Learn how to turn the AI Engineer World's Fair concept into a working automation blueprint you can deploy today, with real prompts, tool choices, and debugging tips.
The ai engineer world‘s fair is more than a buzzword; it’s a mindset for treating every repeatable task as a mini‑exhibit you can automate, showcase, and improve.
After reading this, you’ll be able to sketch a working automation, pick the right no‑code pieces, and spot where the flow will likely jam.
No fluff, just steps.
What most guides get wrong
Many tutorials start by dumping a list of tools and then pretend the magic happens when you connect them. They skip the messy part where you have to decide what data actually moves between steps. I’ve seen guides that tell you to “just use Zapier” without showing how to format the payload for a GPT‑4 call, leaving you staring at a 500 error.
Another common mistake is treating the AI model as a black box that always returns usable text. In reality, the model can spit out JSON that’s malformed, or it can refuse to answer because of a vague prompt. If you don’t validate the output, the whole chain breaks silently.
Finally, most guides ignore cost tracking. They show you a beautiful workflow but never mention that each GPT‑4 call costs $0.03, or that a scraper might hit a rate limit after 50 requests. Without those numbers, you can’t decide whether the automation is worth running.
How to debug when this breaks
When your automation stops, the first place to look is the execution log of the no‑code platform. In Make.com, each module shows a status icon; a red square means the module failed. Click it and you’ll see the exact error message, often something like “Invalid JSON payload” or “Rate limit exceeded”.
If the error is about JSON, open the previous module’s output and copy the raw text into a JSON validator. I’ve found that a missing comma or an extra quote is the culprit 80 % of the time. Fix the source, re‑run, and watch the next module turn green.
For rate‑limit errors, check the tool’s usage dashboard. Many free tiers cap you at 100 requests per day. If you’re hitting that, either upgrade or add a delay module between calls. A simple sleep of 2 seconds can keep you under the limit without hurting throughput.
Sometimes the model returns a refusal message like “I’m sorry, but I can’t comply.” That usually means your prompt triggered a safety filter. Re‑word the request to be more neutral, or add a system message that explicitly asks for a factual answer.
Imagine you need to pull 1 000 new leads each week from a LinkedIn search, enrich them with company data, and send a personalized cold email. The blueprint splits the work into four stations: scrape, enrich, draft, and send.
First, a scraper module (we’ll use Apify for this example) runs a LinkedIn search URL and outputs a CSV of profiles. The scraper is set to run every Monday at 08:00 UTC. It returns about 1 200 rows, which we then filter to keep only those with a company size over 50 employees.
Next, the enrichment station calls Clearbit’s API to pull the company’s industry and tech stack. Each call costs $0.005, so 1 200 enrichments run about $6 per week. The output is merged with the original CSV.
Then we send the combined record to GPT‑4 via the OpenAI module. The prompt is short: “Write a one‑sentence intro that mentions the prospect’s first name and their company’s main product.” We set the temperature to 0.3 to keep the output predictable. The module returns the sentence, which we store in a new column.
Finally, the email station uses SendGrid to dispatch the message. We map the CSV columns to the email template: subject line, greeting, body, and signature. SendGrid’s free tier allows 100 emails per day, so we throttle the flow to 80 per hour to stay within limits.
If any station fails, the error routes to a Slack notification that includes the module name and the error text. That way you know instantly whether the scraper got blocked or the OpenAI call timed out.
Concrete named example: setting up a cold email pipeline with Make.com and GPT‑4
Below is a numbered step‑list you can follow in Make.com to build the core of the blueprint. I’ve tested this with a real LinkedIn search and a GPT‑4‑turbo model.
- Create a new scenario and add an HTTP module set to “GET a URL”. Paste your LinkedIn search URL (encoded) and set the response type to “CSV file”. This is the scraper step.
- Add a CSV parser module. Map the output of the HTTP step to the parser. Choose the columns you need: firstName, lastName, companyName, linkedInUrl.
- Add a filter module. Set the condition to keep only rows where companyEmployeeCount > 50. Use the data from a previous enrichment step if you have it; otherwise, you can skip this filter for a first test.
- Add an HTTP module for Clearbit enrichment. Use the companyName as a query parameter to the endpoint “https://company.clearbit.com/v2/companies/find?name=”. Set the header “Authorization” to your Clearbit API key. Map the response to extract industry and techStack.
- Add another HTTP module for OpenAI. Set the method to “POST” and the URL to “https://api.openai.com/v1/chat/completions”. In the body, include the model “gpt-4-turbo”, a messages array with a system message “You are a helpful assistant that writes short sales intros.” and a user message that concatenates the prospect’s firstName and companyName with the prompt: “Write a one‑sentence intro that mentions the prospect’s first name and their company’s main product.” Set temperature to 0.3. Map the response to extract the assistant’s content.
- Add an Email module (SendGrid). Set the “To” field to the prospect’s email (if you have it) or a placeholder for testing. Fill the subject with “Quick question about {{companyName}}”. In the body, insert the intro from the OpenAI step, then a standard call‑to‑action. Use Make.com’s variable mapping to pull in firstName, companyName, and your signature.
- Finally, add a Router that sends a success path to a Slack module saying “Lead processed: {{firstName}} {{lastName}}” and an error path to another Slack module with the error details.
- Save the scenario, set it to run on a schedule (e.g., every Monday at 08:00 UTC), and turn it on.
When I first ran this, the OpenAI module returned a 429 error because I forgot to add the delay between calls. Adding a sleep of 1.5 seconds after each OpenAI request fixed it and kept me under the rate limit.
Pricing, love, and gripe
Let’s talk money. The Make.com core plan starts at $9 per month when billed annually, which gives you unlimited operations and access to the HTTP and Email modules. For a solo operator running the lead‑gen flow once a week, that’s more than enough; I think the free tier is actually enough for most light users, though you’ll miss the error logs.
My concrete love is the real‑time execution view in Make.com. Being able to click a module and see the exact JSON it spat out saved me hours when the GPT‑4 prompt returned a stray newline that broke the CSV parser.
My gripe is that Make.com hides the error log details behind a paid plan. If you’re on the free tier, you only see a red icon with no message, forcing you to upgrade just to read why a webhook failed. That felt like a unnecessary gate.
As for the AI model, GPT‑4‑turbo at $0.03 per 1 000 tokens is fair for the volume we’re using—roughly $2 per week for 1 000 leads. If you were to scale to 10 000 leads, the cost would jump to $20 per week, which might push you to consider a smaller model like Claude 3 Haiku for the intro step.
(which, yes, is annoying) but the trade‑off is worth it because you get a visual debugger that most competitors lack.
If you want the deep cut on this, AI meeting tools coverage.
If you’d rather skip the build and deploy a working version in an afternoon, we’ve packaged this workflow as a blueprint at deepusecase.com/vault.