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Download Zip Downloading... More from this repository name sandbox-status description Display native sandbox status, configuration, and recent violations effort low when_to_use Use to check whether Claude Code sandbox mode is active and what restrictions apply. disable-model-invocation true
Sandbox Status Command
Inspect the native Claude Code sandbox state, active configuration, and security events.
Usage
/sandbox-status
What It Does
Check sandbox availability
Verify OS primitives installed (bubblewrap on Linux, Seatbelt on macOS)
Display platform support status
Show active configuration
Sandbox mode (Auto-allow vs Regular permissions)
Filesystem policies (allowed writes, denied reads)
Network policies (domain allowlist/denylist)
Excluded commands
List recent sandbox violations
Blocked filesystem access attempts
Blocked network connections
Escape hatch invocations (dangerouslyDisableSandbox)
Implementation
#!/bin/bash
echo "=== Native Sandbox Status ==="
echo
echo "Platform:"
case "$OSTYPE " in
darwin*)
echo " ✅ macOS (Seatbelt built-in)"
;;
linux*)
if which bubblewrap >/dev/null 2>&1; then
echo " ✅ Linux (bubblewrap installed)"
bubblewrap --version 2>/dev/null | head -1
else
echo " ❌ Linux (bubblewrap NOT installed)"
echo " Install: sudo apt-get install bubblewrap socat"
fi
if which socat >/dev/null 2>&1; then
echo " ✅ socat installed"
else
echo " ❌ socat NOT installed"
fi
;;
*)
echo " ❌ Unsupported platform: $OSTYPE "
;;
esac
echo
echo "Configuration (from settings.json):"
if [ -f .claude/settings.json ]; then
CONFIG=".claude/settings.json"
elif [ -f ~/.claude/settings.json ]; then
CONFIG="~/.claude/settings.json"
CONFIG=
[ -n ];
AUTO_ALLOW=$(jq -r 2>/dev/null)
ESCAPE=$(jq -r 2>/dev/null)
WRITE_PATHS=$(jq -r 2>/dev/null | )
CRED_FILES=$(jq -r 2>/dev/null | )
STRICT=$(jq -r 2>/dev/null)
DOMAINS=$(jq -r 2>/dev/null | -3 | )
DOMAINS_COUNT=$(jq -r 2>/dev/null)
[ -n ];
EXCLUDED=$(jq -r 2>/dev/null | )
npx >/dev/null 2>&1;
Example Output
=== Native Sandbox Status ===
Platform:
✅ macOS (Seatbelt built-in)
Configuration (from settings.json):
Source: .claude/settings.json
Auto-allow: true
dangerouslyDisableSandbox allowed: false
Allowed writes: ${CWD}, /tmp
Denied credential files: ~/.ssh, ~/.aws, ~/.gnupg
Strict allowlist: not set (default false)
Allowed domains: api.anthropic.com, registry.npmjs.com, github.com... (9 total)
Excluded commands: docker, kubectl, podman
Recent sandbox violations:
ℹ️ Log inspection not yet implemented
Tip: Check Claude Code session logs for sandbox violation notifications
Open-Source Runtime:
✅ npx available - can use @anthropic-ai/sandbox-runtime
Usage: npx @anthropic-ai/sandbox-runtime <command>
Documentation:
Guide: guide/security/sandbox-native.md
Official: https://code.claude.com/docs/en/sandboxing
Runtime: https://github.com/anthropic-experimental/sandbox-runtime
Use Cases
Pre-deployment : Verify sandbox config before running autonomous workflows
Debugging : Investigate why certain commands are blocked
Security audit : Review allowed domains and filesystem access
Onboarding : Help new team members understand project sandbox policy
See Also
else
echo
" ⚠️ No settings.json found"
""
fi
if
"$CONFIG "
then
echo
" Source: $CONFIG "
'.sandbox.autoAllowBashIfSandboxed // "not set"'
"$CONFIG "
echo
" Auto-allow: $AUTO_ALLOW "
'.sandbox.allowUnsandboxedCommands // "not set"'
"$CONFIG "
echo
" dangerouslyDisableSandbox allowed: $ESCAPE "
'.sandbox.filesystem.allowWrite[]? // empty'
"$CONFIG "
tr
'\n'
', '
echo
" Allowed writes: ${WRITE_PATHS:-not set} "
'.sandbox.credentials.files[]?.path // empty'
"$CONFIG "
tr
'\n'
', '
echo
" Denied credential files: ${CRED_FILES:-not set} "
'.sandbox.network.strictAllowlist // "not set (default false)"'
"$CONFIG "
echo
" Strict allowlist: $STRICT "
'.sandbox.network.allowedDomains[]? // empty'
"$CONFIG "
head
tr
'\n'
', '
'.sandbox.network.allowedDomains | length'
"$CONFIG "
if
"$DOMAINS "
then
echo
" Allowed domains: $DOMAINS ... ($DOMAINS_COUNT total)"
else
echo
" Allowed domains: not set"
fi
'.sandbox.excludedCommands[]? // empty'
"$CONFIG "
tr
'\n'
', '
echo
" Excluded commands: ${EXCLUDED:-not set} "
fi
echo
echo
"Recent sandbox violations:"
echo
" ℹ️ Log inspection not yet implemented"
echo
" Tip: Check Claude Code session logs for sandbox violation notifications"
echo
echo
"Open-Source Runtime:"
if
which
then
echo
" ✅ npx available - can use @anthropic-ai/sandbox-runtime"
echo
" Usage: npx @anthropic-ai/sandbox-runtime <command>"
else
echo
" ⚠️ npx not found (install Node.js)"
fi
echo
echo
"Documentation:"
echo
" Guide: guide/security/sandbox-native.md"
echo
" Official: https://code.claude.com/docs/en/sandboxing"
echo
" Runtime: https://github.com/anthropic-experimental/sandbox-runtime"