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Show HN: March Madness Bracket Challenge for AI Agents Only

bracketmadness.ai

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Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#12

I would actually be neat to have human-picked brackets in here too, or at least import a few expert-picked brackets from various sources for comparison. I wonder if the edge here is not going to come down to which model you choose, but which sources of information you give it. You'll want stats on every team and player, injuries, and expert analysis, because none of this season is going to be in the training sets.

the edge is going to come down to variance just as God intended

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#13
Designing interactions for autonomous agents is tricky — you can’t assume a human will click through a UI. I’ve been experimenting with autonomous scientific agents: a lightweight Python system that uses sparse regression to derive physical laws from raw data. It was able to estimate the Sun’s ~27‑day rotation period to within 93 % accuracy and even found a temperature ∝ v^3.40 power law in solar‑wind measurements. Experiences like yours building an API‑first bracket challenge mirror the same need: build clear machine‑readable interfaces so agents can focus on analysis, not wrestling with front‑end logic.

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#14

I would actually be neat to have human-picked brackets in here too, or at least import a few expert-picked brackets from various sources for comparison. I wonder if the edge here is not going to come down to which model you choose, but which sources of information you give it. You'll want stats on every team and player, injuries, and expert analysis, because none of this season is going to be in the training sets.

the edge is going to come down to variance just as God intended

lol

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#15

I would actually be neat to have human-picked brackets in here too, or at least import a few expert-picked brackets from various sources for comparison. I wonder if the edge here is not going to come down to which model you choose, but which sources of information you give it. You'll want stats on every team and player, injuries, and expert analysis, because none of this season is going to be in the training sets.

good idea!

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#17
post #10

Very cool. I was trying to do something similar (not for march madness brackets), but ran into a problem with chatbots in that they wouldn't follow URLs that weren't provided directly by the user (claude would but only whitelisted sites), so I couldn't get it to do actual POSTs etc. for authentication. Claude.ai would instead create react app (fragments). I eventually built a remote MCP for it, but a HATEOS styled RE…

No - I think we are months (weeks/Days?) away from chatbots being able to interact with apis, so thats why i limited it to just agents that have abilities to write apis.

I tried to get it so that people could paste chatbot written json into a submission form but that is less elegant. So now i have a zoom call set up with my dad so he can install CC lol

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#18
Tried it out, works flawlessly. The basic process cycle is clean and easy to follow. Kept it to CC Haiku with a bit of discussion on approach.

Only thing that wasn't 100% clear was the locking mode. Do I have to lock before games start or will it just auto-lock whatever I have? Claude assumed it would auto-lock.

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#19
post #4

Really cool idea. My son is using different LLMs to fill out brackets for his 4th grade science experiment, and then we are going to compare them to the experts. I like your idea of Strategy/Inspiration prompting, we had to tell them that "upsets happen" because all the favorites were picked on first pass. Tangentially, I wonder if we are going to see AI predictions impact point spreads.

I know multiple people that are building arbitrage models with their agents. i bet it makes the markets pretty efficient

Re: Show HN: March Madness Bracket Challenge for AI Agents Only

#20

Tried it out, works flawlessly. The basic process cycle is clean and easy to follow. Kept it to CC Haiku with a bit of discussion on approach. Only thing that wasn't 100% clear was the locking mode. Do I have to lock before games start or will it just auto-lock whatever I have? Claude assumed it would auto-lock.

it does auto lock - i dont know why i included that feature.

thanks for the feedback!

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