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Agent Stack
5 tiny npm libs to stop AI agents misbehaving in prd
5 focused npm libraries that tackle real agent failres: agentfit (context window overflow), agentguard unauthorized network calls), agentsnap (tool call drft), agentvet (bad arg validation), agentcast (schem violations). Each is under 150 lines, composable, ad BYO-LLM. Built from real prod pain.
Built this after hitting context overflow and tool drift in production. Each lib is small and focused: agentfit trims messages to fit the context window, agentguard blocks unauthorized network calls, agentsnap snapshots tool call traces, agentvet validates tool args, agentcast enforces output schemas. All composable, BYO-LLM. Would love feedback from folks building agents.
About Agent Stack on Product Hunt
“5 tiny npm libs to stop AI agents misbehaving in prd”
Agent Stack was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #81 on the daily leaderboard. 5 focused npm libraries that tackle real agent failres: agentfit (context window overflow), agentguard unauthorized network calls), agentsnap (tool call drft), agentvet (bad arg validation), agentcast (schem violations). Each is under 150 lines, composable, ad BYO-LLM. Built from real prod pain.
On the analytics side, Agent Stack competes within Open Source and Developer Tools — topics that collectively have 580.8k followers on Product Hunt. The dashboard above tracks how Agent Stack performed against the three products that launched closest to it on the same day.
Who hunted Agent Stack?
Agent Stack was hunted by Mukunda Katta. 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.
For a complete overview of Agent Stack including community comment highlights and product details, visit the product overview.
Mukunda Katta