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FuseBox
Stop runaway AI agent costs with one line of Python
FuseBox is a Python circuit breaker for AI agent loops. Add one line of code — @wrap(max_time=300, max_cost=5.0) — and it stops runaway API costs, infinite loops, and bill shock. Five configurable limits (time, iterations, tokens, cost, daily budget), CLI tools, and full source code included. No cloud, no subscription. $29 one-time, you own it forever.
Hey PH!
I built FuseBox because my agent got stuck in a recursive loop and burned through API credits overnight. The SDK? No hard ceiling. I found out when I checked usage the next morning.
So I built the tool I wished existed: one line of Python that sets a hard stop on time, iterations, tokens, cost - and if it trips, you get a full state dump to debug what happened. No cloud dependency, no subscription, just a Python file you own.
Full source code included under MIT because if you're trusting this with your agent budget, you should be able to inspect exactly what it does.
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About FuseBox on Product Hunt
“Stop runaway AI agent costs with one line of Python”
FuseBox was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #107 on the daily leaderboard. FuseBox is a Python circuit breaker for AI agent loops. Add one line of code — @wrap(max_time=300, max_cost=5.0) — and it stops runaway API costs, infinite loops, and bill shock. Five configurable limits (time, iterations, tokens, cost, daily budget), CLI tools, and full source code included. No cloud, no subscription. $29 one-time, you own it forever.
FuseBox was featured in Productivity (655.7k followers), Developer Tools (515.4k followers) and Artificial Intelligence (473.1k followers) on Product Hunt. Together, these topics include over 325.1k products, making this a competitive space to launch in.
Who hunted FuseBox?
FuseBox was hunted by SWARMSMART. 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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