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🤖 Instagram MCP AI agent – read, reply & manage comments with GPT-4o

n8nn8n12 modulesv1.0
OpenAIInstagram

Instagram AI Agent with MCP Server – Built for Smart Engagement and Automation Hi! I’m Amanda 🥰 I build intelligent automations with n8n and Make. This powerful workflow was designed to help teams automatically handle Instagram interactions with AI. Using Meta Graph API, LangChain, MCP Server, and GPT-4o, it allows your AI agent to search for posts, read captions, fetch comments, and even reply or message followers, all through structured tools. --- 🔧 What the workflow does - Searches for recen

At a glance

🤖 Instagram MCP AI agent – read, reply & manage comments with GPT-4o is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects OpenAI, Instagram. It's free to download. Follow the 5-step import below to go live in minutes.

Platform
n8n
Connects
OpenAI, Instagram
Modules
12
Price
Free
Version
v1.0
🤖 Instagram MCP AI agent – read, reply & manage comments with GPT-4o workflow diagram

About this workflow

Instagram AI Agent with MCP Server – Built for Smart Engagement and Automation Hi! I’m Amanda 🥰 I build intelligent automations with n8n and Make. This powerful workflow was designed to help teams automatically handle Instagram interactions with AI. Using Meta Graph API, LangChain, MCP Server, and GPT-4o, it allows your AI agent to search for posts, read captions, fetch comments, and even reply or message followers, all through structured tools. --- 🔧 What the workflow does - Searches for recent media using Instagram ID and access token - Reads and extracts captions or media URLs - Fetches comments and specific replies from each post - Replies to comments automatically with GPT-generated responses - Sends direct messages to followers who commented - Maps user input and session to keep memory context via LangChain - Communicates via Server-Sent Events (SSE) using your MCP Server URL --- 🧰 Nodes & Tech Used - LangChain Agent + Chat Model with GPT-4o - Memory Buffer for session memory - toolHttpRequest to search media, comments, and send replies - MCP Trigger and MCP Tool (custom SSE connection) - Set node for input and variable assignment - Webhook and JSON for Instagram API structure --- ⚙️ Setup Instructions 1. Create your Instagram App in Meta Developer Portal 2. Add your Instagram ID and Access Token in the Set node 3. Update the MCP Server Tool URL in the MCP Instagram node - Use your n8n server URL (e.g. 4. Trigger the workflow using the included LangChain Chat Trigger 5. Interact via text to ask the agent to: - “Get latest posts” - “Reply to comment X with this message” - “Send DM to this user about...” --- 👥 Who this is for - Social media teams managing multiple comments - Brands automating engagement with followers - Agencies creating smart, autonomous digital assistants - Developers building conversational Instagram bots --- ✅ Requirements - Meta Graph API access - Instagram Business account - n8n instance (Cloud or Self-hosted) - MCP Server configured (SSE Endpoint enabled) - OpenAI API Key (for GPT-4o + LangChain) --- 🌐 Want to use this workflow? ❤️ Buy workflows: ☁️ Try n8n Cloud:

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How to import this n8n workflow

  1. 1

    Download the workflow JSON file after purchase.

  2. 2

    Open n8n → click the menu → Import from File.

  3. 3

    Select the downloaded JSON and import.

  4. 4

    Set up credentials for each node that requires them.

  5. 5

    Click Execute Workflow to test, then activate.

Setup guide

Setup guide included

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