Proof I can
actually code
You want to see if I can deliver? Here's the work. A curated selection of open source tools, Go libraries, and infrastructure projects that other developers depend on.
$ gh repo list larsartmann --limit 82
Featured
×4typespec-asyncapi
TypeSpec emitter that generates AsyncAPI 3.0 specs. Closed a 2-year gap in the AsyncAPI ecosystem — no official emitter existed before.
Server-rendered UI components for Go web apps — 97 components for templ + HTMX + Tailwind CSS v4. Type-safe props, dark mode built-in, CSP-ready.
WebsiteHigh-performance, composable file system watcher for Go. Built on fsnotify with automatic recursion, 17+ filters, 18 middleware, and production-grade resilience.
WebsiteProfessional code clone detection for Go. AST-based structural + semantic detection with suffix tree algorithms, 7 output formats, and CI baseline gating.
WebsitePublic repositories on GitHub — tools, experiments, and infrastructure.
Browse all repositoriesCLI & Developer Tools
×4Type-safe Go CLI framework that unifies type-safe flags, DI lifecycle, and zero-panic contracts. Wraps Cobra with a focus on correctness.
WebsiteReclaim disk space across macOS and Linux. 13 specialized cleaners, dry-run previews, interactive TUI, and JSON output for automation.
WebsiteInteractive setup wizard that creates perfect GoReleaser configurations in seconds. Stop copy-pasting configs and get production-ready releases.
Detect and filter auto-generated Go code — fast, zero-config, table-driven. Supports sqlc, protobuf, templ, mockgen, wire, stringer, and more.
WebsiteGo Libraries
×5The only Go client for the Wise (TransferWise) API — no official SDK exists. Raw wire types isolated from branded domain types, with behavioral error classification for intent-based retries.
Strongly-typed branded identifiers for Go. Phantom types prevent mixing entity IDs at compile time. Zero-allocation, stdlib-only, with full serialization.
WebsiteWrite your data once. Render it anywhere. 16 output formats across tables, trees, and diagrams, plus NOM-style real-time progress visualization.
WebsiteStructured error protocol for Go — behavioral error classification, exit codes, HTTP status mapping, and diagnostic rules. Share the protocol, not the implementation.
WebsiteCrash-safe, race-free file writes for Go — TOCTOU protection via fingerprint verification, cross-platform file locking, atomic rename, and fsync durability.
WebsitePublic repositories on GitHub — tools, experiments, and infrastructure.
Browse all repositoriesWeb, Infrastructure & Agents
×4Go library for wiring go-cqrs-lite with HTMX, templ, and Casbin authorization — framework-agnostic HTTP handler builder.
Go server that turns markdown files into a navigable website with search, diagrams, live reload, and S3/GCS support.
WebsiteModular, hardened SSH client & server configurations for NixOS and nix-darwin — secure by default, post-quantum ready.
MCP server that gives AI coding agents comprehensive client-side web error detection and analysis capabilities.