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About

Cerbos is an authorization management platform for defining, deploying and evaluating access-control policies across applications and services. Developers can use its policy decision point (PDP) to evaluate authorization requests, while teams author and manage policies for role-, relationship- and attribute-based access control. Cerbos supports local, self-hosted and cloud-based workflows, with policy testing, observability and audit information for reviewing authorization decisions. Cerbos Hub provides a managed environment for organizing and distributing policies, and the open-source Cerbos PDP can be deployed alongside application workloads. The platform is intended for engineering, security and product teams that need consistent, fine-grained authorization for users, services and other identities across distributed systems.

About

Preloop is the open source AI agent control plane for agents that take real actions. It combines an MCP firewall for tool access, an AI model gateway for cost, safety, and attribution, policy-as-code with human approvals, runtime session observability, and audit trails in a single self-hostable platform. AI agents can deploy code, change infrastructure, move money, touch production data, and burn model spend in seconds, so Preloop helps teams control what agents can do, how much they spend, and which actions require human approval. It works with OpenClaw, Hermes, Claude Code, Codex CLI, Cursor, Gemini CLI, Windsurf, Cline, OpenCode, and any MCP-compatible agent or managed runtime. Access rules can inspect arguments and context, not just tool names, with CEL expressions for fine-grained conditions. Teams can start with observability, then layer in approvals and deny rules without SDKs or invasive app changes.

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 Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Engineering, security and product teams that need fine-grained, auditable authorization across applications, gateways, workloads and AI agents.

Audience

Platform, DevEx, security, and operations teams that need to govern production AI agents, control tool access, approve risky actions, and maintain audit-ready visibility

Support

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

Support

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

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$25/month
The open-source Cerbos PDP is free forever. Cerbos Hub Proof of Concept is $0/month for up to 100 monthly active principals. Development starts at $25/month and includes the first 100 monthly active principals; a three-month free trial is offered. Production starts at $933/month and includes the first 5,000 monthly active principals. Enterprise plans have custom pricing.
Free Version Supported
Free Trial Supported

Pricing

$290 per month
Free Version Supported
Free Trial Supported

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

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 Supported
In Person Supported

Training

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

Company Information

Cerbos
Founded: 2021
United Kingdom
www.cerbos.dev

Company Information

Preloop
United States
preloop.ai/

Alternatives

Alternatives

Tuning Engines

Tuning Engines

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Cedar

Cedar

Amazon
OpenFGA

OpenFGA

The Linux Foundation
BAND

BAND

BAND.ai

Categories

Categories

Agentic AI Supported
AI Control Planes Supported
AI Governance Supported

Integrations

Model Context Protocol (MCP) Supported
Amazon Bedrock Not Supported
Apache Kafka Supported
Claude Code Not Supported
Cline Not Supported
Codex CLI Not Supported
Cursor Not Supported
Envoy Supported
Gemini CLI Not Supported
Hermes Not Supported
Mattermost Not Supported
OpenClaw Not Supported
OpenCode Not Supported
Slack Not Supported
Trino Supported
Windsurf Browser Not Supported
YAML Not Supported

Integrations

Model Context Protocol (MCP) Supported
Amazon Bedrock Supported
Apache Kafka Not Supported
Claude Code Supported
Cline Supported
Codex CLI Supported
Cursor Supported
Envoy Not Supported
Gemini CLI Supported
Hermes Supported
Mattermost Supported
OpenClaw Supported
OpenCode Supported
Slack Supported
Trino Not Supported
Windsurf Browser Supported
YAML Supported
Claim Cerbos and update features and information
Claim Cerbos and update features and information
Claim Preloop and update features and information
Claim Preloop and update features and information