MiroFish bets simulated agent swarms can predict events; student project tops GitHub #1

Open-source 'swarm intelligence' engine: users upload seed material (news, policy drafts, financial signals, even novels), MiroFish builds a simulated digital world of thousands of agents and returns a prediction report plus an interactive simulation.

That a swarm of AI agents simulating a parallel digital world can predict real events — and a lone student's vibe-coded engine deserves company-level incubation.

¥30 million (~US$4.2M) from Shanda Group founder Chen Tianqiao, committed within 24 hours of the MiroFish demo (March 2026).

In 2025, Chinese university senior BaiFu (郭航江) used vibe coding with tools like Claude Code to build BettaFish, an AI sentiment-analysis assistant, in about ten days. After reaching 1K stars and writing a Xiaohongshu essay about it, the project went viral — adding over 20K stars in days and topping GitHub trending #1 in late 2025 (36kr).

Shanda Group founder Chen Tianqiao reached out persistently, and BaiFu moved to Shanghai to work with Shanda. There he built MiroFish — a swarm-intelligence prediction engine — again in ten days of vibe coding, and sent a demo video to Chen. Within 24 hours Shanda committed ¥30M to incubate the product and BaiFu became CEO of the new AI company (36kr, TMTPost). MiroFish topped GitHub global trending #1 on 07 March 2026 (TMTPost, DoNews).

Live and growing: as of September 2026 MiroFish runs as a Shanda-incubated project, recruiting via mirofish@shanda.com; the GitHub repo remains the open-source front door, with use cases aimed at financial decision support, policy/PR simulation, marketing tests and story simulation.

Vibe coding cut build time from months to ten days, letting one person iterate to two trending #1 projects fast enough to stay ahead of the hype cycle.

The product idea — predicting events by simulating societies of agents — was distinctive enough to generate global attention, not just Chinese developer traffic.

Attention alone wasn't the company: Shanda's ¥30M converted virality into incubation, and the second hit proved the first wasn't luck.

Open-sourcing the engine made the project credibly transparent and gave it a global developer audience to keep iterating.

A viral open-source project is distribution, not a company — the investment followed a repeatable pattern (two trending #1 hits), showing attention converts to capital only when it recurs.

As of 02 September 2026, MiroFish is live and incubated: the GitHub repository states it has received strategic support and incubation from Shanda Group, and the team is recruiting via mirofish@shanda.com. The product targets financial decision support, policy and PR simulation, marketing tests, academic research and creative story simulation; the repo documents a working pipeline (GraphRAG graph building, agent setup, dual-platform simulation, report generation) and a live demo. 36kr puts the arc from BettaFish's breakout to ¥30M in investment at roughly three months.