Awesome lexfrei

A curated list of my pet projects and open-source work — mostly Go, Kubernetes, and self-hosting.

Everything lives at github.com/lexfrei.

Contents

• Kubernetes — controllers and operators
• Helm charts
• GitOps and infrastructure
• Terraform
• Claude Code
• MCP servers
• Libraries
• Bots and apps
• Hardware, 3D printing, networking
• Beyond my repos

Kubernetes — controllers and operators

• cloudflare-tunnel-gateway-controller — Gateway API implemented on top of Cloudflare Tunnel.
• extractedprism — per-node TCP load balancer for kube-apiserver, the Talos KubePrism idea as a standalone project.
• kuberture — publishes Kubernetes EndpointSlices to DNS.
• ouroboros — fixes hairpin-NAT for Ingress/Gateway-API behind PROXY protocol.
• external-dns-unifios-webhook — External DNS webhook provider for UniFi OS.
• wish-operator — Kubernetes-native, CRD-based wishlist operator with an HTMX web UI.

Helm charts

charts — Helm charts published to GHCR as cosign-signed OCI artifacts and indexed on Artifact Hub; they fill the gaps where upstream ships no usable chart:

• cloudflare-tunnel — cloudflared for Zero Trust access without inbound ports.
• extractedprism — per-node TCP load balancer for the API server, no VIP/keepalived.
• system-upgrade-controller — repackaged Rancher SUC for declarative node upgrades.
• obico — self-hosted 3D-print monitoring with AI failure detection.
• spoolman — filament spool inventory.
• transmission — torrent client.

GitOps and infrastructure

• k8s — my reference home cluster: ARM64, Cilium (kube-proxy replacement, L2 announcements), HA control plane via extractedprism.
• cozylex — external-apps catalog for Cozystack.
• cozyboard — PR-review board for the cozystack org, a static SPA in TypeScript + Svelte running entirely in the browser.

Terraform

• terraform-provider-namedotcom — Terraform provider for name.com.
• terraform-cloudflare-icloud — Cloudflare DNS module for iCloud Mail.
• terraform-cloudflare-adobe-portfolio — Cloudflare DNS module for Adobe Portfolio.

Claude Code

• claudeline — Claude Code statusline with real usage limits from the Anthropic API.
• ccc — Claude Code Companions, a third-party plugin marketplace.
• macro-claude — live Claude Code session status on a Logitech MX Creative Console.
• occ — bridge between Claude Code Channels and OpenClaw Gateway.

MCP servers

All written in Go.

• mcp-tg — Telegram Client API over MTProto (user account).
• mcp-loki — queries against Grafana Loki logs.
• mcp-raker — monitor and control a Klipper 3D printer via Moonraker.
• pogo-pvp-mcp — Pokémon GO PvP: battle simulator, rankings, counters, team builder.
• mcp-rutracker — search and .torrent download from RuTracker.
• mcp-transmission — full Transmission RPC.
• mcp-lostfilm — release feed, search, and .torrent from LostFilm.TV.
• mcp-myshows — MyShows.me series tracker.
• mcp-godville — Godville hero state for LLMs.

Libraries

• keychain — cgo-free Go library for the native OS secret store (macOS Keychain, Linux Secret Service, Windows Credential Manager).

Bots and apps

• transmission-bot — Telegram bot for Transmission.
• estimator — humorous task-time estimator (×π, PERT); live at eta.lex.la and job.lex.la.

Hardware, 3D printing, networking

• sovol-zero-mainline — migrating the Sovol Zero printer to mainline Klipper.
• piwrt — Raspberry Pi 5 + OpenWrt routing all traffic through an AmneziaWG VPN.

Beyond my repos

Projects I maintain:

• Cozystack — open-source PaaS and framework for building clouds, a CNCF Sandbox project; maintaining it as part of my work at Ænix.
• obico-server — self-hosted smart 3D printing platform with AI failure detection.
• prometheus-ipmi-exporter — Helm chart in prometheus-community.
• robotlb — Hetzner load balancer controller for bare-metal Kubernetes clusters.
• Armbian — maintainer of the Sovol printer-host boards: SV08, SV08 Max, and Zero.

My contributions also landed in external-dns, Gateway API, MetalLB, jellyfin-helm, and some 60 more repos.