SkillsAdd

smithery/ngxtm

NestJS Observability

Structured logging (Pino) and Prometheus metrics.

Installation

$ npx skills add smithery/ngxtm --skill nestjs-observability
View on skills.sh ↗ Website ↗

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Also in this package

Other skills from smithery/ngxtm · top by installs.

npx skills add smithery/ngxtm
Zap Logging 0 Wire Dependency Injection 0 Validator 0 Tracing Observability 0 Tonic gRPC 0 React Security 0 Next.js Server Actions 0 Next.js Data Fetching 0 NestJS Security 0 NestJS Scheduling 0

Browse all from smithery/ngxtm

More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
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Skill metadata

Parsed from SKILL.md frontmatter.

More metadata
labels
["nestjs","logging","monitoring","pino"]
triggers
{"files":["main.ts","**\/*.module.ts"],"keywords":["nestjs-pino","Prometheus","Logger","reqId"]}

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,438 B
  • docs SUMMARY.md 77 B

History

  1. First recorded snapshot · 0 installs

SKILL.md

Observability Standards

Structured Logging

  • Standard: Use nestjs-pino for high-performance JSON logging.

- Why: Node's built-in console.log is blocking and unstructured.

  • Configuration:

- Redaction: Mandatory masking of sensitive fields (password, token, email). - Context: Always inject Logger and set the context (LoginService).

Tracing (Correlation)

  • Request ID: Every log line must include a reqId (Request ID).

- nestjs-pino handles this automatically using AsyncLocalStorage. - Propagation: Pass x-request-id to downstream microservices/database queries key to trace flows.

Metrics

  • Exposure: Use @willsoto/nestjs-prometheus to expose /metrics for Prometheus scraping.
  • Key Metrics:

1. httprequestdurationseconds (Histogram) 2. dbquerydurationseconds (Histogram) 3. memoryusagebytes (Gauge)

Health Checks

  • Terminus: Implement explicit logic for "Liveness" (I'm alive) vs "Readiness" (I can take traffic).

- DB Check: TypeOrmHealthIndicator / PrismaHealthIndicator. - Memory Check: Fail if Heap > 300MB (prevent crash loops).