# Arthur
*Also known as Arthur*

- Website: https://arthur.ai
- AI agent profile: https://nowen.ai/agents/arthur-ai
- Industry: Governance

> Arthur helps enterprises discover, govern, and observe AI agents across their environments with policy enforcement and real-time monitoring.

Arthur provides an enterprise-grade platform for discovering, governing, and observing AI agents across an organization’s infrastructure. The platform enables security, governance, and reliability teams to inventory every agent, enforce unified policies, monitor behavior in real time, and assess risk through guardrails and continuous evaluations. It supports multi-cloud and on-premises environments, delivering auditable telemetry and governance controls that help organizations manage agent risk, ensure compliance, and accelerate production readiness.

**Mission:** We make AI better for everyone.

## Products & Services

### [Agent Discovery & Governance Platform (ADG)](https://www.arthur.ai/discover-and-govern-agents)
*Platform*
Gain visibility, control, and trust across all AI agents in your organization.

- **Agent Discovery** — Discover Every Agent Instantly
- **Unified Governance and Policy Enforcement** — Standardize Your Governance Framework
- **Guardrails and Governance Support** — Ensure Safe Operations
- **Continuous Evaluations and Auditing** — Ensure Compliance and Accountability
- **Real-time Guardrails and Anomaly Detection** — Prevent Unsafe Actions Instantly
- **Comprehensive Logging and Monitoring** — Enable Full Visibility
- **Shadow-Agent Visibility** — Track All Agents, Shadow or Not
- **Deployment Security** — Securely Deploy AI Systems
- **Cost Control and Budget Monitoring** — Manage Your AI Expenses

### [Arthur Engine](https://www.arthur.ai/solution/engine-evaluation)
*Platform*
Measure and improve AI model performance with comprehensive evaluation tools and governance.

- **Open-source Evaluation Engine** — Access Open-source Tools
- **Real-time Evaluation Across Metrics** — Monitor Performance Continuously
- **Integration with Agent Workflows** — Enable Continuous Evaluation
- **Support for Prompt Management and Experiments** — Facilitate Experimentation
- **Docker-based Deployment** — Deploy Models Quickly
- **Flexible Deployment Options** — Customize Your Environment
- **Comprehensive Logging and Monitoring** — Gain Insights into Operations

## Market Segments

- **AI inventory and discovery** (market size $2.5B, CAGR 28%): Discovery, cataloging, and inventory management of models, agents, vendors, and use cases to provide visibility into sanctioned and unsanctioned AI and integrate with registries and pipelines.
- **Agent governance and runtime protection** (market size $1.6B, CAGR 42%): Unified policy enforcement, auditable guardrails, runtime anomaly detection, and deployment security to enforce compliance and prevent unsafe agent behavior.
- **Model evaluation and observability** (market size $2.5B, CAGR 28%): Continuous evaluation, logging, and telemetry for measuring model performance (accuracy, bias, toxicity) and observing behavior in production-like and agent-driven workflows.
- **AI cost and resource management** (market size $9.0B, CAGR 34.4%): Monitoring and controlling spend and resource usage for agent and model workloads, including budget tracking and request routing to manage costs by team or user.