legacy-spike

100 / 100 · Low risk

Fine to try.

By genkovich/agentic-engineering-course-public (GitHub) · other · 15 stars · scanned at commit 2dc9bdf

Use when starting Step 1 of legacy refactoring protocol — runs a 2-4 hour feasibility spike for one Bounded Context. Triggers on '/legacy-spike <module>' or when user asks for a feasibility check, BC scope decision, or 'чи злітає переписування цього модуля'.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'legacy-spike' ] || [ -L ~/.agents/skills/'legacy-spike' ]; then echo 'A skill folder named legacy-spike already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/genkovich/agentic-engineering-course-public' "$d" && git -C "$d" checkout --quiet '2dc9bdfa5d508a04d414fb0991617e6722ec635a' -- 'modules/4-prompting-mastery/4.9-legacy-refactor-solution/.claude/skills/legacy-spike' && mkdir -p ~/.agents/skills && cp -R "$d"/'modules/4-prompting-mastery/4.9-legacy-refactor-solution/.claude/skills/legacy-spike' ~/.agents/skills/'legacy-spike' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'legacy-spike' ~/.claude/skills/'legacy-spike' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-12	`2dc9bdf`	100
2026-11-08	`8f68d4d`	100

Also found in

Identical copies of this skill exist at:

genkovich/agentic-engineering-course-public/modules/4-prompting-mastery/4.9-legacy-refactor/.claude/skills/legacy-spike