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AI agent for contract administrators

Construction Pay-Application Evidence Agent

Payment applications that bill only approved, evidenced work, once.

Construction Pay-Application Evidence Agent: what goes in, what the agent does and what you get

What it does

Construction payment applications sometimes bill the same work twice or include change orders that were never approved. Checking line by line takes the contract administrator hours each month. This agent reads the pay application and reconciles every line against the schedule of values, prior certified amounts and the change register. It links supporting evidence to each line and investigates any discrepancy by amount. Lines that are not supported or not approved are excluded and listed as exceptions with the reason. It then recalculates totals, retention and amount due, and checks that its math ties out before assembling a reviewer workpaper. Certifying progress and approving payment stay with the contract administrator. Edge case: a line billed past 100 percent of its scheduled value is excluded even if evidence exists.

How it works

Follow the arrows from top to bottom. The orange dashed arrow is the loop: when a check fails, the agent goes back and tries again.

Start and resultWhat it doesA check on its own workWaits for your OKGoes back and retries
Yes, continueYes, continueApprovedNoNo 1 STARTS WHEN Pay application submitted 2 USES A TOOL Parse line items and the schedule of values 3 USES A TOOL Reconcile against prior certified values 4 CHECKS THE RESULT Is each line supported and approved? If not: exclude it and add it to exceptions with thereason. Back to step 3. 5 USES A TOOL Recalculate totals and retention 6 CHECKS THE RESULT Do the totals tie to the schedule and priorcertificates? If not: find the line causing the difference andrecalculate. Back to step 5. 7 DOES Assemble the reviewer workpaper 8 YOU APPROVE Contract administrator certifies 9 RESULT Payment-application review bundle
Read the steps as a list
  1. Pay application submitted
  2. Parse line items and the schedule of values
  3. Reconcile against prior certified values
  4. Is each line supported and approved?If not: exclude it and add it to exceptions with the reason. Back to step 3.
  5. Recalculate totals and retention
  6. Do the totals tie to the schedule and prior certificates?If not: find the line causing the difference and recalculate. Back to step 5.
  7. Assemble the reviewer workpaper
  8. Contract administrator certifiesThe agent waits here for your OK.
  9. Payment-application review bundle

How it decides

It investigates discrepancies by amount and excludes unapproved changes.

  • Only approved change orders can be billed.
  • Lines above 100% of scheduled value are excluded.
  • Every included line links to evidence.
  • The agent never certifies or approves payment.

Make it yours

Every agent is a starting point. You choose these settings for your own situation.

  • Retention percentage (default 5%)
  • Evidence required per line type (default: progress photos or delivery records)
  • Tolerance for rounding differences (default $1)
  • Change register and schedule of values sources
  • Workpaper format for the reviewer

What keeps you in control

It always asks you first

  • Certifying progress
  • Approving payments
  • Entitlement

Hard limits

  • No certification.

It stops when

  • Done: reconciled.

Set it up

We guide you through the set-up, step by step

Members get the full set-up guide for this agent. No technical skills needed: you copy, paste and upload.

10 minto set it up in your AI
5 AIsChatGPT, Claude, Copilot, Gemini, Grok
  • One set of instructions to paste into your AI, with the clicks for ChatGPT, Claude, Microsoft 365 Copilot, Gemini and Grok
  • The agent then walks you through connecting your own data, one source at a time
  • A downloadable copy with the flow chart, the rules and the full guide
Get access to this agent

An example run

What happensPay application 7 from the mechanical contractor claims $412,600. The agent finds a line of $18,000 for change order 14, which is still pending, and a ductwork line already billed at 100% in application 6. Both fail the check and go to exceptions. It recalculates the total to $386,250 less 5% retention, confirms it ties to the schedule, and the contract administrator certifies the revised amount.

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