Validate startup ideas and generate business plans with Claude and SendGrid
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 24 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects Anthropic Chat Model. It also calls sheets.googleapis.com and api.sendgrid.com over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Prepare Idea Context (Edit Fields (Set)): sets 6 fields: rawIdea, founderName, targetIndustry…
- AI - Expand & Structure Idea (AI Agent): runs an AI agent, with model: Anthropic - Idea Expansion
- JS - Parse Expanded Idea (Code): runs custom JavaScript code
- Filter: keeps only the items that match a condition
- Wait: pauses before continuing
- AI - Market Research Loop (AI Agent): runs an AI agent, with model: Anthropic - Market Research
- JS - Parse Market Research (Code): runs custom JavaScript code
- Wait: pauses before continuing
- AI - Competitor Analysis (AI Agent): runs an AI agent, with model: Anthropic - Competitor Analysis
- Python - Score Competitive Position (Code): runs custom Python code
…plus 8 more steps. See the full node list below.
Services it uses
HTTP calls to: sheets.googleapis.com, api.sendgrid.com
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in AI - Expand & Structure Idea (v1.6), AI - Market Research Loop (v1.6), AI - Competitor Analysis (v1.6)…: replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI - Expand & Structure Idea (v1.6), AI - Market Research Loop (v1.6), AI - Competitor Analysis (v1.6), AI - Demand Validation (v1.6), AI - Generate Business Plan (v1.6) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (9)
- Webhook
n8n-nodes-base.webhook - Edit Fields (Set)
n8n-nodes-base.set - AI Agent
@n8n/n8n-nodes-langchain.agent - Code
n8n-nodes-base.code - Filter
n8n-nodes-base.filter - Wait
n8n-nodes-base.wait - HTTP Request
n8n-nodes-base.httpRequest - Respond to Webhook
n8n-nodes-base.respondToWebhook - Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic
From the author
Quick overview This workflow receives a startup idea via webhook, uses Anthropic Claude to expand it, run market research, competitor analysis, and demand validation, then generates a structured business plan, emails it through SendGrid, logs a summary row to…