Open-source Agentic AI Tools for Finance and AP Operations.

Built by Auxiliobits engineers. Free to use, fork, and deploy. Every tool in this catalogue is production-grade, MIT licensed, and works with Claude, Gemini, or any LLM your team already uses.

What is AuxiLab

Built for Finance teams. Not general-purpose demos.

The Catalogue

Production-grade tools, ready to deploy.

Plug these into any AI agent to give it Finance domain intelligence — no ERP integration required.

AP Invoice Intelligence

Extract invoice fields, detect duplicates, normalise vendor names, and calculate payment terms.

AP teams • Finance SSCs

Finance Reconciliation

Bank statement matching, GL reconciliation, intercompany balance checking, and month-end close tracking.

Finance Controllers · GBS Centres

Expense Compliance

Policy enforcement, receipt parsing, category classification, and duplicate claim detection. Fully offline

Finance teams · Travel & Expense owners

P2P Matching

Two-way and three-way PO matching, configurable tolerance rules, and mismatch classification.

AP teams · P2P transformation leads

Autonomous multi-step agents that solve real AP and Finance operational problems end to end.

AP Exception Handling

Classifies every exception in your AP queue, assigns resolution paths, and drafts vendor communications.

AP Managers · Shared Services teams

AP Process Discovery

Converts an unstructured AP process description into a structured process map with automation scores and ROI estimates

CFOs · Finance Transformation leads

Vendor Onboarding

Validates vendor document packages for completeness, cross-document consistency, and risk flags

Procurement teams · AP Operations

Payment Run Preparation

Validates a payment batch before execution and produces a CFO-ready authorisation summary

Finance Controllers · Treasury teams

Utilities for engineering teams building and testing agentic AI systems.

MCP Server Scaffolder

pip install auxiscaffold — generates a complete MCP server project from a plain-English description in 90 seconds

AI engineers · Engineering teams on MCP

Agent Evaluation Harness

pip install auxilab-eval — evaluates agentic workflows with five evaluator types including LLM-as-judge.

AI engineers · QA teams

The Catalogue

Production-grade tools, ready to deploy.

Plug these into any AI agent to give it Finance domain intelligence — no ERP integration required.

AP Invoice Intelligence

Extract invoice fields, detect duplicates, normalise vendor names, and calculate payment terms.

AP teams • Finance SSCs

Finance Reconciliation

Bank statement matching, GL reconciliation, intercompany balance checking, and month-end close tracking.

Finance Controllers · GBS Centres

Expense Compliance

Policy enforcement, receipt parsing, category classification, and duplicate claim detection. Fully offline

Finance teams · Travel & Expense owners

P2P Matching

Two-way and three-way PO matching, configurable tolerance rules, and mismatch classification.

AP teams · P2P transformation leads

Autonomous multi-step agents that solve real AP and Finance operational problems end to end.

AP Exception Handling

Classifies every exception in your AP queue, assigns resolution paths, and drafts vendor communications.

AP Managers · Shared Services teams

AP Process Discovery

Converts an unstructured AP process description into a structured process map with automation scores and ROI estimates

CFOs · Finance Transformation leads

Vendor Onboarding

Validates vendor document packages for completeness, cross-document consistency, and risk flags

Procurement teams · AP Operations

Payment Run Preparation

Validates a payment batch before execution and produces a CFO-ready authorisation summary

Finance Controllers · Treasury teams

Utilities for engineering teams building and testing agentic AI systems.

MCP Server Scaffolder

pip install auxiscaffold — generates a complete MCP server project from a plain-English description in 90 seconds

AI engineers · Engineering teams on MCP

Agent Evaluation Harness

pip install auxilab-eval — evaluates agentic workflows with five evaluator types including LLM-as-judge.

AI engineers · QA teams

How to Use

1Browse the catalogue and pick the tool that fits your workflow.

2Clone the repo and follow the README — most tools run with one command.

3Connect to your AI agent, copilot, or existing automation pipeline.

4Use it in production — or fork it and make it your own.

From description to working MCP server in 90 seconds.

Built by Auxiliobits

AuxiLab is the open-source programme of Auxiliobits Technologies — a Finance and AP automation company specialising in Agentic AI and RPA for mid-market enterprises. Every tool in this catalogue is built by our engineers and open-sourced for the community. We use these same tools in the client engagements we run.

If you are looking to deploy any of these tools in a production Finance environment and want support, we can help.

AuxiLab grows with every contribution.

If you are building something in the agentic AI space for Finance use — open a PR. If you find a bug or want to extend a tool, fork the repo and send it back. The catalogue gets better when the community uses it.

About

Business

Engagement models

Core Automation Services

Consulting & Engineering

Free AI Consultation

Services to Departments

Core Automation Services

Assess Your Enterprise Readiness for Agentic Automation

Services to Industries

Services to Departments

Assess Your Enterprise Readiness for Agentic Automation

Insights

Learning

Tools

About

Business

Engagement models

Core Automation Services

Consulting & Engineering

Free AI Consultation

Services to Departments

Assess Your Enterprise Readiness for Agentic Automation

Services to Industries

Assess Your Enterprise Readiness for Agentic Automation

Insights

Learning

Tools

About

Business

Engagement models

Core Automation Services

Consulting & Engineering

Free AI Consultation

Services to Departments

Assess Your Enterprise Readiness for Agentic Automation

Services to Industries

Assess Your Enterprise Readiness for Agentic Automation

Insights

Learning

Tools

Open-source Agentic AI Tools for Finance and AP Operations.

Open-source Agentic AI Tools for Finance and AP Operations.

What is AuxiLab

Open Source

Finance-First

Agent-Ready

The Catalogue

AP Invoice Intelligence

Finance Reconciliation

Expense Compliance

P2P Matching

AP Exception Handling

AP Process Discovery

Vendor Onboarding

Payment Run Preparation

MCP Server Scaffolder

Agent Evaluation Harness

The Catalogue

AP Invoice Intelligence

Finance Reconciliation

Expense Compliance

P2P Matching

AP Exception Handling

AP Process Discovery

Vendor Onboarding

Payment Run Preparation

MCP Server Scaffolder

Agent Evaluation Harness

How to Use

1Browse the catalogue and pick the tool that fits your workflow.

2Clone the repo and follow the README — most tools run with one command.

3Connect to your AI agent, copilot, or existing automation pipeline.

4Use it in production — or fork it and make it your own.

Built by Auxiliobits

AuxiLab grows with every contribution.

Want to see these tools working in a live Finance workflow?

Quick Links

Resources

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working in a live Finance workflow?