Leapter

Leapter

Leapter GmbH
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About

Antaeus is a semantic policy engine for developers who need to evaluate human-written rules about language, context, intent, or exceptions. Its open-source Go core and command-line interface load YAML or JSON policy artifacts, validate them against versioned schemas, and run named regression cases. The evaluator returns explicit allow, review, deny, or failure outcomes with policy identity and decision evidence, leaving authentication, authorization, and consequential actions to the application. Developers can run a deterministic, credential-free local workflow or use the experimental hosted dashboard and API to manage policies and evaluate inputs. An experimental OpenAI evaluator is also available. Antaeus is an early-stage project; hosted service capacity is shared and has no production SLA.

About

Leapter is an AI-assisted platform for creating, testing, and running business rules and decision logic. Describe rules in natural language and turn them into visual, executable Blueprints that business experts and developers can inspect and refine together. Teams can test scenarios, review changes, and trace how each decision was reached. Approved logic runs deterministically, with no language model in the execution path: the same inputs and logic produce the same outputs. Connect business logic to applications, AI agents, and automation workflows through APIs and MCP, or export it as JavaScript or Python. Use cases include pricing calculations, eligibility checks, underwriting rules, risk scoring, and policy validation. Leapter helps teams keep business logic understandable, testable, and under human control.

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers building custom content moderation, marketplace listing policies, and applications that evaluate human-written business rules.

Audience

Enterprise business experts, compliance and risk teams, developers, and IT leaders who need to create, validate, and maintain business rules and decision logic, especially in banking, insurance, and enterprise operations.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

Free
The local Go engine is available under the Apache-2.0 license at no charge. Hosted usage includes a shared free allowance of up to 100 completed decisions per day, subject to shared capacity and without a production SLA. Paid usage is available through credit purchases starting at $10; hosted evaluation charges are usage-based.
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Antaeus
antaeus.io

Company Information

Leapter GmbH
Founded: 2025
Germany
www.leapter.com

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Categories

Categories

Integrations

Model Context Protocol (MCP) Not Supported
OpenAI Supported

Integrations

Model Context Protocol (MCP) Supported
OpenAI Not Supported
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