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Claude Code Safety Net

Name: Claude Code Safety Net (Claude Skill)
Author: kenryu42

von kenryu42 · kenryu42/claude-code-safety-net

A hooks-driven safety net for Claude Code — interceptors catch rm -rf, git reset --hard, force pushes, and uncommitted destructive edits.

Installs as a Claude Code plugin with PreToolUse hooks. Each potentially destructive operation is intercepted and either confirmed or refused based on rules. Includes rules for git, file system, npm, and arbitrary bash.

▶ Demo ansehen 📦 Installieren 💡 Anwendungsfälle

Warum nutzen

Hauptfunktionen

PreToolUse hook interceptors
Categorized rules (git / fs / pkg / bash)
Auto-block force-push to main
Detect uncommitted-work-overwriting edits
Soft-warn vs hard-block modes
Rules editable per project

Live-Demo

In der Praxis

bereit

Installieren

Wählen Sie Ihren Client

~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "claude-code-safety-net": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/kenryu42/claude-code-safety-net",
        "~/.claude/skills/safety-net"
      ],
      "_inferred": true
    }
  }
}

Öffne Claude Desktop → Settings → Developer → Edit Config. Nach dem Speichern neu starten.

~/.cursor/mcp.json · .cursor/mcp.json

{
  "mcpServers": {
    "claude-code-safety-net": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/kenryu42/claude-code-safety-net",
        "~/.claude/skills/safety-net"
      ],
      "_inferred": true
    }
  }
}

Cursor nutzt das gleiche mcpServers-Schema wie Claude Desktop. Projektkonfiguration schlägt die globale.

VS Code → Cline → MCP Servers → Edit

{
  "mcpServers": {
    "claude-code-safety-net": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/kenryu42/claude-code-safety-net",
        "~/.claude/skills/safety-net"
      ],
      "_inferred": true
    }
  }
}

Klicken Sie auf das MCP-Servers-Symbol in der Cline-Seitenleiste, dann "Edit Configuration".

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "claude-code-safety-net": {
      "command": "git",
      "args": [
        "clone",
        "https://github.com/kenryu42/claude-code-safety-net",
        "~/.claude/skills/safety-net"
      ],
      "_inferred": true
    }
  }
}

Gleiche Struktur wie Claude Desktop. Windsurf neu starten zum Übernehmen.

~/.continue/config.json

{
  "mcpServers": [
    {
      "name": "claude-code-safety-net",
      "command": "git",
      "args": [
        "clone",
        "https://github.com/kenryu42/claude-code-safety-net",
        "~/.claude/skills/safety-net"
      ]
    }
  ]
}

Continue nutzt ein Array von Serverobjekten statt einer Map.

~/.config/zed/settings.json

{
  "context_servers": {
    "claude-code-safety-net": {
      "command": {
        "path": "git",
        "args": [
          "clone",
          "https://github.com/kenryu42/claude-code-safety-net",
          "~/.claude/skills/safety-net"
        ]
      }
    }
  }
}

In context_servers hinzufügen. Zed lädt beim Speichern neu.

claude mcp add claude-code-safety-net -- git clone https://github.com/kenryu42/claude-code-safety-net ~/.claude/skills/safety-net

Einzeiler. Prüfen mit claude mcp list. Entfernen mit claude mcp remove.

Anwendungsfälle

Praxisnahe Nutzung: Claude Code Safety Net

Install the safety net into Claude Code

👤 Claude Code users ⏱ ~15 min intermediate

Wann einsetzen: You've been bitten by an agent overwriting uncommitted changes.

Ablauf

Clone

git clone into ~/.claude/skills/safety-net✓ Kopiert

→ Skill directory present
Wire hooks

Run the included setup; settings.json gets PreToolUse entries.✓ Kopiert

→ Hooks active
Test

Ask Claude to git reset --hard; expect block.✓ Kopiert

→ Block triggered

Ergebnis: Destructive ops require explicit override.

Kombinationen

Mit anderen MCPs für 10-fache Wirkung

claude-code-safety-net + filesystem

Pairs naturally with any agent doing repo edits

Combine claude-code-safety-net with filesystem: Pairs naturally with any agent doing repo edits✓ Kopiert

Werkzeuge

Was dieses MCP bereitstellt

Werkzeug	Eingaben	Wann aufrufen	Kosten
hook-driven	(see docs)	No callable tools; activates via PreToolUse hooks	1 call

Kosten & Limits

Was der Betrieb kostet

API-Kontingent: N/A
Tokens pro Aufruf: 0
Kosten in €: Free
Tipp: Start in soft-warn mode; promote to hard-block after a week of clean runs

Sicherheit

Rechte, Secrets, Reichweite

Minimale Scopes: hooks-read hooks-write

Credential-Speicherung: None

Datenabfluss: None

Fehlerbehebung

Häufige Fehler und Lösungen

Hooks not firing

Confirm settings.json was actually updated; restart Claude Code

False positives on benign git ops

Tune the per-project rules file

Alternativen

Claude Code Safety Net vs. andere

Alternative	Wann stattdessen	Kompromiss
pegasi-ai/reins	You want broader agent guardrails	Heavier setup
Manual review	Solo, low-stakes repo	Doesn't scale

Mehr

Ressourcen

📖 Offizielle README auf GitHub lesen

🐙 Offene Issues ansehen

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