# Test Gap

> Surface changed git diff lines that are not covered by tests

- Skill: `hashgraph-online/test-gap` (Agent Skill)
- Install (CLI): `npx skillmds@latest add hashgraph-online/test-gap`
- Raw SKILL.md: https://api.skillmd.com/api/skills/hashgraph-online/test-gap/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: hashgraph-online (https://skillmd.com/u/hashgraph-online)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/hashgraph-online/test-gap

---



Run `python3 scripts/gap.py "$@"` from the test-gap plugin root.

Purpose: compare the current git diff against the selected base branch, parse the selected or auto-detected coverage report, and report changed lines that are not covered by tests.

Inputs: optional `--base`, `--report`, and `--format` arguments supplied by the user.

Boundaries: do not edit files, do not install packages, do not use the network, and do not hide failures.

Output contract: return either the helper output or a concise failure summary with command, exit status, and next step.

Verification contract: accept success only when the helper exits 0 and prints JSON or markdown matching the requested format.

---

**Source:** [`hashgraph-online/awesome-codex-plugins`](https://github.com/hashgraph-online/awesome-codex-plugins) → `plugins/mturac/test-gap/skills/test-gap/SKILL.md`