Stringline AI
AGENTS ONLINE

PROOF OF WORK

AI agents built inside a real subcontracting company.

Stringline AI builds the estimating, project management, inbox, and billing agents already running inside a real subcontracting company. Real systems doing real work every day. I’ll build the same thing for your business.

See what’s running →

Built in framing. Built to adapt across the trades.

AGENT CONTROLLIVE
SYSTEM STATUSALL AGENTS OPERATIONAL
Estimating AgentACTIVEBidding: 3 jobs
PE AgentACTIVERFI drafted 12min ago
PE AgentACTIVEDaily log queued
Inbox AgentACTIVEInbox: 0 unread
Invoice AgentACTIVEAR pull scheduled 9am
LAST SYNC 00:12 AGOPROD

01 / THE PILEUP

You didn’t build your subcontracting business to answer emails at 9pm.

You’re losing hours every week to work that shouldn’t need you.

Bid invites piling up in your inbox. RFIs going out three days late. Daily logs never getting written. Invoices sitting in drafts. Change orders you meant to send last Tuesday.

Your business is running you instead of the other way around.

I’ve been there. So I built agents to do the work. Then I kept building. Now they’re running my company.

02 / PRODUCTION ROSTER

What’s running right now.

Every one of these is live in production today. Not slides, not a demo, not “coming soon.”

01ACTIVE

ESTIMATING AGENT

Autonomous estimator

  • Reads architectural plans and takeoffs
  • Prices bids with our zzTakeoff assembly library
  • Flags scope gaps and coverage issues before submission
  • Drafts proposals

RESULTBid response time down from days to hours.

02ACTIVE

PE AGENTS

Project engineer per active job

  • Drafts RFIs when field questions come up
  • Tracks submittals against spec requirements
  • Generates COR requests with photo attachments
  • Writes daily logs from field data
  • Sends delay notices with contract citations

RESULTEvery job has a project engineer on shift 24/7.

03ACTIVE

INBOX AGENT

Email triage, 24/7

  • Scans all inbound email every 5 minutes
  • Auto-replies to real human senders
  • Routes GC plans and bid invites to the right agent
  • Flags anything that needs Nate’s eyes

RESULTInbox at zero. Nothing falls through.

04ACTIVE

DAILY LOG AGENT

Field data to formatted logs

  • Pulls field updates from foremen
  • Formats to GC-required templates
  • Attaches photos and delay documentation
  • Sends before end of business, every day

RESULTDaily logs never late. Ever.

05ACTIVE

INVOICE / AR AGENT

Billing on autopilot

  • Pulls billable line items from job records
  • Drafts invoices per GC schedule of values
  • Sends with backup docs attached
  • Follows up on aging AR

RESULTCash flow tightened. AR days dropping.

06ACTIVE

BID BOARD MONITOR

Opportunity scout

  • Watches BuildingConnected and Buildr feeds
  • Filters by scope, geography, and revenue fit
  • Surfaces qualified opportunities to the estimating agent
  • Ignores tire-kickers and mismatches

RESULTNo good bid missed. No time wasted on bad ones.

07IN PROGRESS

QBO RECONCILIATION

Money watchdog

  • Matches bank feeds to QuickBooks entries
  • Flags duplicates, miscodes, and missing bills
  • Drafts reconciliation notes for owner approval
  • Never writes to QBO without a human sign-off

RESULTBooks stay clean. Nothing slips past the ledger.

08ACTIVE

ZZTAKEOFF LIBRARY

Estimating knowledge base

  • Indexes every past bid, plan, and assembly
  • Surfaces prior pricing for similar scopes
  • Feeds the estimating agent faster, more accurate takeoffs
  • Learns from every job that ships

RESULTEstimating gets sharper with every bid.

03 / BUILT IN THE FIELD

Why I can build this for you.

I’m a framer. Twenty years in the trade. I know what your day actually looks like because I’m living the same one.

Most “AI consultants” have never priced a shear wall. They can’t tell a header from a hip. They sell you software and disappear.

I’m building this inside my own company first. Every agent runs on my jobs before it ever touches yours. If it breaks, I feel it. If it saves an hour, I know exactly which hour.

That’s the difference.

03.5 / UNDER THE HOOD

Built on open foundations. Your data. Your keys.

The agents running my company aren’t locked in a black box. They’re built on open-source foundations you can inspect.

When I set this up in your business, we run it on your keys, your data, and your accounts. Not mine.

You don’t rent access. You own the workflow. If we part ways, you keep everything I built for you.

Your keys

OpenAI, Anthropic, Google. Your account, your control.

Your data

Nothing leaves your systems without your approval.

Yours to keep

Every workflow I build is yours. Portable. Documented.

04 / THE OFFER

Get one real AI agent running inside your subcontracting company in 30 days.

Stringline AI starts with one workflow. One bottleneck. One agent built into the part of your business that is costing you time, money, or follow-through.

This is not a course.
Not a demo.
Not AI advice.
It’s a real build inside your actual operation.

01

What you get

  • A workflow audit to find the highest-bleed process
  • One AI agent built for that workflow
  • Integration into your real operating rhythm
  • Team training at go-live
  • 30 days of post-launch tuning and support
02

Best fit for the first sprint

  • Estimating and bid response
  • Inbox triage
  • Project engineer admin support
  • Daily logs
  • Invoice and AR follow-up
03

30-day timeline

  1. Week 1Audit and workflow selection
  2. Weeks 2–3:Build and test
  3. Week 4Launch and train

Investment

Starting at $15,000Initial 30-day sprint
Starting at $2,000/monthOptional ongoing support, tuning, and maintenance after launch

Why this works

I didn’t build this from theory. I built these workflows inside my own construction company first.

Now I build the same kind of systems for other subcontractors.

Book a fit call →

05 / THE FIT

Is this a fit?

✓ This is for you if...

  • You own or run a subcontracting business doing $1M-$10M
  • You have crews on multiple active jobs
  • You’re already using QuickBooks and some kind of PM software
  • You know your business well enough to know what’s broken
  • You want the work to happen in the background, not another app to babysit

× This is not for you if...

  • You’re a one-man show still on paper invoices
  • You’re looking for a website chatbot
  • You want a course to teach you AI. I don’t sell those
  • You’re under $500K a year. The ROI isn’t there yet
  • You’re over $50M. You need a different consultant

06 / HOW WE START

Here’s how we start.

01

A 20-minute call.

You tell me where the work is piling up. I tell you which of my agents would slot in. No pitch. If there’s nothing for you here, I say so.

02

I build the first agent.

Two weeks. One workflow. Live in your business. You keep running the business. I do the plumbing.

03

We stack from there.

Once the first one is working, we add the next. Estimating. PE. Inbox. Invoicing. In whatever order hurts most.

07 / PUT IT TO WORK

Want this running in your business?

Tell me your company name, what state you’re in, and where the work is piling up worst right now.

I’ll get back to you in 24 hours.

No newsletter. Just a reply from me.