Logging Patterns

by decebals

Logging Patterns is a Quality skill for Claude Code, published by decebals in claude-code-java.

714 stars142 forkson decebals/claude-code-javaAdded 2026/08/23+1% in starsRepository updated 2026/02/08

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ai-assisted-developmentclaude-codeclaude-code-skillsdeveloper-toolsjava

Install in seconds

Install Logging Patterns

Copy Logging Patterns into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/decebals/claude-code-java/tree/main/.claude/skills/logging-patterns ~/.claude/skills/logging-patterns

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/decebals/claude-code-java.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .claude/skills/logging-patterns/SKILL.md in decebals/claude-code-java
Installs to: ~/.claude/skills/logging-patterns
Collection: One of 18 skills cataloged from this repository
Category: Quality — 1354 skills

What Logging Patterns does

Logging Patterns shows how to add structured SLF4J logging in Java, including JSON output and MDC request tracing. Use it when debugging application flow or making logs easier for Claude Code to analyze.

Logging Patterns is cataloged under Quality on DirSkills. Logging Patterns comes from a repository tagged ai-assisted-development, claude-code, claude-code-skills, developer-tools and java.

Documentation

README

Excerpt

Logging Patterns Skill

Effective logging for Java applications with focus on structured, AI-parsable formats.

When to Use

User says "add logging" / "improve logs" / "debug this"
Analyzing application flow from logs
Setting up structured logging (JSON)
Request tracing with correlation IDs
AI/Claude Code needs to analyze application behavior

AI-Friendly Logging

Key insight: JSON logs are better for AI analysis - faster parsing, fewer tokens, direct field access.

Why JSON for AI/Claude Code?

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Logging Patterns

What else does decebals publish alongside Logging Patterns?
Logging Patterns is one of 18 skills that DirSkills catalogs from decebals/claude-code-java, the repository it ships in. Its siblings there include API Contract Review, Architecture Review and Changelog Generator. Each one is a separate skill with its own page in this directory, installs the same way Logging Patterns does, and is maintained by decebals in that same repository. The rest of the collection is listed on the decebals/claude-code-java page.
How does Logging Patterns compare to other Quality skills?
Logging Patterns ranks #1036 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Logging Patterns against them. Open each page to compare what they document and how they install.