fix-file
Fixes a single file by applying minimal, safe edits while running linters and tests to verify the change.
Install
mkdir -p .claude/skills/fix-file && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/18441" && unzip -o skill.zip -d .claude/skills/fix-file && rm skill.zipInstalls to .claude/skills/fix-file
Activation
This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.
Use when you need to fix one file end-to-end: lint, test impact, and apply minimal safe changes for this project.Key capabilities
- →Identify failing behavior and minimal edit scope
- →Apply focused changes without unrelated refactors
- →Run targeted tests first, then broader checks
- →Report exactly what changed and why
- →Enforce project guardrails like no suppression patterns
- →Preserve atomic-save semantics
How it works
The skill identifies failing behavior, applies minimal changes to a target file, and validates these changes through targeted tests and broader checks.
Inputs & outputs
When to use fix-file
- →Fixing a specific linting error in a single file
- →Correcting a isolated bug detected by a unit test
- →Applying formatting changes that pass CI checks
- →Executing targeted tests after a minor logic patch
About this skill
name: fix-file description: Apply a focused, minimal-diff fix to a target file end-to-end, validating complexity, zero suppressions, linters, and targeted tests.
Fix File Skill
Goal
Apply the smallest safe fix to a target file and validate it against project invariants.
Precision Workflow
- Identify the failing behavior and the minimal edit scope.
- Apply focused changes without unrelated refactors.
- Ensure complexity remains < 10 and no suppressions are introduced.
- Run targeted linters, type checks, and unit tests.
- Report exactly what changed and why.
Validation Commands
poetry run python tests/tools/check_no_suppressions.py
poetry run ruff check <target_file_path>
poetry run ruff format --check <target_file_path>
poetry run flake8 <target_file_path>
poetry run pylint <target_file_path>
poetry run pytest <target_test_path>
.\run_local_pipeline.ps1
When not to use it
- →When changes are not minimal
- →When changes involve unrelated refactors
- →When adding suppression patterns
Limitations
- →The skill does not allow adding suppression patterns
- →The skill requires preserving atomic-save semantics
- →The skill enforces keeping complexity below 10
How it compares
This workflow focuses on minimal, validated changes to a single file, unlike a manual process that might introduce broader, unvalidated modifications.
Compared to similar skills
fix-file side by side with the closest alternatives in the catalog.
| Skill | Installs | Updated | Safety | Difficulty |
|---|---|---|---|---|
| fix-file (this skill) | 0 | 1mo | No flags | Intermediate |
| python-testing-patterns | 77 | 3mo | Review | Intermediate |
| clojure-write | 16 | 3mo | No flags | Intermediate |
| python-playground | 2 | 5mo | Review | Beginner |
Try saying
Example prompts that trigger this skill in your AI assistant.
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