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Alt Text

100 / 100 · Low risk

Fine to try.

By nightly-labs/openbot (GitHub) · media · 7,407 stars · scanned at commit 28f04e8

Write short, copyable alt text for images: the purpose of the image in its context first, 125 characters or less by default. Handles decorative images, charts, images of text, logos and linked images. Returns one copy block per image.

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/'alt-text' ] || [ -L ~/.agents/skills/'alt-text' ]; then echo 'A skill folder named alt-text already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/nightly-labs/openbot' "$d" && git -C "$d" checkout --quiet '28f04e89efa8729f3b0598cb5840e1fe502b306d' -- 'marketplace/production-catalog/skills/alt-text' && mkdir -p ~/.agents/skills && cp -R "$d"/'marketplace/production-catalog/skills/alt-text' ~/.agents/skills/'alt-text' && 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/'alt-text' ~/.claude/skills/'alt-text' (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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