update_container_re

87 / 100 · Low risk

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

By agentydragon/ducktape (GitHub) · coding · 11 stars · scanned at commit 0f6c736

Update the Claude Code web container reverse engineering effort. Detects changed binaries, captures new references, runs parallel RE subagents for bindiff/decompilation, updates container snapshot/diff, and refreshes all documentation.

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

This is disclosed by the author in the skill's SKILL.md or README. Expected for a coding skill.

Found in 10 places.

.claude/skills/update_container_re/SKILL.md, line 33LIVE_EM_HASH=$(md5sum /opt/env-runner/environment-manager | awk '{print $1}')
.claude/skills/update_container_re/SKILL.md, line 53file /opt/env-runner/environment-manager
.claude/skills/update_container_re/SKILL.md, line 72cp /proc/1/exe /tmp/process_api_new

Show 7 more

.claude/skills/update_container_re/SKILL.md, line 83bazel run //devinfra/claude/web_env/tools:capture_versions -- \
.claude/skills/update_container_re/SKILL.md, line 95/usr/local/bin/environment-manager print-sandbox-settings \
.claude/skills/update_container_re/SKILL.md, line 123NEW_EM_BUILDID=$(readelf -n /tmp/env-manager-new | grep 'Build ID' | awk '{print substr($NF,1,8)}')
.claude/skills/update_container_re/SKILL.md, line 148BIN=/tmp/env-manager-new
.claude/skills/update_container_re/SKILL.md, line 187BIN=/tmp/process_api_new
.claude/skills/update_container_re/SKILL.md, line 236bazel run //devinfra/claude/web_env/tools:fetch_debs
.claude/skills/update_container_re/SKILL.md, line 331printf 'Acquire::http::Proxy "%s";\nAcquire::https::Proxy "%s";\n' \

Changes files outside its own folder

The author does not mention this.

Found in 1 place.

.claude/skills/update_container_re/SKILL.md, line 332"${http_proxy:-}" "${https_proxy:-}" > /etc/apt/apt.conf.d/01proxy

Other copies in this repository

agentydragon/ducktape has 1 more folder with a skill named update_container_re. This page shows the lowest-scoring copy.

props/specimens/ducktape/2026-05-20-00/code/.claude/skills/update_container_re 87/100 · Low risk

Install

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

if [ -e ~/.agents/skills/'update-container-re' ] || [ -L ~/.agents/skills/'update-container-re' ]; then echo 'A skill folder named update-container-re already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/agentydragon/ducktape' "$d" && git -C "$d" checkout --quiet '0f6c7366e360008c0b067bcff173a088d6886981' -- '.claude/skills/update_container_re' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/update_container_re' ~/.agents/skills/'update-container-re' && 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/'update-container-re' ~/.claude/skills/'update-container-re' (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
2026-11-11	`0f6c736`	87
2026-11-08	`b7f2df6`	87