Custodyn
Runtime Trust for AI Agents
Custodyn launched on August 3, 2026 with 3 votes, #2,940 of 23,274 launches that month and more than 50% of that year's launches.
What it does
AI agents can send emails, execute shell commands, access production systems, and call APIs—but most teams have no runtime control once an agent starts acting. Custodyn is the runtime trust layer for AI agents, enforcing policies before execution with allow/block rules, human approvals, tamper-evident audit trails, and an instant kill switch. Open-core with MIT-licensed Python and JavaScript SDKs, plus a free cloud platform to get started today. Built for OpenClaw, CrewAI, LangChain, MCP etc.
Policy enforcement, human approvals, and tamper-evident audit logs for every AI agent action. Stop runaway agents before they cause real damage.
Custodyn sits between your AI agents and the real world — intercepting every action, enforcing your policies, and requiring human approval before anything dangerous executes. Every one of these happened because an AI agent had no trust layer. No policies. No approval gate. No audit trail. Custodyn was designed by someone who spent years finding ways to break into systems — and who watched AI agents gain the kind of unchecked access that used to take weeks to exploit. Every policy engine decision, every audit log, every block was built with an attacker's mindset. Connect in 30 seconds. Every agent action passes through Custodyn before it reaches the real world. No credit card required to…from custodyn.app
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