evlog.dev

Review code for logging patterns and suggest evlog adoption. Optionally use the evlog CLI, shipped with the evlog package (evlog init to wire evlog, evlog agents to write the conventions into AGENTS.md, evlog map to score entry-point coverage, --baseline to gate regressions in CI) on Nuxt, Nitro, Next.js, TanStack Start, Hono, Express, and Fastify. Guides setup on those plus SvelteKit, React Router, NestJS, Express, Fastify, Elysia, oRPC, Effect, Cloudflare Workers, AWS Lambda, Astro, and standalone TypeScript. Detects console.log spam, unstructured errors, and missing context. Covers wide events, structured errors, drain adapters (Axiom, OTLP, HyperDX, Sazabi, PostHog, Sentry, Better Stack, Datadog, Loki, ClickHouse, NuxtHub, Memory), sampling, enrichers, and AI SDK integration.

Analyze application logs from the .evlog/logs/ directory. Use when debugging errors, investigating slow requests, understanding request patterns, or answering questions about application behavior. Reads structured NDJSON wide events written by evlog's file system drain.

Build or review audit trails in TypeScript/JavaScript apps using evlog (pipelines, typed actions, denials, retention, compliance-style reviews). For application code, not for extending the evlog package.