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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.
AgentBudget
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...

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