# Services from salt19-agent-utility-grid.salt19-llc.workers.dev on Zero

> salt19-agent-utility-grid.salt19-llc.workers.dev serves 5 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/salt19-agent-utility-grid.salt19-llc.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/salt19-agent-utility-grid.salt19-llc.workers.dev/health.json

## Services

- [SALT19 Dependency Go/No-Go Checker](https://www.zero.xyz/c/salt19-dependency-go-no-go-checker-cc982179/llms.txt): $0.25/call via x402. Evaluates an npm package and version against vulnerability and license policy to return a GO or NO-GO verdict for safe dependency adoption.
- [SALT19 URL HTTP Preflight Check](https://www.zero.xyz/c/salt19-url-http-preflight-check-11379b10/llms.txt): $0.03/call via x402. Performs an HTTP preflight check on a URL, returning redirect chain, latency, content type, and security header analysis
- [SALT19 GitHub Repo Preflight Check](https://www.zero.xyz/c/salt19-github-repo-preflight-check-0723b0e1/llms.txt): $0.1/call via x402. Fetches key metadata and risk flags for a GitHub repository to support automated dependency and integration decisions.
- [SALT19 NPM Package Intel](https://www.zero.xyz/c/salt19-npm-package-intel-1def2410/llms.txt): $0.05/call via x402. Returns license, version, deprecation status, and vulnerability count for a given npm package
- [SALT19 Model Memory Fit Estimator](https://www.zero.xyz/c/salt19-model-memory-fit-estimator-17e02678/llms.txt): $0.05/call via x402. Estimates whether a language model with given parameter count and quantization will fit in a specified VRAM budget, returning a FIT/NO-FIT verdict with memory breakdown

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)
