YC-Killer
A library of enterprise-grade AI agents designed to democratize artificial intelligence and provide free, open-source alternatives to overvalued Y Combinator startups.
- stars
- 2,817
- 30-day movement
- +31/day
- Related entries
- 60
- Connections
- 1
YC-Killer is a library of open-source AI agents packaged as an MCP server, positioned by its author as free alternatives to commercial Y Combinator startups. The repository's topics point to tooling spanning physics and cosmology computation (Wolfram Alpha, Lean 4 proof assistance, Bayesian inference, quantum topics) plus VR office features (Unity, OpenXR, Photon, Agora, Ready Player Me), though the recorded material does not explain how these pieces fit together.
Reach for it if you want an MCP server exposing AI agent capabilities without paying for proprietary startup tools.
Use it to
- Serve AI agents to MCP-compatible clients
- Compute physics and Bayesian inference queries
- Check formal proofs with Lean 4 assistance
- Prototype VR office collaboration features
- Self-host open alternatives to paid agent services
For Developers seeking free MCP-based AI agent alternatives.
- Role
- mcp-server
- Language
- TypeScript
- Forks
- 127
- Open issues
- 149
- Last push
- 2026-08-10