@inso_web/els-mcp/dist/tools/baselineCompare.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: baseline_compare
 * Mapping: GET /analytics/baseline → analytics.routes.ts:358
 * Upstream Zod: BaselineSchema (windowDays ≥ 7, +фасет-фильтры).
 *
 * Возвращает baseline-метрики (p50/p95/mean), currentTotal и список аномалий
 * (точки выше baseline.p95). Upstream defaults windowDays=30, мы используем
 * default=7 как в spec, но допускаем 1..90 (upstream примет min=7, поэтому
 * клампим на стороне tool).
 */
export const baselineCompareInputShape = {
    windowDays: z.number().int().min(1).max(90).default(7),
    level: z.array(z.string().max(16)).optional(),
    serviceName: z.string().max(255).optional(),
};
export const baselineCompareToolDef = {
    name: 'baseline_compare',
    title: 'Compare current period vs historical baseline',
    description: 'Show how current error rate compares to historical baseline (rolling N days). Returns p50/p95 thresholds and "above baseline" anomalies.',
    inputShape: baselineCompareInputShape,
};
export async function handleBaselineCompare(args, client) {
    try {
        // Upstream BaselineSchema enforces windowDays >= 7; клампим прозрачно
        // и отмечаем в warnings.
        const effectiveWindow = Math.max(7, args.windowDays);
        const warnings = [];
        if (effectiveWindow !== args.windowDays) {
            warnings.push(`windowDays=${args.windowDays} clamped to ${effectiveWindow} (upstream min=7).`);
        }
        const params = {
            windowDays: effectiveWindow,
            levels: args.level?.join(','),
            serviceName: args.serviceName,
        };
        const { data, elsRequestId } = await client.baseline(params);
        const body = (data ?? {});
        const meta = {
            elsRequestId,
            cached: false,
            ttlSec: 300,
            redactionApplied: false,
            ...(warnings.length > 0 ? { warnings } : {}),
        };
        return {
            structuredContent: {
                windowDays: effectiveWindow,
                currentTotal: Number(body.currentTotal ?? body.total ?? 0),
                baseline: body.baseline ?? {},
                anomalies: Array.isArray(body.anomalies) ? body.anomalies : [],
                _meta: meta,
            },
            content: [
                {
                    type: 'text',
                    text: `Baseline window=${effectiveWindow}d, currentTotal=${Number(body.currentTotal ?? body.total ?? 0)}, anomalies=${Array.isArray(body.anomalies) ? body.anomalies.length : 0}.`,
                },
            ],
        };
    }
    catch (err) {
        if (err instanceof ToolError)
            return err.toToolResult();
        throw err;
    }
}
//# sourceMappingURL=baselineCompare.js.map