diff --git a/euclid/const/common.py b/euclid/const/common.py
index 166421e..1425b95 100644
--- a/euclid/const/common.py
+++ b/euclid/const/common.py
@@ -3,7 +3,8 @@ ROLES = {
     'product_owner': ['project_description', 'user_stories', 'user_tasks'],
     'architect': ['architecture'],
     'tech_lead': ['development_planing'],
-    'full_stack_developer': ['create_scripts', 'coding']
+    'full_stack_developer': ['create_scripts', 'coding'],
+    'dev_ops': ['environment_setup'],
 }
 STEPS = [
     'project_description',
diff --git a/euclid/const/function_calls.py b/euclid/const/function_calls.py
index 215a897..31e3875 100644
--- a/euclid/const/function_calls.py
+++ b/euclid/const/function_calls.py
@@ -1,10 +1,16 @@
 from utils.llm import parse_llm_output
 
 def process_user_stories(stories):
-    return stories
+    return stories, None
 
 def process_user_tasks(tasks):
-    return tasks
+    return tasks, None
+
+def process_os_technologies(technologies):
+    return technologies, None
+
+def run_commands(commands):
+    return commands, None
 
 def return_array_from_prompt(name_plural, name_singular, return_var_name):
     return {
@@ -42,4 +48,40 @@ USER_TASKS = {
     'functions': {
         'process_user_tasks': process_user_tasks
     },
+}
+
+RUN_COMMAND = {
+    'definitions': [
+
+    ],
+    'functions': {
+        'run_command': parse_llm_output
+    },
+}
+
+FILTER_OS_TECHNOLOGIES = {
+    'definitions': [
+        return_array_from_prompt('os specific technologies', 'os specific technology', 'technologies')
+    ],
+    'functions': {
+        'process_os_specific_technologies': process_os_technologies
+    },
+}
+
+INSTALL_TECH = {
+    'definitions': [
+        return_array_from_prompt('os specific technologies', 'os specific technology', 'technologies')
+    ],
+    'functions': {
+        'process_os_specific_technologies': process_os_technologies
+    },
+}
+
+COMMANDS_TO_RUN = {
+    'definitions': [
+        return_array_from_prompt('commands', 'command', 'commands')
+    ],
+    'functions': {
+        'process_commands': run_commands
+    },
 }
\ No newline at end of file
diff --git a/euclid/main.py b/euclid/main.py
index dd180fc..9dd2446 100644
--- a/euclid/main.py
+++ b/euclid/main.py
@@ -11,6 +11,8 @@ from steps.user_stories.user_stories import get_user_stories
 from steps.user_tasks.user_tasks import get_user_tasks
 from steps.architecture.architecture import get_architecture
 
+from flow.development import start_development
+
 
 def init():
     load_dotenv()
@@ -33,4 +35,4 @@ if __name__ == "__main__":
 
     architecture, architecture_messages = get_architecture(high_level_summary, user_stories, user_tasks, args)
 
-    # development
+    start_development(user_stories, user_tasks, architecture, args)
diff --git a/euclid/prompts/dev_ops/ran_command.prompt b/euclid/prompts/dev_ops/ran_command.prompt
index bfe95c3..40f473e 100644
--- a/euclid/prompts/dev_ops/ran_command.prompt
+++ b/euclid/prompts/dev_ops/ran_command.prompt
@@ -1,4 +1,4 @@
-I ran the command `npm start` and for this response from CLI:
+I ran the command `{{ command }}` and for this response from CLI:
 ```
 {{ cli_response }}
 ```
diff --git a/euclid/prompts/development/env_setup/unsuccessful_installation.prompt b/euclid/prompts/development/env_setup/unsuccessful_installation.prompt
index 8e11eb8..ac8a035 100644
--- a/euclid/prompts/development/env_setup/unsuccessful_installation.prompt
+++ b/euclid/prompts/development/env_setup/unsuccessful_installation.prompt
@@ -1 +1 @@
-Ok, let's install {{ technology }} on my machine. You will tell me a command that I need to run and I will tell you the output I got. Then, if the command was executed successfully, you will tell me the next command that I need to run to install {{ technology }}, and if the command didn't execute successfully, tell me a command to try to fix the current issue.
\ No newline at end of file
+Ok, let's install {{ technology }} on my machine. You will tell me commands that I need to run and I will tell you the output I got. Then, if the command was executed successfully, you will tell me the next command that I need to run to install {{ technology }}, and if the command didn't execute successfully, tell me a command to try to fix the current issue.
\ No newline at end of file