Minimalist AI stack - replacing 12 AI tools with 3 main ones

I audited an automation setup last month that was paying for 12 different AI subscriptions.

It was an operational nightmare.

They had 3 vector database tools, 2 AI writing apps, a scraper service, a video repurposer, and a separate webhook monitoring dashboard

The founder was spending $650 a month on software.

Yet every time an API key rotated or an endpoint changed its JSON payload, the entire client pipeline broke for 3 days

The founder thought adding more software made the operation look advanced.

In reality, they were just multiplying the surface area for failure.

Every tool in a production stack is an ongoing operational liability: It requires error handling, authentication refreshes, and weekly monitoring.

Amateurs collect tools. engineers strip away dependencies until there is nothing left to break.

When I design a solo automation stack today, I limit myself to 3 load-bearing layers:

Deterministic routing: I use n8n for all triggers, webhook routing, and database writes. If a task has clear business rules, it belongs on a hardcoded track. I never split orchestration across multiple no-code tools
Model gateway: Instead of managing separate billing accounts and rate limits across OpenAI, Anthropic, and Google, I route all LLM traffic through openrouter or agent skills to Composio. 1 API key, 1 balance sheet, and automatic model failover when an endpoint goes down
Distribution hub: For social publishing and video clipping, I feed raw recordings straight into blotato. 1 tool handles vertical cuts, styled subtitles, and predefined calendar slots so I don't manage 4 separate social media dashboards

That is the entire infrastructure.

3 dedicated tools replacing a fragile web of 12 disconnected subscriptions.

My monthly software bill dropped from $650 to under $180, and weekend maintenance calls dropped to zero.

How many software subscriptions are you currently paying for, and which one would actually stop your business if it went down tomorrow?

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Minimalist AI stack - replacing 12 AI tools with 3 main ones

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