5 files changed, 111 insertions, 2 deletions
diff --git a/packages/server/src/config/config.ts b/packages/server/src/config/config.ts
index fad219b5..e842cd29 100644
--- a/packages/server/src/config/config.ts
+++ b/packages/server/src/config/config.ts
@@ -8,6 +8,15 @@ import * as dotenv from 'dotenv';
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 import process from 'node:process';
+import { ToolRegistry } from '../tools/tool-registry.js';
+import { LSTool } from '../tools/ls.js';
+import { ReadFileTool } from '../tools/read-file.js';
+import { GrepTool } from '../tools/grep.js';
+import { GlobTool } from '../tools/glob.js';
+import { EditTool } from '../tools/edit.js';
+import { TerminalTool } from '../tools/terminal.js';
+import { WriteFileTool } from '../tools/write-file.js';
+import { WebFetchTool } from '../tools/web-fetch.js';
 
 const DEFAULT_PASSTHROUGH_COMMANDS = ['ls', 'git', 'npm'];
 
@@ -15,6 +24,7 @@ export class Config {
   private apiKey: string;
   private model: string;
   private targetDir: string;
+  private toolRegistry: ToolRegistry;
   private debugMode: boolean;
   private passthroughCommands: string[];
 
@@ -31,6 +41,8 @@ export class Config {
     this.debugMode = debugMode;
     this.passthroughCommands =
       passthroughCommands || DEFAULT_PASSTHROUGH_COMMANDS;
+
+    this.toolRegistry = createToolRegistry(this);
   }
 
   getApiKey(): string {
@@ -45,6 +57,10 @@ export class Config {
     return this.targetDir;
   }
 
+  getToolRegistry(): ToolRegistry {
+    return this.toolRegistry;
+  }
+
   getDebugMode(): boolean {
     return this.debugMode;
   }
@@ -92,3 +108,23 @@ export function createServerConfig(
     passthroughCommands,
   );
 }
+
+function createToolRegistry(config: Config): ToolRegistry {
+  const registry = new ToolRegistry();
+  const targetDir = config.getTargetDir();
+
+  const tools = [
+    new LSTool(targetDir),
+    new ReadFileTool(targetDir),
+    new GrepTool(targetDir),
+    new GlobTool(targetDir),
+    new EditTool(targetDir),
+    new TerminalTool(targetDir, config),
+    new WriteFileTool(targetDir),
+    new WebFetchTool(), // Note: WebFetchTool takes no arguments
+  ];
+  for (const tool of tools) {
+    registry.registerTool(tool);
+  }
+  return registry;
+}
diff --git a/packages/server/src/index.ts b/packages/server/src/index.ts
index 258ec795..2cbfbe6b 100644
--- a/packages/server/src/index.ts
+++ b/packages/server/src/index.ts
@@ -22,6 +22,7 @@ export * from './utils/getFolderStructure.js';
 
 // Export base tool definitions
 export * from './tools/tools.js';
+export * from './tools/tool-registry.js';
 
 // Export specific tool logic
 export * from './tools/read-file.js';
diff --git a/packages/server/src/tools/terminal.ts b/packages/server/src/tools/terminal.ts
index eab170ab..bd002c52 100644
--- a/packages/server/src/tools/terminal.ts
+++ b/packages/server/src/tools/terminal.ts
@@ -17,8 +17,8 @@ import {
   SchemaValidator,
   getErrorMessage,
   isNodeError,
-  Config,
 } from '@gemini-code/server';
+import { Config } from '../config/config.js';
 import {
   BaseTool,
   ToolCallConfirmationDetails,
diff --git a/packages/server/src/tools/tool-registry.ts b/packages/server/src/tools/tool-registry.ts
new file mode 100644
index 00000000..387a7d29
--- /dev/null
+++ b/packages/server/src/tools/tool-registry.ts
@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { ToolListUnion, FunctionDeclaration } from '@google/genai';
+import { Tool } from './tools.js';
+
+export class ToolRegistry {
+  private tools: Map<string, Tool> = new Map();
+
+  /**
+   * Registers a tool definition.
+   * @param tool - The tool object containing schema and execution logic.
+   */
+  registerTool(tool: Tool): void {
+    if (this.tools.has(tool.name)) {
+      // Decide on behavior: throw error, log warning, or allow overwrite
+      console.warn(
+        `Tool with name "${tool.name}" is already registered. Overwriting.`,
+      );
+    }
+    this.tools.set(tool.name, tool);
+  }
+
+  /**
+   * Retrieves the list of tool schemas (FunctionDeclaration array).
+   * Extracts the declarations from the ToolListUnion structure.
+   * @returns An array of FunctionDeclarations.
+   */
+  getFunctionDeclarations(): FunctionDeclaration[] {
+    const declarations: FunctionDeclaration[] = [];
+    this.tools.forEach((tool) => {
+      declarations.push(tool.schema);
+    });
+    return declarations;
+  }
+
+  /**
+   * Deprecated/Internal? Retrieves schemas in the ToolListUnion format.
+   * Kept for reference, prefer getFunctionDeclarations.
+   */
+  getToolSchemas(): ToolListUnion {
+    const declarations = this.getFunctionDeclarations();
+    if (declarations.length === 0) {
+      return [];
+    }
+    return [{ functionDeclarations: declarations }];
+  }
+
+  /**
+   * Returns an array of all registered tool instances.
+   */
+  getAllTools(): Tool[] {
+    return Array.from(this.tools.values());
+  }
+
+  /**
+   * Optional: Get a list of registered tool names.
+   */
+  listAvailableTools(): string[] {
+    return Array.from(this.tools.keys());
+  }
+
+  /**
+   * Get the definition of a specific tool.
+   */
+  getTool(name: string): Tool | undefined {
+    return this.tools.get(name);
+  }
+}
diff --git a/packages/server/src/utils/BackgroundTerminalAnalyzer.ts b/packages/server/src/utils/BackgroundTerminalAnalyzer.ts
index 5ff29997..8e56398c 100644
--- a/packages/server/src/utils/BackgroundTerminalAnalyzer.ts
+++ b/packages/server/src/utils/BackgroundTerminalAnalyzer.ts
@@ -6,11 +6,11 @@
 
 import { Content, SchemaUnion, Type } from '@google/genai';
 import {
-  Config,
   getErrorMessage,
   isNodeError,
   GeminiClient,
 } from '@gemini-code/server';
+import { Config } from '../config/config.js';
 import { promises as fs } from 'fs';
 import { exec as _exec } from 'child_process';
 import { promisify } from 'util';