Show HN: Jocasta – Track every device on your LAN by Mac, across VLANs

Category: observability

Tags: network-inventory, mac-address, vlan, device-tracking, netflow, mcp

Score: 7.5/10 (Innovation: 7, Technical: 7, Documentation: 9, Utility: 7)

Jocasta is a Go-based network device inventory tool that identifies devices by MAC address, tracks changes over time, and integrates with routers (MikroTik, OpenWrt) to discover devices across VLANs. It also supports NetFlow/IPFIX for traffic analysis and DNS logs for identifying clients, offering a web UI, JSON API, and MCP server. The project stands out for its comprehensive feature set and polished documentation.

Target audience: network administrators, devops, homelab enthusiasts

Repository: https://github.com/pushkar-anand/jocasta · Go · AGPL-3.0 · 3 stars

View on Hacker News