Paul This workflow corresponds to n8n.io template #7309 — we link there as the canonical source.
This workflow follows the Agent → Chat Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
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},
{
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{
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"name": "Knowledge MCP",
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"parameters": {},
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{
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"type": "n8n-nodes-base.googleSheetsTool",
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"parameters": {},
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{
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"parameters": {},
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{
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{
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"parameters": {},
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{
"id": "acc78170-a2ff-4383-942b-a9dc7b222c8c",
"name": "When chat message received",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
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"parameters": {},
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{
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"name": "OpenAI Chat Model",
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{
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"name": "Postgres Chat Memory",
"type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
"position": [
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"parameters": {},
"typeVersion": 1.3
},
{
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"parameters": {
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{
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"name": "MCP Client knowledge",
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"parameters": {},
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{
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{
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"parameters": {
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],
"connections": {
"Tabular data": {
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{
"node": "Knowledge MCP",
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}
]
]
},
"Reranker Cohere": {
"ai_reranker": [
[
{
"node": "Vectorized personal data",
"type": "ai_reranker",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "Vectorized personal data",
"type": "ai_embedding",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
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}
]
]
},
"MCP Client knowledge": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Postgres Chat Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Real time web search": {
"ai_tool": [
[
{
"node": "Knowledge MCP",
"type": "ai_tool",
"index": 0
}
]
]
},
"Vectorized personal data": {
"ai_tool": [
[
{
"node": "Knowledge MCP",
"type": "ai_tool",
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}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
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}
]
]
}
}
}
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About this workflow
GPT-5 MCP Multi-Source Orchestrator is a next-generation AI agent for n8n that blends the raw intelligence of GPT-5 with the structured power of MCP tools and multi-source data retrieval. It unifies your live web searches, vector databases, spreadsheets, and persistent memory…
Source: https://n8n.io/workflows/7309/ — original creator credit. Request a take-down →
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