with-eval

92 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By nicolasmelo1/logion (GitHub) · coding · 38 stars · scanned at commit 91dd6ee

Reviews code diffs against a structured checklist covering security (sql-injection, hardcoded-secret, unvalidated-input), reliability (missing-error-handling, resource-leak), and correctness (off-by-one, wrong-comparison). Use when reviewing PRs, audit diffs, or any code change where you want a categorised, line-anchored review instead of free-form prose. Ships with a bundled deterministic self-test that catches "faking" agents that rubber-stamp without reading the diff.

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

The author does not mention this. Expected for a coding skill.

Found in 1 place.

examples/courses/with-eval/SKILL.md, line 71python evals/runner.py

Sends data to these websites: avatars.example.com

This is disclosed by the author in the skill's SKILL.md or README.

Found in 3 places.

examples/courses/with-eval/SKILL.md, line 90| `urlopen` call without try/except | `reliability:missing-error-handling` |
examples/courses/with-eval/evals/fixtures/buggy_pr.diff, line 7+import urllib.request
examples/courses/with-eval/evals/fixtures/buggy_pr.diff, line 19+ resp = urllib.request.urlopen(f"https://avatars.example.com/{user_id}.png")

Install

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

if [ -e ~/.agents/skills/'with-eval' ] || [ -L ~/.agents/skills/'with-eval' ]; then echo 'A skill folder named with-eval already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/nicolasmelo1/logion' "$d" && git -C "$d" checkout --quiet '91dd6eec32877bb4c7ff1c4c25689d732298371d' -- 'examples/courses/with-eval' && mkdir -p ~/.agents/skills && cp -R "$d"/'examples/courses/with-eval' ~/.agents/skills/'with-eval' && 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/'with-eval' ~/.claude/skills/'with-eval' (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
2026-11-07	`91dd6ee`	92