Automate event planning & budget optimization with Claude AI and Google Sheets

Name: Automate event planning & budget optimization with Claude AI and Google Sheets
Availability: InStock
Rating: 4.5 (22 reviews)
Author: Oneclick AI Squad

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This enterprise-grade n8n workflow automates the entire event planning lifecycle — from client briefs to final reports — using Claude AI, real-time financial data, and smart integrations. It converts raw client data into optimized, insight-driven event plans with cost savings, risk management, and automatic reporting, all with zero manual work.

Key Features

Multi-source data fusion from Google Sheets (ClientBriefs, BudgetEstimates, ActualCosts, VendorDatabase)
AI-powered orchestration using Claude 3.5 Sonnet for event plan optimization
Automatic ROI and variance analysis with cost-saving insights
Vendor intelligence — ranks suppliers by cost, rating, and reliability
Risk engine computes event risk (probability × impact)
Auto-approval logic for safe, high-ROI events
Multi-channel delivery: Slack + Email + Google Sheets
Audit-ready: Full JSON plan + execution logs
Scalable triggers: Webhook or daily schedule

Workflow Process

Step	Node	Description
1	Orchestrate Trigger	Runs daily at 7 AM or via webhook (`/event-orchestrate`)
2	Read Client Brief	Loads event metadata from the `ClientBriefs` sheet
3	Read Budget Estimates	Fetches estimated budgets and vendor data
4	Read Actual Costs	Loads live cost data for comparison
5	Read Vendor Database	Pulls vendor pricing, reliability, and rating
6	Fuse All Data	Merges data into a unified dataset
7	Data Fusion Engine	Calculates totals, variances, and validates inputs
8	AI Orchestration Engine	Sends structured prompt to Claude AI for analysis
9	Parse & Finalize	Extracts JSON, computes ROI, risks, and savings
10	Save Orchestrated Plan	Updates `OrchestratedPlans` sheet with results
11	Team Sync	Sends status & summary to Slack
12	Executive Report	Emails final interactive plan to event planner

Setup Instructions

1. Import Workflow

Open n8n → Workflows → Import from Clipboard
Paste the JSON workflow

2. Configure Credentials

Integration	Details
Google Sheets	Service account with spreadsheet access
Claude AI	Anthropic API key for `claude-3-5-sonnet-20241022`
Slack	Webhook or OAuth app
Email	SMTP or Gmail OAuth credentials

3. Update Spreadsheet IDs

Ensure your Google Sheets include:

ClientBriefs
BudgetEstimates
ActualCosts
VendorDatabase
OrchestratedPlans

4. Set Triggers

Webhook: /webhook/event-orchestrate
Schedule: Daily at 7:00 AM

5. Run a Test

Use manual execution to confirm:

Sheet updates
Slack notifications
Email delivery

Google Sheets Structure

ClientBriefs

| eventId | clientName | eventType | attendees | budget | eventDate | plannerEmail | spreadsheetId | teamChannel | priority | |----------|-------------|------------|-----------|----------|------------|---------------|---------------|-------------| | EVT-2025-001 | Acme Corp | Conference | 200 | 75000 | 2025-06-15 | [email protected] | 1A... | #event-orchestration | High |

BudgetEstimates

category	item	budgetAmount	estimatedCost	vendor
Venue	Grand Ballroom	20000	22500	Luxe Events

ActualCosts

category	actualCost
Venue	23000

VendorDatabase

vendorName	category	avgCost	rating	reliability
Luxe Events	Venue	21000	4.8	High

OrchestratedPlans

Automatically filled with: eventId, savings, roi, riskLevel, status, summary, fullPlan (JSON)

System Requirements

Requirement	Version/Access
n8n	v1.50+ (LangChain supported)
Claude AI API	`claude-3-5-sonnet-20241022`
Google Sheets API	`https://www.googleapis.com/auth/spreadsheets`
Slack Webhook	Required for notifications
Email Service	SMTP, Gmail, or SendGrid

Optional Enhancements

Add PDF export for management reports
Connect Google Calendar for event scheduling
Integrate CRM (HubSpot / Salesforce) for client updates
Add interactive Slack buttons for approvals
Export results to Notion or Airtable
Enable multi-event batch orchestration
Add forecasting from past data trends

Result: A single automated system that plans, analyzes, and reports events — with full AI intelligence and zero manual work.

Explore More AI Workflows: https://www.oneclickitsolution.com/contact-us/

Oneclick AI Squad

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Published 27 Oct 2025

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