@inso_web/els-mcp/dist/tools/topErrorMessages.js

MCP-сервер поверх INSO Error Logs Service. Read-only tools (search, analytics, fingerprinting, correlations) для подключения Claude Desktop/Code и ChatGPT к логам ошибок. Streamable HTTP transport + stdio для npx-запуска.

import { z } from 'zod';
import { ToolError } from '../lib/errors.js';
/**
 * Tool: top_error_messages
 * Mapping: GET /analytics/top-messages → analytics.routes.ts:302
 * Upstream Zod: TopMessagesSchema (take, from, to, +filters).
 *
 * Defaults: take=20.
 */
export const topErrorMessagesInputShape = {
    from: z.string().optional(),
    to: z.string().optional(),
    level: z.array(z.string().max(16)).optional(),
    serviceName: z.array(z.string().max(255)).optional(),
    take: z.number().int().min(1).max(100).default(20),
    dedupeBy: z.enum(['message', 'fingerprint']).default('fingerprint'),
};
export const topErrorMessagesToolDef = {
    name: 'top_error_messages',
    title: 'Top error messages by occurrence',
    description: [
        'Returns most-frequent error messages (deduplicated) for a given period.',
        '',
        'WHEN TO USE:',
        '  - Onboarding a new service - answer "what hurts most right now?".',
        '  - Weekly / daily reports - top offenders to prioritise fixes.',
        '  - Pre-merge sanity check - did this branch add any new top-message?',
    ].join('\n'),
    inputShape: topErrorMessagesInputShape,
};
export async function handleTopErrorMessages(args, client) {
    try {
        const params = {
            take: args.take,
            from: args.from,
            to: args.to,
            levels: args.level?.join(','),
            serviceName: args.serviceName?.join(','),
        };
        const { data, elsRequestId } = await client.topErrorMessages(params);
        const meta = {
            elsRequestId,
            cached: false,
            ttlSec: 60,
            redactionApplied: false,
        };
        const items = Array.isArray(data?.data) ? data.data : [];
        return {
            structuredContent: {
                take: args.take,
                data: items,
                dedupeBy: args.dedupeBy,
                nextCursor: null,
                _meta: meta,
            },
            content: [
                {
                    type: 'text',
                    text: `Top ${items.length} error message groups (dedupeBy=${args.dedupeBy}).`,
                },
            ],
        };
    }
    catch (err) {
        if (err instanceof ToolError)
            return err.toToolResult();
        throw err;
    }
}
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