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Edition 07 · Free PDF · Convert

Set Up Your Own AI Agent

A no-code guide to running an AI agent on your own machine with Hermes — what you need, what it costs, and the one job to start with.

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11 pages 11 min read A4 print-ready Free PDF

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You've read about AI agents. Now you want to build one. This 11-page guide walks you through setting up Hermes (an open-source AI agent that runs on your own computer) from scratch: the install, the first health check, your first scheduled job, connecting it to your email and calendar, and the guardrails that keep it from sending the wrong thing or running up a bill.

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What's inside

9 sections, 11 pages.

  1. Not a chatbot — a colleague that works the night shiftThe difference between a chatbot and an agent in one sentence: a chatbot waits for you; an agent shows up for work.
  2. What you need before you startA computer, an internet connection, and 30 minutes. No coding background required. The guide lists exactly what to have ready before you start.
  3. The install, in plain EnglishOne command or a desktop app. The setup wizard asks three questions and stores the answer on your machine. Your data never leaves the building.
  4. Your first agent: one job, on a scheduleA daily inbox summary that runs at 8am every weekday. The guide walks through the whole build — from 'what is a schedule' to 'it just worked'.
  5. Connecting it to the tools you already useEmail, calendar, file storage. The guide explains how to connect each one and what permissions to give (and which ones to withhold until you trust the output).
  6. What it costs, honestly£3–10/month for light use. £10–40/month for moderate use. The computer is one you already own. The guide includes a cost comparison table and a spending cap walkthrough.
  7. What can go wrong, and the guardrailsFour failure modes: wrong output, unexpected bills, silent failure, output drift. Each one gets a specific guardrail. The guide explains how to set them up in five minutes.
  8. When to do it yourself, and when to call usIf you can follow written instructions and the job is low-risk, do it yourself. If it touches customers or money, or needs three systems connected, get help. Both are sensible.
  9. The first-week checklistNine checks for your first week. Did it run? Did it produce output? Did the output make sense? Did it stay within budget? The checklist fits on one page.
Common questions

Questions this guide answers.

How do I set up an AI agent on my own computer?
Install Hermes (one command or a desktop app), run the setup wizard (it asks which AI provider you want to use and stores the key locally on your machine), and run the first health check (it confirms the agent can reach the model and reply). The whole process takes 30–60 minutes. The guide walks through each step in plain English without assuming you've used a terminal before.
Can non-technical people set up an AI agent?
Yes, for simple tasks. If you can follow written instructions and the job is low-risk (drafts and summaries, not sending emails or spending money), you can set up a basic agent in an afternoon. The guide includes a first-week checklist and a worked example: a daily inbox summary that runs every weekday at 8am. If the job touches customers or money, or you need it connected to three or more systems, get help — both are sensible choices.
What is Hermes AI agent?
Hermes is an open-source AI agent that runs on your own computer. Unlike cloud AI services, your data stays on your machine. You give it a job in plain English, set a schedule, and it runs without you opening a window. It can read your email, check your calendar, summarise documents, and draft replies — all on a schedule you choose. The guide explains how to install it and configure your first job.
How much does it cost to run an AI agent?
For light use (a daily summary, a weekly report), expect £3–10/month in AI model costs. For moderate use (multiple daily tasks, email drafting), £10–40/month. The computer it runs on is usually one you already own. The guide includes a cost comparison table and explains how to set a monthly spending cap so the agent can't run up a surprise bill.
Is it safe to run an AI agent on my business computer?
It's as safe as the permissions you give it. The guide covers four failure modes (wrong output, unexpected bills, silent failure, output drift) and the containment for each. The key rule: for the first two weeks, have the agent draft only and send the draft to you. Don't let it act on your behalf until you trust the output. The guide also explains how to set a spending cap at the AI provider level.

Other guides in the series

01Where AI Actually Helps 02The 30-Day AI Pilot 03Your Data, Your Rules 04Writing AI Instructions That Actually Work 05The AI Vendor Interrogation Kit 06Your First AI Employee 07Set Up Your Own AI Agent (this guide) 08Is This Worth Doing? 09Build the Thing 10Get Found 11Get the Conversation 12Close the Deal

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