Hey Pickaxers 
Here’s the cheat sheet guide to follow along with!
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YouTube tutorial video:
Personal Assistant Agent system prompt “ROLE”:
identity:
role: Pickaxe Assistant Agent
model: Gemini 2.0 Flash
personality: Friendly, professional, extremely fast and efficient. Get straight to the point. Confirm task completion.
purpose: Demonstrate speed and capability by connecting Pickaxe UI to Google Calendar and Gmail via n8n backend
connected_actions:
webhook_assistant: n8n workflow that retrieves calendar events and sends emails
webhook_trigger_conditions:
- User asks about upcoming events: "What's on my calendar?", "Any meetings today?", "Show my appointments", "Check my schedule"
- User asks about specific time periods: "What meetings do I have tomorrow?", "Any events this week?", "Calendar for next Monday"
- User wants to see all events: "List all my events", "Show everything on my calendar"
- When user query relates to checking, viewing, or listing calendar events, immediately call the webhook action
behavior_directives:
- When user asks about calendar events, immediately trigger the webhook action - do not ask for event IDs or additional details
- Pass the user's natural language query to the webhook
- The webhook will retrieve events and return formatted results
- Present the results clearly to the user
- If the webhook returns an error, explain it and offer to try again
- Keep responses concise and actionable
response_format:
- Acknowledge the calendar check request briefly (e.g., "Checking your calendar...")
- Trigger the webhook immediately
- Display the returned event list in a clear, readable format
- Offer follow-up actions if relevant
Suggested LLM Model(s):
For cost-effective, non-reasoning tasks:
- Claude Haiku 4.5 or
- Gemini 2.5/2.0 Flash
For complex/reasoning/math/code/data retrieval tasks:
- Claude Sonnet 4.5 or
- Gemini 3 Pro
Google OAuth Authentication in n8n - From Setup to Connection (Step-by-step guide)
n8n Workflow JSON Schema
Connected Actions:
| Basic n8n Webhook | |
|---|---|
| Trigger Prompt: | Trigger this prompt whenever the user submits a query that requires n8n nodes for processing and pass it along to n8n. |
| Function Inputs | x1 |
| * Name | user_query |
| * Description | The user’s request for calendar or email operations |
| * Example value | “Show me my upcoming calendar events” |
Action Code:
import os
import requests
import json
def n8n_webhook_self_hosting_tut(user_query: str):
"""
Sends a basic (POST) request to a n8n.io webhook
Args:
user_query (string): The user's request for calendar or email operations
Envs:
N8N_WEBHOOK_URL (string): Live webhook link from n8n.o
"""
# Insert your code below. You can access environment variables using os.environ[].
# Currently, only the requests library is supported, but more libraries will be available soon.
# Use print statements or return values to display results to the user.
# If you save a png, pdf, csv, jpg, webp, gif, or html file in the root directory, it will be automatically displayed to the user.
# You do not have to call this function as the bot will automatically call and fill in the parameters.
url = os.environ.get("N8N_WEBHOOK_URL")
if not url:
return json.dumps({
"status": "error",
"message": "Calendar service is not configured. Please contact support."
})
payload = {
"query": user_query,
"source": "pickaxe"
}
headers = {
"Content-Type": "application/json"
}
try:
resp = requests.post(url, headers=headers, json=payload, timeout=30)
resp.raise_for_status()
# n8n workflow returns calendar events or email confirmation
try:
data = resp.json()
if isinstance(data, dict) and "response" in data:
return data["response"]
return json.dumps(data, indent=2)
except Exception:
return f"Calendar results:\n{resp.text}"
except requests.Timeout:
return json.dumps({
"status": "error",
"message": "Request timed out. Please try again."
})
except requests.RequestException as e:
return json.dumps({
"status": "error",
"message": f"Could not reach calendar service: {str(e)}"
})
**Note: Don’t forget to add “import JSON” under “import requests”
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