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Custodyn

Paid

★ 1 • Updated Aug 20, 2026, 03:24 PM

Custodyn is a commercial agent trust platform that provides runtime security and policy enforcement for AI agents.

Use Cases ▼

Prevent AI agents from deleting production data

Require human approval for financial transactions initiated by AI

Enforce rate limits on agent actions

Block unauthorized outbound network connections from AI agents

Maintain tamper-evident audit logs for compliance

Restrict AI chatbot responses to approved guardrails

Monitor AI coding agents for unauthorized code changes

What Problem It Solves ▼

Custodyn addresses the lack of control and oversight over autonomous AI agents by enforcing policies, requiring human approvals, and recording audit trails for every action, preventing agents from causing financial, operational, or reputational damage.

Key Features ▼

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Supports both SDK and gateway integration

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Provides human approval workflows for risky actions

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Tamper-evident audit trails for compliance

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Includes velocity limits and outbound connection blocking

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Free plan and quick setup available

Overview

Custodyn is a commercial agent trust platform that provides runtime security and policy enforcement for AI agents. It acts as an intermediary between AI agents and external actions, intercepting requests, applying configurable policies, and requiring human approval for high-risk operations. The platform supports an SDK for integration and a gateway mode that requires no code changes.

Full Description ▼

The service maintains tamper-evident audit logs of all agent actions and offers features such as velocity limits, outbound connection blocking, and approval queues. It is designed to prevent incidents like unauthorized database deletions, fraudulent wire transfers, runaway ordering systems, and autonomous code modifications.

Custodyn targets developers and enterprises deploying AI agents in production. It offers a free plan and 14-day trial, with setup claimed to take about five minutes. The homepage lists multiple real-world incidents that the platform could have mitigated.