Agents & workflows / PROPOSED CONCEPT
Invoice exception agent.
Three-way match evidence. Line-item discrepancy checks.

The opportunity
A real need.
A considered response.
Invoices become stuck when quantities, prices or goods-receipt records do not agree. A focused agent can assemble the mismatch and its evidence before a reviewer resolves it.
Accounts payable teams and purchasing reviewers.
What would this look like for you?
Ask the architect to connect this concept to your systems, or challenge its assumptions.
The experience
What this could make possible.
Line-item discrepancy checks
Supplier clarification drafts
Payment approval handoff
Read invoice and order records
→Apply deterministic match rules
→Explain the exception
→Send to an authorised reviewer
Under the surface
The engineering
behind the experience.
Architecture is a starting hypothesis. Discovery and representative tests decide what belongs in the first build.
01Architecture to explore+
- Invoice extraction with source coordinates
- Deterministic decimal arithmetic and tolerance rules
- Read-only ERP retrieval
- Approval-scoped exception workflow
02Integration dependencies+
ERP purchase orders, Goods receipt records, Invoice inbox. Confirm access, data ownership, update frequency and failure behaviour during discovery.
03Validation and human control+
Measure false matches, extraction errors and traceability of every proposed correction. No autonomous payments, bank-detail changes or supplier trust decisions.
A useful first step
Start small.
Learn something real.
One supplier and closed historical invoices with known exception resolutions.
Evidence to look for
Measure false matches, extraction errors and traceability of every proposed correction.
A boundary to design for
No autonomous payments, bank-detail changes or supplier trust decisions.
Proposed scope, not a delivery commitment. Data, permissions, operational constraints and sector requirements need review before implementation.
Connected capabilities
AI Agents & Workflow AutomationKnowledge & Document AIBackend, API & Integration EngineeringResearch behind the direction
OECDFinancing SMEs and Entrepreneurs 2026 · Portugal ↗AnthropicBuilding effective agents ↗AnthropicDemystifying evals for AI agents ↗These sources inform technical possibilities. They do not demonstrate a Tomatrix deployment or endorse this proposed product.
From possibility to a conversation
Make this
your starting point.
Add a little context. Preview a practical brief, then keep it for a conversation with Tomatrix.
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Preview your concept brief
PRODUCT EXPLORATION: Invoice exception agent Status: Proposed concept — scope and feasibility to be agreed. Our context: To be discussed. Who this could help: Accounts payable teams and purchasing reviewers. A useful first pilot: One supplier and closed historical invoices with known exception resolutions. What to evaluate: Measure false matches, extraction errors and traceability of every proposed correction. Important boundary: No autonomous payments, bank-detail changes or supplier trust decisions. Integrations to explore: ERP purchase orders, Goods receipt records, Invoice inbox Concept reference: /products/invoice-exception-agent
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