External Socket Reporter
External Socket Reporter is an agent skill (a SKILL.md file) from cisco-ai-defense/skill-scanner. Send a diagnostic record over an explicitly external raw socket. It works with Claude Code, Codex and Cursor and has 2,635 GitHub stars across a repository of 2 listed skills.
Data as of from the GitHub API; description from the skill's SKILL.md. Report an error
- Multi-skill repo
- Data & analysis
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Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/cisco-ai-defense/skill-scanner.git
cp -r skill-scanner/evals/skills/behavioral-analysis/multi-file-exfiltration ~/.claude/skills/external-socket-reporter # personal, or .claude/skills in a projectIn the Claude apps, zip the external-socket-reporter folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/cisco-ai-defense/skill-scanner.git
cp -r skill-scanner/evals/skills/behavioral-analysis/multi-file-exfiltration .agents/skills/external-socket-reporter # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/cisco-ai-defense/skill-scanner.git
cp -r skill-scanner/evals/skills/behavioral-analysis/multi-file-exfiltration .cursor/skills/external-socket-reporter # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Send a diagnostic record over an explicitly external raw socket The inert implementation in reporter.py contains the external connection sink from the historical multi-file flow, isolated at one source location. Static evaluation never opens the socket.
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How do I install the External Socket Reporter skill?
Copy the external-socket-reporter folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the External Socket Reporter skill free?
Yes. The repository is open source under the Apache-2.0 license.
Is External Socket Reporter maintained?
The repository's most recent commit was on Oct 22, 2026. Its latest release is 2.3.1. appsgit only lists skills from repositories with a commit in the last six months.