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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import {
type CommandContext,
type SlashCommand,
CommandKind,
} from './types.js';
import { MessageType } from '../types.js';
export const toolsCommand: SlashCommand = {
name: 'tools',
description: 'list available Gemini CLI tools',
kind: CommandKind.BUILT_IN,
action: async (context: CommandContext, args?: string): Promise<void> => {
const subCommand = args?.trim();
// Default to NOT showing descriptions. The user must opt in with an argument.
let useShowDescriptions = false;
if (subCommand === 'desc' || subCommand === 'descriptions') {
useShowDescriptions = true;
}
const toolRegistry = context.services.config?.getToolRegistry();
if (!toolRegistry) {
context.ui.addItem(
{
type: MessageType.ERROR,
text: 'Could not retrieve tool registry.',
},
Date.now(),
);
return;
}
const tools = toolRegistry.getAllTools();
// Filter out MCP tools by checking for the absence of a serverName property
const geminiTools = tools.filter((tool) => !('serverName' in tool));
let message = 'Available Gemini CLI tools:\n\n';
if (geminiTools.length > 0) {
geminiTools.forEach((tool) => {
if (useShowDescriptions && tool.description) {
message += ` - \u001b[36m${tool.displayName} (${tool.name})\u001b[0m:\n`;
const greenColor = '\u001b[32m';
const resetColor = '\u001b[0m';
// Handle multi-line descriptions
const descLines = tool.description.trim().split('\n');
for (const descLine of descLines) {
message += ` ${greenColor}${descLine}${resetColor}\n`;
}
} else {
message += ` - \u001b[36m${tool.displayName}\u001b[0m\n`;
}
});
} else {
message += ' No tools available\n';
}
message += '\n';
message += '\u001b[0m';
context.ui.addItem({ type: MessageType.INFO, text: message }, Date.now());
},
};
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