@edjl/gcloud-mcp/build/tools/pubsub/topics-list.js

Google Cloud Platform tools for MCP (Model Context Protocol)

import { z } from 'zod';
import { executeGCloudCommand } from '../../utils/gcloud.js';
const inputSchema = z.object({
    project: z.string().optional().describe('Project ID (uses current project if not specified)'),
    filter: z.string().optional().describe('Filter expression for topics'),
    limit: z.number().optional().default(100).describe('Maximum number of topics to return'),
});
const gcloudPubsubTopicsListTool = {
    name: 'pubsub_topics_list',
    description: 'List Pub/Sub topics',
    category: 'pubsub',
    subcategory: 'topics',
    version: '1.0.0',
    inputSchema,
    handler: async (input) => {
        const params = inputSchema.parse(input);
        let command = 'gcloud pubsub topics list';
        if (params.project) {
            command += ` --project="${params.project}"`;
        }
        if (params.filter) {
            command += ` --filter="${params.filter}"`;
        }
        command += ` --limit=${params.limit}`;
        command += ' --format=json';
        const result = await executeGCloudCommand(command);
        if (result.exitCode !== 0) {
            return {
                content: [{
                        type: 'text',
                        text: `Error listing Pub/Sub topics: ${result.stderr}`
                    }],
                isError: true
            };
        }
        try {
            const topics = JSON.parse(result.stdout);
            if (!Array.isArray(topics) || topics.length === 0) {
                return {
                    content: [{
                            type: 'text',
                            text: 'No Pub/Sub topics found'
                        }]
                };
            }
            let output = `Pub/Sub Topics (${topics.length} found):\n\n`;
            for (const topic of topics) {
                const topicName = topic.name.split('/').pop();
                output += `Topic: ${topicName}\n`;
                output += `  Full Name: ${topic.name}\n`;
                if (topic.labels && Object.keys(topic.labels).length > 0) {
                    const labels = Object.entries(topic.labels).map(([k, v]) => `${k}=${v}`).join(', ');
                    output += `  Labels: ${labels}\n`;
                }
                if (topic.messageStoragePolicy?.allowedPersistenceRegions) {
                    output += `  Storage Regions: ${topic.messageStoragePolicy.allowedPersistenceRegions.join(', ')}\n`;
                }
                if (topic.kmsKeyName) {
                    output += `  Encryption: Customer-managed (CMEK)\n`;
                }
                if (topic.messageRetentionDuration) {
                    output += `  Message Retention: ${topic.messageRetentionDuration}\n`;
                }
                output += '\n';
            }
            return {
                content: [{
                        type: 'text',
                        text: output.trim()
                    }]
            };
        }
        catch (error) {
            return {
                content: [{
                        type: 'text',
                        text: `Error parsing Pub/Sub topics data: ${error instanceof Error ? error.message : String(error)}`
                    }],
                isError: true
            };
        }
    }
};
export default gcloudPubsubTopicsListTool;
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