Skill

nightly-improve-tests

Nightly direct-execution skill for improving test quality. In nightly mode, focuses on tests for recently changed files. In general mode, scans all tests for the weakest ones. Commits and creates a PR.

Install

npx claudepluginhub codyswanngt/lisa --plugin lisa

Tool Access

This skill is limited to using the following tools:

EditMultiEditWriteReadGlobGrepBash

Preview

The caller provides:

SKILL.md

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Stats

Parent Repo Stars1

Parent Repo Forks2

Last CommitApr 6, 2026

Actions

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Nightly Test Quality Improvement

The caller provides:

Mode: "nightly" or "general"

Changed files (nightly mode only): list of source files changed in the last 24 hours

Nightly Mode

For each changed source file, find its corresponding test file(s)

Analyze those test files for: missing edge cases, weak assertions (toBeTruthy instead of specific values), missing error path coverage, tests that test implementation rather than behavior

Improve the test files with the most impactful changes

Run the full test suite to verify all tests pass

Commit changes with conventional commit messages

Create a PR with gh pr create summarizing what was improved and why

General Mode

Scan the test files to find weak, brittle, or poorly-written tests

Look for: missing edge cases, weak assertions (toBeTruthy instead of specific values), missing error path coverage, tests that test implementation rather than behavior

Improve 3-5 test files with the most impactful changes

Run the full test suite to verify all tests pass

Commit changes with conventional commit messages

Create a PR with gh pr create summarizing what was improved and why

Nightly Test Quality Improvement

The caller provides:

Mode: "nightly" or "general"
Changed files (nightly mode only): list of source files changed in the last 24 hours

Nightly Mode

For each changed source file, find its corresponding test file(s)
Analyze those test files for: missing edge cases, weak assertions (toBeTruthy instead of specific values), missing error path coverage, tests that test implementation rather than behavior
Improve the test files with the most impactful changes
Run the full test suite to verify all tests pass
Commit changes with conventional commit messages
Create a PR with gh pr create summarizing what was improved and why

General Mode

Scan the test files to find weak, brittle, or poorly-written tests
Look for: missing edge cases, weak assertions (toBeTruthy instead of specific values), missing error path coverage, tests that test implementation rather than behavior
Improve 3-5 test files with the most impactful changes
Run the full test suite to verify all tests pass
Commit changes with conventional commit messages
Create a PR with gh pr create summarizing what was improved and why