Whatsapp Personal Agent + With more then 15 Tools

Launch a full-stack AI WhatsApp assistant in minutes—free.
Grab the plug-and-play n8n workflow, import it, and your WhatsApp number suddenly transcribes voice notes, “sees” images, answers with GPT-4o, logs every interaction, and even replies as crystal-clear TTS audio. Need help? Book the optional onboarding call and I’ll wire it all up for you, step-by-step, while you pick my brain on automation strategy.

Besides the WhatsApp agent itself, the template ships with 15+ pre-wired tools—from live web search and crypto quotes to Gmail, Google Calendar, and Notion—so your bot can look up, calculate, log, schedule, email, speak, and think without you writing a single extra node.

📦 What You Get

• Complete n8n workflow (.json)
  – WhatsApp Trigger + multimodal AI Agent + auto-logging + Google Sheets dashboards.
• Multimodal I/O
  – Text, voice, and image messages are all understood and answered.
• Voice Replies
  – Converts GPT output to polished audio (perfect for on-the-go users).
• Personalised AI Agent
  – Pre-configured system prompt for a crypto-savvy personal assistant, plus LangChain memory so each chat feels tailor-made.
• Built-in Tooling
  – Web search, CoinMarketCap prices, Google Calendar & Sheets, calculator, and more—ready to extend.
• Cost & usage tracker
  – Logs every token & dollar to a Google Sheet for instant cost control.
• Lifetime updates (free)
  – Any improvements I ship, you’ll get automatically.

(All nodes, connections, and credentials placeholders are neatly organised—import, map your API keys, done.)

🛠 Requirements

NeedWhyWhatsApp Business Cloud APIReceives & sends messagesn8n instance (self-host/SaaS)Runs the workflowOpenAI API keyGPT-4o, Whisper & TTSGoogle Cloud projectSheets & Calendar (optional)SerpAPI / CMC keyLive web & crypto data (optional)

No worries if any of this looks daunting—that’s exactly what the onboarding call is for.

🎓 Optional Onboarding Call (Paid)

1. 30-minute screenshare – I import the template into your n8n, connect your keys, and test live.
2. Q&A deep dive – Ask anything on n8n best practices, chat-bot flows, or scaling automation.
3. Next-step roadmap – Leave with a clear backlog of enhancements to tackle.

Click “I want this” → choose the FREE template or add the Onboarding Upgrade at checkout.

👤 Who It’s For

• Solopreneurs who want a 24/7 WhatsApp concierge.
• Agencies building AI services for clients—save days of development.
• Indie-hackers validating an idea before writing code.
• Anyone curious about LangChain + n8n + WhatsApp in the real world.

🚀 How to Start

1. Download the .json file instantly after checkout.
2. Import into n8n (Settings → “Import workflow”).
3. Add credentials (WhatsApp, OpenAI, etc.).
4. Switch Active – your number is now an AI! 🎉

Total time: ~10 minutes.

🤔 FAQ

Is the template really free?
Yep. Zero cost forever. The optional call is the only paid piece.

Can I tweak the AI personality?
Absolutely—edit the System Prompt node.

Will this eat my OpenAI budget?
The Google-Sheet cost tracker lets you watch spend in real-time; set token limits or swap in cheaper models any time.

Self-host vs n8n.cloud?
Both work. The template is instance-agnostic.

Do you offer custom builds?
Yes—mention it in the onboarding and we’ll scope a project.

🔧 Built-in Tools & What Each One Can Do

CategoryTool (n8n node)What the Agent Can Do Out-of-the-Box

Generative AIOpenAI Chat (lmChatOpenAi)Draft answers with GPT-4o-turbo (fast + multimodal).

OpenAI Vision (openAi – image/analyze)Understand images users send (describe, extract text, etc.).OpenAI Whisper (openAi – audio/transcribe)Turn voice notes into text automatically.

OpenAI TTS (openAi – audio/generate)Reply with studio-quality speech (voice = “shimmer”).

MemoryBuffer Window (memoryBufferWindow)Keep the last N turns so replies stay context-aware.

Reasoning UtilitiesThink (toolThink)Scratch-pad the model can use to plan before answering.Calculator (toolCalculator)Do any math or unit conversion inside the reply.

Internet & DataSerpAPI Web Search (toolSerpApi)Real-time Google/Bing search results for fresh info.

NOS News Scraper (httpRequestTool)Pull Dutch headlines from nos.nl on demand.

CoinMarketCap Price (httpRequestTool)Fetch live crypto metrics by symbol (BTC, ETH, …).

SamAutomation KB (httpRequestTool)Read articles from your own public knowledge base.

ProductivityGoogle Sheets Tool (googleSheetsTool)Read/write any sheet (logging, CRM, cost tracking).

Google Calendar Tool (googleCalendarTool)Add or look up calendar events for the user.

Gmail Tool (gmailTool)Draft & send emails straight from the chat.Notion Tool (notionTool)Create pages / to-do blocks in any Notion workspace.

Meta-Automationn8n Workflow Tool (toolWorkflow)Trigger other workflows for complex chains.

Transport Layer

WhatsApp Trigger / Send (whatsAppTrigger, whatsApp)Receive every incoming message & reply instantly.

Good to know
• All tools are already referenced in the Agent’s prompt, so GPT knows when and how to call them.
• Swap, rename, or disable any tool node without touching the rest of the flow.

How These Tools Work Together

1. User sends anything — text, photo, or voice — on WhatsApp.
2. The trigger hands it to Whisper / Vision for transcription or image analysis if needed.
3. The LangChain Agent decides which tools to invoke (e.g., “search web”, “get BTC price”, “add event”).
4. Each tool node runs and returns JSON back to the agent.
5. GPT-4o composes a final answer, optionally converts it to TTS, and the WhatsApp node sends it.
6. Every interaction is logged to Google Sheets with cost and token usage.

Instant Benefits

• Multi-skill assistant right out of the box—no stitching APIs yourself.
• Single import: all credentials are exposed as environment variables for easy mapping.
• Extensible: drop in any extra n8n tool, add its name to the prompt, and the agent can use it.
• Cost control: Sheets log shows tokens & dollars per session in real time.

Ready to try it?

Click “I want this”, grab the free JSON, and your new AI concierge will:

• Look up answers, crunch numbers, fetch the news, quote crypto prices,
• schedule meetings, send emails, log every step, and
• even talk back—all from a single WhatsApp number.

Need a hand? Add the Onboarding Upgrade and I’ll connect every key, test live, and answer your automation questions face-to-face.