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session-guard

100 / 100 · Low risk

Fine to try.

By wshobson/agents (GitHub) · coding · 42,412 stars · scanned at commit 9c61ab2

Use when working on complex multi-step tasks, when a session is getting long (40+ tool calls), when the agent starts ignoring rules it followed earlier, when conventions drift, when output quality seems to degrade, or after any context compaction event. Prevents long-session corruption AND context compaction amnesia through behavioral self-enforcement.

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/'session-guard' ] || [ -L ~/.agents/skills/'session-guard' ]; then echo 'A skill folder named session-guard already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/wshobson/agents' "$d" && git -C "$d" checkout --quiet '9c61ab243def98f72da12abd41cfcf5bcd91af9d' -- 'plugins/skill-forge-essentials/skills/session-guard' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/skill-forge-essentials/skills/session-guard' ~/.agents/skills/'session-guard' && 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/'session-guard' ~/.claude/skills/'session-guard' (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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