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AI agents can keep calling APIs until a task finishes. If something loops or goes wrong, the bill can grow very fast. There is usually no built in way to stop it.
AgentBudget is an open source Python SDK that watches every LLM API call in real time and stops the agent the moment it reaches a set spending limit. You add one import, set a budget, and the agent cannot spend more than that.

AgentBudgetReal-time cost enforcement for AI Agents
Sahil Jagtapleft a comment
Hey PH! Sahil here - solo founder and CS student at George Mason. I built AgentBudget after leaving an AI agent running for 20 minutes and coming back to a bill that made my stomach drop. I tried to find a tool that could enforce a hard spending limit in real time. Nothing existed, so I built one. AgentBudget is an open source Python SDK that stops an AI agent the moment it hits a budget you...

AgentBudgetReal-time cost enforcement for AI Agents
Sahil Jagtapstarted a discussion
Why I built AgentBudget
I was building an AI agent late one night, walked away for 20 minutes, came back to a bill that made my stomach drop. The agent never stopped. Nobody told it to. I looked for a tool that could just... set a limit and kill it when it hit. Like a prepaid card. Nothing existed. So I built AgentBudget. One import, one budget limit, your agent never overspends again. Launching tomorrow. Would love...
Sahil Jagtapleft a comment
This resonates a lot. Thumbnails are one of those “high-leverage but time-sucking” tasks. If you’ve already proven performance uplift on your own channel, that’s a strong founder signal. Curious to see how well it generalizes across niches.

Thumbfa.stMidjourney for YouTube Thumbnails—your face, every time
Sahil Jagtapleft a comment
ngl i love my indian accent, but this helps a lot, especially being an immigrant i understand how useful this can be!

Fluently Accent GuruWhat accent do you have in English? I will tell in 30s
Sahil Jagtapleft a comment
Just our luck — we woke up on launch day to a global Supabase outage 😂 Instead of celebrating, we spent the morning firefighting error logs and refreshing status pages. Honestly, it hurt — we had ~80 upvotes early and definitely lost a bunch of signups to broken auth and timeouts. But that’s startup life, right? Things break exactly when you need them most. Huge shoutout to everyone who still...

AirstitchTurn texts into work done across all your apps
Sahil Jagtapleft a comment
Hey Product Hunt, I’m Sahil — co-founder of Airstitch. Three months ago, Jessie and I walked into our YC interview convinced we had “the one.” A no-code workflow builder we’d spent months crafting. We thought we were onto something big. We weren’t. A few hours later, we got this email: “Hard to break out.” “Crowded space.” “Not clear you can win.” It stung. Because they were right. The truth...

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