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ssrf-and-url-allowlists

97 / 100 · Low risk

Fine to try.

By makifbaysal/tasktrooper (GitHub) · coding · 122 stars · scanned at commit 96d8af7

Use when the server side of the diff fetches, renders, redirects to or validates a URL that input can influence - webhooks, link previews, import-from-URL, PDF renderers, OAuth/JWKS discovery, allowlist and blocklist checks

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'ssrf-and-url-allowlists' ] || [ -L ~/.agents/skills/'ssrf-and-url-allowlists' ]; then echo 'A skill folder named ssrf-and-url-allowlists already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/makifbaysal/tasktrooper' "$d" && git -C "$d" checkout --quiet '96d8af7c0a98ecc099980a6d7ce4681b2a0b0fa3' -- 'catalog/agents/security-agent/skills/ssrf-and-url-allowlists' && mkdir -p ~/.agents/skills && cp -R "$d"/'catalog/agents/security-agent/skills/ssrf-and-url-allowlists' ~/.agents/skills/'ssrf-and-url-allowlists' && 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/'ssrf-and-url-allowlists' ~/.claude/skills/'ssrf-and-url-allowlists' (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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