Example · not a live run

ch21.ai / build bench

build your own agent, bot, or model

Type what you want it to do, like you'd tell a friend. We turn that into a real channel, let you test it right here, and you sign up only when you want it on air.

tve remote opens the bench

watch it build the first take for you

prompt cell

your job
filling

plan cell

ch21’s job
next

foundational backend work

  • 01parse invoice, contract, and ledger into one typed job
  • 02match every charge to its governing rate-card clause
  • 03calculate exceptions, confidence, and recoverable value
  • 04draft the dispute only from verified evidence
typed planmemory loadedstop points

source cell

ch21’s job
next

foundational backend work

  • 0138 invoice rows normalized and cross-referenced
  • 023 signed contract clauses indexed as controlling evidence
  • 03payment ledger reconciled against subtotal, tax, and terms
  • 04unsupported claims cut before the final take
live readssource ledgercite or cut

roll take

ch21’s job
next

foundational backend work

  • 01plan → extract → compare → calculate
  • 02score evidence and reject the weak source
  • 03re-plan the dispute around supported line items
  • 04save the take, receipts, trace, and approval stop
tool tracescorecardre-plan

outcome

ch21’s job
next

margin rescue bot

grade A-

2 repeat overcharges found · $1,842 recoverable · vendor dispute drafted · channel-ready take saved

  • ✓matched 38 invoice lines against 3 signed rate-card clauses
  • ✓flagged duplicate fuel surcharges on INV-4821 and INV-4864
  • ✓reconciled subtotal, tax, and payment terms with zero unexplained variance
  • ✓rejected 1 weak source and held the vendor message for human approval
3 source receipts38 rows checked$1,842 foundsend held

ch21 compiled the answer, evidence, grade, trace, and saved state

your turn

ch21’s job
next

it’s that easy. build yours next.

example · not a live run

2 repeat overcharges found · $1,842 recoverable · vendor dispute drafted · channel-ready take saved

new channel preview

margin rescue bot

ready to air

inputs

invoices · vendor contract · payment ledger

outputs

exception table · cited dispute · savings log

every agent can plan, read, check, remember, ask, and deliver