💬 Claude 3.7 Sonnet AI chatbot agent with Anthropic web search and think functions

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Description

This workflow builds a conversational AI chatbot agent using Claude 3.7 Sonnet model with the new . It enhances standard LLM capabilities with Anthropic’s features: Web Search and Think:

• Real-time web search, to answer up-to-date factual queries.
• A “Think” function, to support internal reasoning and memory-like behavior by Anthropic.
• A memory buffer, allowing the agent to maintain conversation history.
• A system prompt defining clear ethical, functional, and formatting rules for interaction.

When a user sends a message (trigger), the chatbot evaluates the query, optionally performs a web search if needed, processes the result using Claude, and responds accordingly.

✅ Advantages

• 🧠 Enhanced Reasoning Abilities The Think tool allows the agent to simulate deep thought processes or contextual memory storage, improving conversational intelligence.

• 🌐 Real-Time Knowledge via Web Search The integrated web_search tool enables the agent to fetch the latest information from the internet, making it ideal for dynamic or news-driven use cases.

• 🧾 Contextual Responses with Memory Buffer The inclusion of a memory buffer allows the agent to maintain state across messages, improving dialogue flow and continuity.

• 🛡️ Built-in Ethical Guidelines The system prompt enforces privacy, factual integrity, neutrality, and ethical response generation, making the agent safe for public or enterprise use.

How It Works

1. Chat Trigger: The workflow begins when a chat message is received via a webhook. This triggers the AI Agent to process the user’s query.
2. AI Agent Processing: The AI Agent analyzes the query to determine if it requires information from the website or external sources. It follows a structured approach:
   • For website-related queries, it uses the provided context.
   • For external information, it employs the web_search tool to fetch up-to-date data from the internet.
   • The Think tool is used for internal reasoning or caching thoughts without altering data.
3. Language Model: The Anthropic Chat Model (Claude 3.7 Sonnet) generates responses based on the analyzed query, incorporating website context or web search results.
4. Memory: A simple memory buffer retains context from previous interactions to maintain continuity in conversations.
5. Output: The final response is delivered to the user, excluding internal processes like web searches or reasoning steps.

Set Up Steps

1. Configure Nodes:

   • Chat Trigger: Set up the webhook to receive user messages.
   • AI Agent: Define the system message and rules for handling queries.
   • Anthropic Chat Model: Select the Claude 3.7 Sonnet model and configure parameters like maxTokensToSample.
   • Memory: Initialize the memory buffer to store conversation context.
   • Tools:
     • web_search: Configure the HTTP request to the Anthropic API for web searches, including headers and authentication.
     • Think: Set up the tool for internal reasoning.

2. Connect Nodes:

   • Link the Chat Trigger to the AI Agent.
   • Connect the Anthropic Chat Model, Memory, and Tools (web_search and Think) to the AI Agent.

3. Credentials:

   • Ensure the Anthropic API credentials are correctly configured for both the chat model and the web_search tool.

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🔗 Nodes Used

AI Agent, Anthropic Chat Model, Simple Memory, Chat Trigger, Think Tool

📥 Import

Download workflow.json and import into n8n: Workflow menu → Import from File

📖 Importing guide · 🔑 Credential setup