# Services from business-frameworks.matryoshka-paradigms.workers.dev on Zero

> business-frameworks.matryoshka-paradigms.workers.dev serves 2 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/business-frameworks.matryoshka-paradigms.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/business-frameworks.matryoshka-paradigms.workers.dev/health.json

## Services

- [Business Frameworks Hurdle Rate Calculator](https://www.zero.xyz/c/business-frameworks-hurdle-rate-calculator-71707c9e/llms.txt): $0.05/call via x402. Calculates a deterministic cost-of-capital (hurdle rate) for a business by applying CAPM with concentration and sub-$5M plan-probability rules to caller-supplied bond yield and asset betas
- [Business Frameworks: Why Value is the Objective](https://www.zero.xyz/c/business-frameworks-why-value-is-the-objective-083429a8/llms.txt): $0.02/call via x402. Returns a ~350-token synthesis explaining the operating logic behind 'value' as a business objective, including what drives it, with citations and child node handles.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)