checkmarble/marble

What is it?

Key features

• 01Real-time or post-trade transaction monitoring with a custom data model.
• 02Customer and company screening against sanctions, PEP and adverse media lists.
• 03Continuous monitoring of customers against chosen lists.
• 04Unified case manager for investigating and annotating alerts.
• 05Searchable, unalterable audit logs for rules, workflows and case actions.
• 06Role-based access control, OIDC single sign-on and IP whitelisting.

Use cases

• Building transaction monitoring rules for a fintech or bank's payment flows.
• Screening customers and payments against global sanctions and PEP lists.
• Running a self-hosted fraud and AML platform where data must remain on-premise.
• Investigating alerts collaboratively in a single case management interface.

Quick start

1. 1

   Clone the repository

   git clone <repository-url>
2. 2

   Copy the example environment file

   cp .env.dev.example .env.dev
3. 3

   Start Marble with Docker Compose

   docker compose -f docker-compose-dev.yaml --env-file .env.dev.example up

Things to know

• !Requires Docker, Docker Compose, at least 4GB RAM and 10GB of disk space.
• !The license is not clearly identified (listed as NOASSERTION), so check its terms before use.
• !Marble does not provide KYC services, so you must integrate a separate provider.
• !Enterprise features are only available under a licensed option.

In collections

Topics

FAQ

What is marble?

Open-source real-time decision engine for fraud detection and AML compliance, covering transaction monitoring, screening and case investigation. Marble is a decision engine for fraud and anti-money-laundering (AML) teams. It lets compliance and risk staff build transaction monitoring rules on a custom data model, screen customers and companies against sanctions, PEP and adverse media lists, and work alerts in a unified case manager.

Is marble free to use? What license does it have?

marble is open source under the Other license. Check the license terms before using it in commercial products.

Is marble still maintained?

Actively maintained. The last commit to marble was on Oct 22, 2026.

What can I use marble for?

Building transaction monitoring rules for a fintech or bank's payment flows. Screening customers and payments against global sanctions and PEP lists. Running a self-hosted fraud and AML platform where data must remain on-premise. Investigating alerts collaboratively in a single case management interface.

How do I install marble?

Clone the repository: git clone <repository-url> Copy the example environment file: cp .env.dev.example .env.dev Start Marble with Docker Compose: docker compose -f docker-compose-dev.yaml --env-file .env.dev.example up

Where can I get marble?

The source code and installation instructions are on GitHub: https://github.com/checkmarble/marble