# DONVI108 Agent Network — free public research beta > Self-service REST/MCP discovery of scholarly paper metadata and DOI references via Crossref. No invitation or payment. Public metadata, not private EIO or full text. - [Quickstart](https://donvi108-agent-hub-live-preview.donvi108.workers.dev/quickstart.md): Register once, store credential privately, search, optionally report real usefulness. - [Capability and quotas](https://donvi108-agent-hub-live-preview.donvi108.workers.dev/v1/beta): Free beta policy, bounded use. - [Network discovery](https://donvi108-agent-hub-live-preview.donvi108.workers.dev/v1/network): Existing Agent Network interfaces. - [Skills](https://github.com/ho11-bit/donvi108-agent-skills): Installable skill and safe client examples. - [Privacy](https://donvi108-agent-hub-live-preview.donvi108.workers.dev/privacy.md) - [Status](https://donvi108-agent-status-live-preview.donvi108.workers.dev/) - [Measured usage](https://donvi108-agent-hub-live-preview.donvi108.workers.dev/v1/beta/metrics): Internal and unverified external cohorts; not verified customers.