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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.
Hi everyone 👋
I'm Atul, the creator of Custodyn.
I spent years working in offensive security and noticed the same pattern every time AI agents became more capable: teams invested heavily in making agents smarter, but very little in controlling what those agents could actually do once connected to real systems.
AI agents can now send emails, modify files, execute shell commands, call production APIs, and automate critical workflows. Once they're given real permissions, prompt engineering alone isn't enough—you need controls at execution time.
That's why I built Custodyn.
Custodyn sits between an AI agent and the systems it interacts with, evaluating every high-impact action against your policies before it executes. It can allow, block, or require human approval, while creating a tamper-evident audit trail for every decision.
The SDK is open source (MIT), takes only a few minutes to integrate, and supports Python and JavaScript with integrations for popular AI frameworks.
I'd genuinely appreciate your feedback—especially if you're building AI agents or agentic infrastructure. What controls do you think every production AI agent should have?
Thanks for checking out Custodyn!
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About Custodyn on Product Hunt
“Runtime Trust for AI Agents”
Custodyn was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #64 on the daily leaderboard. 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.
Custodyn was featured in Developer Tools (517.5k followers), Artificial Intelligence (475.9k followers), GitHub (41.4k followers) and Security (2.8k followers) on Product Hunt. Together, these topics include over 224.9k products, making this a competitive space to launch in.
Who hunted Custodyn?
Custodyn was hunted by custodyn. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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