Insights 15 articles · ad automation, AI agents, MCP, cloud

Ad automation and AI engineering, explained.

Practical articles on bulk campaign upload, retail media, ACoS and TACoS, AI agents, MCP servers, custom software and cloud engineering. Each answers one question a buyer or engineer asks before a demo, and says what we know and what we do not. RSS feed

By The Vexio team Updated 14 October 2026

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Retail media · 14 Oct 2026 · 9 min

What Is Retail Media Advertising? Formats and Measurement

Retail media is advertising sold by retailers using first-party shopper data, on their own sites, off-site and in store. Formats, networks, closed-loop measurement and why comparing results across retailers is hard.

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AI agents and MCP · 14 Oct 2026 · 9 min

What is an MCP server? A plain-English explanation

An MCP server lets an AI assistant reach a system it cannot see on its own. See what it exposes, how a tool call flows, how local and remote servers differ, and what the specification says about security.

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AI agents and MCP · 14 Oct 2026 · 10 min

MCP vs REST API: Differences and When to Use Each

Keep the REST API for developers and add an MCP server when AI applications need to use the system. A short decision table, the differences in discovery, errors and transport, a worked example and a design checklist.

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Cloud and DevOps · 14 Oct 2026 · 9 min

Marketing ETL Explained: Pipelines, ELT and Build vs Buy

What marketing ETL means, why advertising data needs more care than ordinary ETL, how ETL differs from ELT, typical sources and destinations, a pipeline checklist, and how to decide between building and buying.

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Cloud and DevOps · 14 Oct 2026 · 10 min

Idempotent Ad Reporting Pipelines: Backfills and Late Data

How to make ad reporting loads safe to retry: natural keys, MERGE versus partition overwrite in BigQuery, re-pulling restated and late-arriving data, a loaded-dates ledger, backfills within API limits, and retries.

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Custom software · 14 Oct 2026 · 9 min

How to choose an AI agent development company

A buyer's checklist for hiring an AI agent development company: six things to ask for in the first call, a score sheet, questions on evaluation, security and IP, red flags, and how to scope a pilot.

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Cloud and DevOps · 14 Oct 2026 · 11 min

Google Ads to BigQuery: transfer service, API or connector?

Three ways to load Google Ads data into BigQuery: the Data Transfer Service, a custom pipeline on the Google Ads API with GAQL, or a third-party connector. When each fits, plus reporting lag and conversion delay.

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Ad automation · 14 Oct 2026 · 10 min

Google Ads Editor Alternative: Bulk Upload, Scripts, API

Four official ways to change many Google Ads items at once, compared on stated limits, validation, error handling and review: Google Ads Editor, web bulk upload, scripts and the Google Ads API, with a decision table.

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Custom software · 14 Oct 2026 · 9 min

Data engineering services: what you get and how to buy

What you receive when you buy data engineering services, what an engagement should cover, the common ways to buy it, how to evaluate a provider, and what vendor documentation says about warehouses, orchestration and security.

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Custom software · 14 Oct 2026 · 10 min

Custom AI agent development: process and cost factors

The factors that drive the cost of custom AI agent development, how tool-calling loops and token pricing affect run cost, the six phases from scoping to operation, and how to estimate run cost from your own prototype.

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AI agents and MCP · 14 Oct 2026 · 8 min

Build an MCP Server in TypeScript (Tested Step by Step)

A tested tutorial for building an MCP server in TypeScript with the official SDK: define a tool with Zod, serve it over stdio and Streamable HTTP, test it with the Inspector, register it in Claude Code, and see what to add before production.

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Ad automation · 14 Oct 2026 · 10 min

Amazon SP-API vs Amazon Ads API: Which Data Is Where

The Selling Partner API covers orders, inventory and sales reports; the Amazon Ads API covers campaigns and ad performance. Who can use each, how authorization differs, how SP-API reports work, and how to join them for TACoS.

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Retail media · 14 Oct 2026 · 8 min

Amazon DSP Explained: Access, Audiences and Reporting

Amazon DSP is Amazon Ads' programmatic buying product, which Amazon says has evolved into Amazon Ads Agent. How it differs from sponsored ads, who can use it, what Amazon states about fees and minimums, and how reporting works.

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Ad automation · 14 Oct 2026 · 11 min

Amazon Ads API Reporting: Profiles, Auth and Limits

How Amazon Ads API reporting works: authorization with Login with Amazon, profiles and headers, the create, poll and download flow, version 3 versus Reporting v1 and Marketing Stream, limits, throttling and data freshness.

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Glossary · 14 Oct 2026 · 8 min

ACOS vs TACoS: Formulas, Definitions and an Example

ACOS measures how efficient ads are on the sales they get credit for. TACoS measures ad spend against all sales. Formulas, a worked example with made-up numbers, and how attribution windows and halo sales change both.

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