooks/atCommandProcessor.ts

@@ -13,6 +13,7 @@ import {
   getErrorMessage,
   isNodeError,
   unescapePath,
+  ReadManyFilesTool,
 } from '@google/gemini-cli-core';
 import type { HistoryItem, IndividualToolCallDisplay } from '../types.js';
 import { ToolCallStatus } from '../types.js';
@@ -153,7 +154,7 @@ export async function handleAtCommand({
   };
 
   const toolRegistry = config.getToolRegistry();
-  const readManyFilesTool = toolRegistry.getTool('read_many_files');
+  const readManyFilesTool = new ReadManyFilesTool(config);
   const globTool = toolRegistry.getTool('glob');
 
   if (!readManyFilesTool) {

packages/core/src/config/config.test.ts

@@ -34,7 +34,6 @@ import { logRipgrepFallback } from '../telemetry/loggers.js';
 import { RipgrepFallbackEvent } from '../telemetry/types.js';
 import { ToolRegistry } from '../tools/tool-registry.js';
 import { DEFAULT_MODEL_CONFIGS } from './defaultModelConfigs.js';
-import { READ_MANY_FILES_TOOL_NAME } from '../tools/tool-names.js';
 
 vi.mock('fs', async (importOriginal) => {
   const actual = await importOriginal<typeof import('fs')>();
@@ -1041,40 +1040,6 @@ describe('Server Config (config.ts)', () => {
       expect(mockCoreEvents.emitFeedback).not.toHaveBeenCalled();
     });
   });
-
-  describe('checkDeprecatedTools', () => {
-    it('should emit a warning when a deprecated tool is in coreTools', async () => {
-      const params: ConfigParameters = {
-        ...baseParams,
-        coreTools: [READ_MANY_FILES_TOOL_NAME],
-      };
-      const config = new Config(params);
-      await config.initialize();
-
-      expect(mockCoreEvents.emitFeedback).toHaveBeenCalledWith(
-        'warning',
-        expect.stringContaining(
-          `The tool '${READ_MANY_FILES_TOOL_NAME}' (or 'ReadManyFilesTool') specified in 'tools.core' is deprecated`,
-        ),
-      );
-    });
-
-    it('should emit a warning when a deprecated tool is in allowedTools', async () => {
-      const params: ConfigParameters = {
-        ...baseParams,
-        allowedTools: ['ReadManyFilesTool'],
-      };
-      const config = new Config(params);
-      await config.initialize();
-
-      expect(mockCoreEvents.emitFeedback).toHaveBeenCalledWith(
-        'warning',
-        expect.stringContaining(
-          `The tool '${READ_MANY_FILES_TOOL_NAME}' (or 'ReadManyFilesTool') specified in 'tools.allowed' is deprecated`,
-        ),
-      );
-    });
-  });
 });
 
 describe('setApprovalMode with folder trust', () => {

packages/core/src/config/config.ts

@@ -28,7 +28,6 @@ import { SmartEditTool } from '../tools/smart-edit.js';
 import { ShellTool } from '../tools/shell.js';
 import { WriteFileTool } from '../tools/write-file.js';
 import { WebFetchTool } from '../tools/web-fetch.js';
-import { ReadManyFilesTool } from '../tools/read-many-files.js';
 import { MemoryTool, setGeminiMdFilename } from '../tools/memoryTool.js';
 import { WebSearchTool } from '../tools/web-search.js';
 import { GeminiClient } from '../core/client.js';
@@ -164,7 +163,6 @@ import {
   SimpleExtensionLoader,
 } from '../utils/extensionLoader.js';
 import { McpClientManager } from '../tools/mcp-client-manager.js';
-import { READ_MANY_FILES_TOOL_NAME } from '../tools/tool-names.js';
 
 export type { FileFilteringOptions };
 export {
@@ -632,32 +630,6 @@ export class Config {
     ]);
 
     await this.geminiClient.initialize();
-
-    this.checkDeprecatedTools();
-  }
-
-  private checkDeprecatedTools(): void {
-    const deprecatedTools = [
-      {
-        name: READ_MANY_FILES_TOOL_NAME,
-        alternateName: 'ReadManyFilesTool',
-      },
-    ];
-
-    const checkList = (list: string[] | undefined, listName: string) => {
-      if (!list) return;
-      for (const tool of deprecatedTools) {
-        if (list.includes(tool.name) || list.includes(tool.alternateName)) {
-          coreEvents.emitFeedback(
-            'warning',
-            `The tool '${tool.name}' (or '${tool.alternateName}') specified in '${listName}' is deprecated and will be removed in v0.16.0.`,
-          );
-        }
-      }
-    };
-
-    checkList(this.coreTools, 'tools.core');
-    checkList(this.allowedTools, 'tools.allowed');
   }
 
   getContentGenerator(): ContentGenerator {
@@ -1396,7 +1368,6 @@ export class Config {
     }
     registerCoreTool(WriteFileTool, this);
     registerCoreTool(WebFetchTool, this);
-    registerCoreTool(ReadManyFilesTool, this);
     registerCoreTool(ShellTool, this);
     registerCoreTool(MemoryTool);
     registerCoreTool(WebSearchTool, this);