diff --git a/src/tools/builtin/index.ts b/src/tools/builtin/index.ts
new file mode 100644
index 0000000..00895f5
--- /dev/null
+++ b/src/tools/builtin/index.ts
@@ -0,0 +1,23 @@
+export { shellExecTool } from './shell.js';
+export { fileReadTool } from './file-read.js';
+export { fileWriteTool } from './file-write.js';
+export { fileEditTool } from './file-edit.js';
+export { fileListTool } from './file-list.js';
+export { webFetchTool } from './web-fetch.js';
+
+import type { Tool } from '../types.js';
+import { shellExecTool } from './shell.js';
+import { fileReadTool } from './file-read.js';
+import { fileWriteTool } from './file-write.js';
+import { fileEditTool } from './file-edit.js';
+import { fileListTool } from './file-list.js';
+import { webFetchTool } from './web-fetch.js';
+
+export const allBuiltinTools: Tool[] = [
+  shellExecTool,
+  fileReadTool,
+  fileWriteTool,
+  fileEditTool,
+  fileListTool,
+  webFetchTool,
+];
diff --git a/src/tools/index.ts b/src/tools/index.ts
new file mode 100644
index 0000000..e7667fd
--- /dev/null
+++ b/src/tools/index.ts
@@ -0,0 +1,12 @@
+export type { Tool, ToolCall, ToolResult, ToolInputSchema, ToolUseBlock, ToolResultBlock, ToolUseMessage, ToolResultMessage } from './types.js';
+export { ToolRegistry } from './registry.js';
+export type { AnthropicToolDef, OpenAIToolDef } from './registry.js';
+export { ToolExecutor } from './executor.js';
+export type { ToolExecutorConfig } from './executor.js';
+export { allBuiltinTools } from './builtin/index.js';
+export { shellExecTool } from './builtin/shell.js';
+export { fileReadTool } from './builtin/file-read.js';
+export { fileWriteTool } from './builtin/file-write.js';
+export { fileEditTool } from './builtin/file-edit.js';
+export { fileListTool } from './builtin/file-list.js';
+export { webFetchTool } from './builtin/web-fetch.js';