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Open-source control layer that approves, blocks, or escalates AI agent payments, refunds, emails, account changes, and other irreversible actions before execution.
Hey Product Hunt,
I built TrustLoopGuard after testing AI agents in production and seeing the same gap repeatedly: teams can evaluate what an agent says, but the dangerous moment is when it acts.
An agent can propose a refund, send an email, update a customer record, call an API, deploy code, or delete data. The important question is whether that exact action should be allowed, blocked, rewritten, or sent for approval before the side effect happens.
TrustLoopGuard sits at that boundary. Your app sends the proposed output or tool call plus its context. The runtime checks policy, authority, values, provenance, and approval rules, then returns a typed decision with a trace. Money-bearing actions add durable authorization state plus decision and execution receipts.
It is open source and self-hostable, with TypeScript, Python, and Rust SDKs, a provider-compatible gateway, and an MCP/tool-call path.
I am launching this early because the use case is still being discovered. I want to learn which irreversible action is hardest for teams to trust today.
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About TrustLoopGuard on Product Hunt
“Control AI agents before irreversible actions”
TrustLoopGuard was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #133 on the daily leaderboard. Open-source control layer that approves, blocks, or escalates AI agent payments, refunds, emails, account changes, and other irreversible actions before execution.
TrustLoopGuard was featured in Open Source (68.6k followers), Developer Tools (515.9k followers), Artificial Intelligence (473.7k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 221.7k products, making this a competitive space to launch in.
Who hunted TrustLoopGuard?
TrustLoopGuard was hunted by Duc Minh Nguyen. 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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Duc Minh Nguyen