Fine-Tuned Copywriter Agent

Layer 1 · Model

Fine-Tuned GPT-4.1

Supervised training for direct response. Strictly outcome-driven, never sells "a website".

Layer 2 · Trigger

Telegram Trigger

Subscribes to message updates, extracting chat IDs and incoming prompts.

Layer 3 · Guardrail

Command Filter

Strict regex filter: only processes /ask. Casual chat is dropped without burning tokens.

Layer 4 · Delivery

Agent & Reply

AI Agent generates copy and sends formatted message with quote reply to Telegram.

n8n Workflow Execution Canvas

Status: Idle / Ready

Trigger

Telegram Trigger

Updates: message

➔

Filter

If (/ask)

starts with /ask

➔

LangChain Agent

AI Agent

strip /ask & invoke

ft:gpt-4.1-2025-04-14 Simple Memory

➔

Formatter

Code

shape reply payload

➔

Action

Telegram1

sendMessage: message

Telegram Bot Simulator

Command Mode

✍️

Copywriter AI Bot @copywriter_ai_bot

command-based copywriting tool

/ask Write a short cold email to a real estate agent. Do not sell "a website." Position the offer around helping them capture more buyer/seller leads, book more enquiries, and stop losing prospects through a weak online system. Keep it simple, direct, and focused on the business outcome.

11:42 AM ✓✓

Copywriter AI Bot

/ask Write a short cold email to a real estate agent. Do not sell "...

SUBJECT: More viewings booked, no more lost buyers Hi Name, Quick one, your next client is landing on your site before ever picking up the phone. If your online system isn't capturing every lead, you're losing business to agents who've fixed this gap. We make sure you get more calls and bookings, right from your digital first impression. Ten minutes, see what's missing? Book a slot - Your Name

11:42 AM

⚡ Starts with /ask: Valid

Strict Layer 3 Filter

Click to test prompts:

Fine-Tuned Model Identifier

ft:gpt-4.1-2025-04-14:personal:copywriter:BodeCvDG

Succeeded

Job ID ftjob-L1jcZMfBj02UPVJbGCIN70ys

Base Model gpt-4.1-2025-04-14

Suffix copywriter

Trained Tokens 190,521

Hyperparameters Epochs: 3 · Batch: 2 · LR: 2

Data Sharing / Seed Private · 1369770525

Select Example:

10 Chat Pairs Enforcing Style

✓ SUBJECT: Formatted ✓ Outcome Hook ✓ 0 "a website" or "an app" mentions ✓ Low-friction CTA

User Prompt (Training Input)

Assistant Target (Fine-Tuned Output)

[11:42:00] [Telegram Trigger] Received message update from chat 6811413428

[11:42:00] [If] Condition evaluated TRUE: message starts with "/ask"

[11:42:01] [AI Agent] Invoking model ft:gpt-4.1-2025-04-14:personal:copywriter:BodeCvDG...

[11:42:01] [Code] Generated 4 lines, attached reply_to_message_id=1042

[11:42:01] [Telegram1] Dispatched sendMessage to Telegram chat successfully

House Style System Prompt

You are an expert direct-response copywriter. Write short, punchy B2B cold emails and marketing copy. Position the OUTCOME, never the product or deliverables. Never call something 'a website' or 'an app' — sell the business result (more leads, more bookings, fewer lost prospects, higher retained revenue). Format every output with a clear SUBJECT line, a personal greeting, a tight 1-2 sentence hook, 1-2 lines on the solution outcome, a one-line CTA, and sign-off.

n8n Workflow JSON Snippet (AI Agent & Model)

{
  "name": "🧩#128 - Fine-Tuned Copywriter Agent (Telegram Bot)",
  "nodes": [
    { "name": "Telegram Trigger", "type": "n8n-nodes-base.telegramTrigger" },
    { "name": "If", "type": "n8n-nodes-base.if", "parameters": { "conditions": { "leftValue": "={{ $json.message.text }}", "operator": "startsWith", "rightValue": "/ask" } } },
    { "name": "AI Agent", "type": "@n8n/n8n-nodes-langchain.agent" },
    { "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "parameters": { "model": "ft:gpt-4.1-2025-04-14:personal:copywriter:BodeCvDG" } },
    { "name": "Simple Memory", "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow" },
    { "name": "Code", "type": "n8n-nodes-base.code" },
    { "name": "Telegram1", "type": "n8n-nodes-base.telegram" }
  ]
}