# Preloop > Human-in-the-loop approval platform for AI agents with MCP proxy, tool management, and team-based workflows. Preloop is a human-in-the-loop approval platform designed for AI agents and agentic workflows. It provides MCP proxy and tool management capabilities, enabling teams to maintain control and oversight over AI-driven processes. The platform supports both self-hosted and cloud-hosted deployments, making it flexible for various organizational needs. **Key Features:** - **MCP Proxy & Tool Management** - Centralized management of Model Context Protocol tools and proxies for AI agent workflows - **Human-in-the-Loop Approvals** - Single-user and team-based approval systems with quorum support for critical decisions - **CEL Conditional Approvals** - Define conditional approval rules using Common Expression Language for automated decision routing - **Approval Escalation** - Automatic escalation workflows when approvals are not addressed in time - **Vector Search & Duplicates** - Built-in vector search capabilities to identify duplicate requests and similar patterns - **Agentic Flows** - Support for complex agentic workflows with multiple steps and decision points - **Issue Tracker Integration** - Connect with existing issue tracking systems for seamless workflow integration - **Multi-Channel Notifications** - Email, mobile, Slack, and Mattermost notifications to keep teams informed - **RBAC & Team Management** - Role-based access control for managing team permissions and responsibilities - **Audit Logging** - Comprehensive audit trails for compliance and governance requirements - **Enterprise Security** - SSO, OIDC, and SCIM support for enterprise deployments To get started, users can deploy the open-source version via GitHub for self-hosted environments or sign up for the cloud-hosted Teams plan with a 30-day free trial. The platform integrates with existing development workflows and supports various notification channels to ensure timely approvals. ## Features - MCP proxy & tool management - Single-user approvals - Team-based approvals with quorum - CEL conditional approvals - Approval escalation - Email & mobile notifications - Slack & Mattermost notifications - Issue tracker integration - Vector search & duplicates - Agentic flows - RBAC & team management - Audit logging - SSO, OIDC, SCIM support - Self-hosted deployment option - Cloud-hosted managed deployment ## Integrations Slack, Mattermost, Issue trackers, Email, Mobile notifications ## Platforms WEB, API ## Pricing Freemium — Free tier available with paid upgrades ## Links - Website: https://preloop.ai - Documentation: https://docs.preloop.ai/ - EveryDev.ai: https://www.everydev.ai/tools/preloop