Can I focus on specific parts of my application?

Yes, by using the LOG_KEY environment variable with comma-separated values, you can filter logs to only show specific components or modules.

Does this logger affect production performance?

No, the BreakdownLogger is designed to only output data when called from test files; it remains silent and adds no overhead in production code.

Why does the skill delegate to a sub-agent?

Delegation saves the main agent's context window by offloading the tasks of editing multiple files and running shell commands to specialized sub-agents.

How do I control the amount of log output?

You can use the LOG_LEVEL (debug, info, warn, error) and LOG_LENGTH (S, L, W) environment variables to filter and truncate messages during test execution.

What permissions are required for this skill?

The logger requires the --allow-env permission in Deno to read the configuration environment variables during test runs.

Test Investigation & Debugging

Name: Test Investigation & Debugging
Author: tettuan

bytettuan

0•

安全与测试

Simplifies test debugging by providing a specialized logger that only activates during test execution to trace failures without polluting production code.

The breakdown-logger skill integrates a dedicated debugging utility into Claude Code, specifically designed for Deno test environments. It allows Claude to investigate failing tests by inserting context-aware loggers that only trigger within test files (*_test.ts or *.test.ts). By leveraging environment variables like LOG_LEVEL and LOG_KEY, developers and AI agents can precisely filter output to focus on specific modules or execution paths. The skill is optimized for efficiency, delegating the heavy lifting of code modification and test execution to sub-agents to preserve the main conversation context while providing deep visibility into complex test behaviors.

主要功能

01Key-based filtering to isolate logs from specific application modules

020 GitHub stars

03Context-aware logging that automatically disables in production environments

04Built-in safety checks to detect and prevent misuse in non-test files

05Automated sub-agent delegation for bulk test file modification and debugging

06Granular log control via LOG_LEVEL, LOG_LENGTH, and LOG_KEY environment variables

使用场景

01Debugging specific modules by filtering logs using component-based keys

02Tracing complex execution flows in failing unit or integration tests

03Automating the insertion of detailed instrumentation into large test suites

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add tettuan/climpt breakdown-logger

For use in Claude.ai and ChatGPT

Download Skill