feat(claude): allow Context7 domain in enabled sandbox

Where the Claude sandbox is enabled, permit network access to
mcp.context7.com only, and validate that exact shape.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

scripts/checks/validate-config.py

@@ -11,7 +11,7 @@ from pathlib import Path
 
 CLAUDE_TOP_LEVEL = {"permissions", "sandbox", "env", "statusLine", "hooks"}
 CLAUDE_PERMISSION_KEYS = {"defaultMode", "allow", "deny"}
-CLAUDE_SANDBOX_KEYS = {"enabled", "allowUnsandboxedCommands", "failIfUnavailable"}
+CLAUDE_SANDBOX_KEYS = {"enabled", "allowUnsandboxedCommands", "failIfUnavailable", "network"}
 CLAUDE_STATUS_LINE_KEYS = {"type", "command"}
 CLAUDE_HOOK_KEYS = {"type", "command", "timeout"}
 CLAUDE_PERMISSION_MODES = {"acceptEdits", "auto", "bypassPermissions", "default", "dontAsk", "plan"}
@@ -40,7 +40,8 @@ def validate_claude(path: Path) -> None:
         if not isinstance(permissions.get(key), list) or not all(isinstance(item, str) for item in permissions[key]):
             fail(f"permissions.{key} must be an array of strings")
     sandbox = require_keys(settings.get("sandbox"), CLAUDE_SANDBOX_KEYS, "sandbox")
-    if sandbox != {"enabled": False} and sandbox != {"enabled": True, "allowUnsandboxedCommands": False, "failIfUnavailable": True}:
+    if sandbox != {"enabled": False} and sandbox != {"enabled": True, "allowUnsandboxedCommands": False, "failIfUnavailable": True,
+                                                   "network": {"allowedDomains": ["mcp.context7.com"]}}:
         fail("sandbox must be disabled or enabled with fail-closed settings")
     env = settings.get("env")
     if not isinstance(env, dict) or not all(isinstance(key, str) and isinstance(value, str) for key, value in env.items()):

scripts/commands/build.ps1

@@ -9,7 +9,7 @@ if ($sandboxSupported) {
     $kernel = (& uname -r 2>$null | Out-String).Trim()
     if ($kernel -match '(?i)microsoft') { $sandboxSupported = $kernel -match '(?i)microsoft-standard-WSL2' }
 }
-$claudeSandbox = if ($sandboxSupported) { '{"enabled": true, "allowUnsandboxedCommands": false, "failIfUnavailable": true}' } else { '{"enabled": false}' }
+$claudeSandbox = if ($sandboxSupported) { '{"enabled": true, "allowUnsandboxedCommands": false, "failIfUnavailable": true, "network": {"allowedDomains": ["mcp.context7.com"]}}' } else { '{"enabled": false}' }
 $pluginManifest = Join-Path $root 'adapters/plugins.tsv'
 $capabilityManifest = Join-Path $root 'adapters/claude/capabilities.tsv'
 

scripts/commands/build.sh

@@ -24,7 +24,7 @@ case "$platform" in
     ;;
 esac
 sandbox='{"enabled": false}'
-[ "$sandbox_supported" != true ] || sandbox='{"enabled": true, "allowUnsandboxedCommands": false, "failIfUnavailable": true}'
+[ "$sandbox_supported" != true ] || sandbox='{"enabled": true, "allowUnsandboxedCommands": false, "failIfUnavailable": true, "network": {"allowedDomains": ["mcp.context7.com"]}}'
 plugin_manifest="$root/adapters/plugins.tsv"
 capability_manifest="$root/adapters/claude/capabilities.tsv"
 

scripts/tests/test-shell-packages.ps1

@@ -62,7 +62,7 @@ foreach ($shell in @('powershell','bash')) {
             throw "Claude finish hook is incorrect in $package"
         } elseif ($content -notmatch '"defaultMode"\s*:\s*"auto"') {
             throw "Claude auto permission mode is missing in $package"
-        } elseif ($sandboxSupported -and ($settings.sandbox.enabled -ne $true -or $settings.sandbox.allowUnsandboxedCommands -ne $false -or $settings.sandbox.failIfUnavailable -ne $true -or @($settings.sandbox.PSObject.Properties).Count -ne 3)) {
+        } elseif ($sandboxSupported -and ($settings.sandbox.enabled -ne $true -or $settings.sandbox.allowUnsandboxedCommands -ne $false -or $settings.sandbox.failIfUnavailable -ne $true -or (@($settings.sandbox.network.allowedDomains) -join ',') -ne 'mcp.context7.com' -or @($settings.sandbox.PSObject.Properties).Count -ne 4)) {
             throw "Claude strict sandbox is missing in $package"
         } elseif (-not $sandboxSupported -and ($settings.sandbox.enabled -ne $false -or @($settings.sandbox.PSObject.Properties).Count -ne 1)) {
             throw "Claude sandbox must be disabled in $package"

scripts/tests/test-shell-packages.sh

@@ -80,7 +80,7 @@ for shell in powershell bash; do
       ! grep -q 'flashbang-if-input' "$package/$file"
       ! grep -q '"async"[[:space:]]*:[[:space:]]*true' "$package/$file"
       grep -q '"defaultMode"[[:space:]]*:[[:space:]]*"auto"' "$package/$file"
-      python3 -c 'import json,sys; settings=json.load(open(sys.argv[1], encoding="utf-8-sig")); expected={"enabled": True, "allowUnsandboxedCommands": False, "failIfUnavailable": True} if sys.argv[2] == "true" else {"enabled": False}; assert settings["sandbox"] == expected' "$package/$file" "$sandbox_supported"
+      python3 -c 'import json,sys; settings=json.load(open(sys.argv[1], encoding="utf-8-sig")); expected={"enabled": True, "allowUnsandboxedCommands": False, "failIfUnavailable": True, "network": {"allowedDomains": ["mcp.context7.com"]}} if sys.argv[2] == "true" else {"enabled": False}; assert settings["sandbox"] == expected' "$package/$file" "$sandbox_supported"
       statusline_extension='sh'
       [ "$shell" != powershell ] || statusline_extension=ps1
       test -f "$package/statusline/statusline.$statusline_extension"