diff --git a/src/amber_cli/commands/database.cr b/src/amber_cli/commands/database.cr
index 4813718..712a35c 100644
--- a/src/amber_cli/commands/database.cr
+++ b/src/amber_cli/commands/database.cr
@@ -104,7 +104,7 @@ module AmberCLI::Commands
         when "create"
           create_database
         when "seed"
-          Amber::CLI::Helpers.run("crystal db/seeds.cr", wait: true, shell: true)
+          Amber::CLI::Helpers.run("crystal db/seeds.cr", wait: true)
           info "Seeded database"
         when "migrate"
           migrate
diff --git a/src/amber_cli/helpers/helpers.cr b/src/amber_cli/helpers/helpers.cr
index 1816bbe..16d2f35 100644
--- a/src/amber_cli/helpers/helpers.cr
+++ b/src/amber_cli/helpers/helpers.cr
@@ -77,11 +77,13 @@ module Amber::CLI::Helpers
     File.write(app_file_path, application.gsub(injection_marker, replacement)) if deps.size > 0
   end
 
-  def self.run(command, wait = true, shell = true)
+  def self.run(command : String, wait = true)
+    parsed_args = Process.parse_arguments(command)
+    cmd = parsed_args.shift? || ""
     if wait
-      Process.run(command, shell: shell, output: Process::Redirect::Inherit, error: Process::Redirect::Inherit)
+      Process.run(cmd, args: parsed_args, shell: false, output: Process::Redirect::Inherit, error: Process::Redirect::Inherit)
     else
-      Process.new(command, shell: shell, output: Process::Redirect::Inherit, error: Process::Redirect::Inherit)
+      Process.new(cmd, args: parsed_args, shell: false, output: Process::Redirect::Inherit, error: Process::Redirect::Inherit)
     end
   rescue ex : IO::Error
     # typically means we could not find the executable
diff --git a/src/amber_cli/helpers/process_runner.cr b/src/amber_cli/helpers/process_runner.cr
index 34c5ea0..6f826f8 100644
--- a/src/amber_cli/helpers/process_runner.cr
+++ b/src/amber_cli/helpers/process_runner.cr
@@ -148,7 +148,7 @@ module Sentry
     end
 
     private def start_process(run_command_run)
-      process = Amber::CLI::Helpers.run(run_command_run, wait: false, shell: false)
+      process = Amber::CLI::Helpers.run(run_command_run, wait: false)
       if process.is_a? Process
         @processes["run"] ||= Array(Process).new
         @processes["run"] << process
@@ -178,7 +178,7 @@ module Sentry
         end
 
         log task, "Starting..."
-        process = Amber::CLI::Helpers.run(run_command, wait: false, shell: true)
+        process = Amber::CLI::Helpers.run(run_command, wait: false)
         if process.is_a? Process
           @processes[task] ||= Array(Process).new
           @processes[task] << process
diff --git a/src/amber_cli/vendor/inflector/ai_transformer.cr b/src/amber_cli/vendor/inflector/ai_transformer.cr
index a01d92f..f4e36bf 100644
--- a/src/amber_cli/vendor/inflector/ai_transformer.cr
+++ b/src/amber_cli/vendor/inflector/ai_transformer.cr
@@ -23,6 +23,9 @@ module AmberCLI::Vendor::Inflector::AITransformer
     end
   end
 
+  # Cache limit to prevent memory leaks in persistent instances
+  MAX_CACHE_SIZE = 1000
+
   # Cache for AI transformation results
   @@cache = {} of String => String
   @@config = Config.new
@@ -41,11 +44,17 @@ module AmberCLI::Vendor::Inflector::AITransformer
     # Check cache first
     cache_key = "#{word}:#{transformation}"
     if cached_result = @@cache[cache_key]?
+      # Move to end (most recently used)
+      @@cache.delete(cache_key)
+      @@cache[cache_key] = cached_result
       return cached_result
     end
 
     # Try AI transformation
     if result = call_ai_service(word, transformation)
+      if @@cache.size >= MAX_CACHE_SIZE
+        @@cache.delete(@@cache.first_key)
+      end
       @@cache[cache_key] = result
       return result
     end