A field guide · for the PriceMart team Edition 03 · 2026
A friendly small round robot character sitting on the floor reading an open field guide, with soft pastel pattern cards floating across the scene.
An illustrated field guide

Business agents,
in plain English.

What they are, how they work, what they actually look like in production, and how to pick the one you should build first. Skim the pictures. Read the parts that catch you.

Chapter 01

The anatomy every agent shares

Strip away the marketing language and every working business agent has the same five parts. If you can describe these five things for one of your own tasks, you have an agent spec.

A worked example

Daily revenue snapshot agent

Trigger
Every weekday at 07:30
Read
sales.daily_agg, sales.hourly_live, same weekday last year
Guard
Skip if rows(yesterday) < 70% of expected
Compute
Revenue Δ, orders Δ, AOV Δ vs LY
Post
→ Slack #finance with a formatted snapshot
Chapter 02

Pick the right first agent

Most projects fail because the first agent was the wrong agent. Plot your candidates on effort vs value and start in the top-right quadrant.

An illustrated 2x2 effort-vs-value matrix with the Build First quadrant highlighted in mint and the friendly robot pointing to a star.

Repetitive

It happens at least daily and the answer is roughly similar each time.

Clean data

The inputs already live somewhere accessible. Don't fix data pipelines and build agents in the same project.

Safe to fail

A wrong output causes embarrassment, not financial or legal harm.

Measurable

You can count the hours per week it saves, in numbers, by the end of month one.

Chapter 03

Twelve patterns, one anatomy

The same five-part shape, applied to the jobs that actually move the needle in a small business. Pick the row that sounds most like your week.

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Customer-facing

Where the inbox meets the brand voice

Agents that read, classify, draft, and never close a ticket on their own.

Support ticket triage

Read every new ticket, route it by topic, and draft replies to the easy ones.

InboxAgentDrafts
EffortLow ValueHigh

Returns & refund classifier

Sort returns by reason, flag the suspicious ones, surface trends to the buyer.

ReturnsAgentTags + alert
EffortLow ValueHigh

Review & NPS responder

Watch reviews, draft a calm reply to negatives, summarise themes weekly.

ReviewsAgentDrafts
EffortLow ValueMid
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Operations

Numbers that watch themselves

Quiet daily reports, anomaly nudges, and the boring rituals that compound.

Daily revenue snapshot

Yesterday's numbers, vs last year, with one clear sentence on why.

Sales DBAgentSlack
EffortLow ValueHigh

Inventory watchdog

Spot SKUs about to stock out, surface a tight shortlist to purchasing.

Stock + salesAgentShortlist
EffortMid ValueHigh

AR / collections chaser

Draft polite reminders for overdue invoices on a quiet schedule.

InvoicesAgentEmail drafts
EffortMid ValueHigh

Metric anomaly detector

Notice when a number drifts outside its normal band, name it in plain English.

WarehouseAgentAlert
EffortMid ValueHigh
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Marketing

The drafting partner, not the creative

Agents are bad at taste and great at watching, drafting, and summarising.

Ad ops monitor

Watch ROAS and spend, flag the campaigns that drifted overnight.

Ads APIAgentSlack
EffortMid ValueMid

Competitor watcher

Notice price, copy, and PDP changes on a curated list of rivals.

ScrapeAgentDigest
EffortMid ValueMid
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Internal leverage

The team's invisible note-taker

Turn meetings, documents, and policies into shared, searchable artefacts.

Meeting to action items

Turn a transcript into a short shared note: decisions, owners, deadlines.

TranscriptAgentDoc
EffortLow ValueMid

Compliance reviewer

Pre-flight check a document against a policy and flag the gaps.

DocAgentReview
EffortMid ValueMid
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Founder & executive

One short note before the day starts

The agent reads the whole company and hands you a single page each morning.

Daily briefing

One short morning note: yesterday's numbers, today's calendar, this week's risks.

All of itAgentEmail
EffortMid ValueHigh
Chapter 04

Five questions before you build

Run your shortlist through these, in order. Stop at the first "no" and pick a different candidate.

1

Does this task happen at least 3 times a week?

If no → reconsider. The win compounds with frequency. Once-a-month tasks rarely justify the build.

2

Can I describe the data sources in one sentence each?

If no → the data isn't ready. Fix the data plumbing first as its own project.

3

If the agent gets it wrong, is the fallout recoverable in under an hour?

If no → skip for the first agent. Build something where embarrassment is the worst case.

4

Can I write the exact format of what the agent outputs?

If no → you're not ready. If you can't describe the output, you don't know the task well enough to delegate it.

5

Will I know in week one whether it's working?

If no → measure first, build later. Most agent failures are actually measurement failures.

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Chapter 05

Four ways agents fail

The same four mistakes account for most failed agent projects. Knowing them up front is worth more than another tutorial.

Pitfall 01

Building "an AI for the business"

Pick a narrow, scheduled, boring task first. The owner who tries to build one intelligent assistant that does everything ships nothing.

Pitfall 02

Skipping the guard

The agent will run on a day when its inputs are missing. Without a guard it publishes garbage with full confidence.

Pitfall 03

No measurement plan

"It feels useful" is not a result. Decide on day one how you'll measure hours saved or money moved by week four.

Pitfall 04

Letting it autonomously act

For agent #1, the agent always drafts and a human always approves. Earn the trust over weeks, not hours.

Four warning vignettes illustrating the most common ways agent projects fail.
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A working agent is a scheduled task with a clear input, a guard, and one output channel.

Everything else is decoration. If you can describe one of those for your business by tonight, you're closer to shipping than 90% of operators talking about AI.