Mermaider: Code-Based Architecture Diagrams for AI Engineering
Mermaider keeps software architecture and process diagrams tied to code, with deterministic Mermaid generation, agent hooks and an offline HTML viewer.
products in public.
Index / Projects
Products, experiments, and shipped work by Sebastian Mertens.
Mermaider keeps software architecture and process diagrams tied to code, with deterministic Mermaid generation, agent hooks and an offline HTML viewer.
Agent-first application hosting with GitHub deployments, managed services, and a CLI, MCP tools, and typed API.
An interactive consultancy website explaining custom AI software, agentic workflows, context engineering, and hands-on training.
A multilingual guest-registration app with guided pre-arrival check-in, document-assisted entry, and an administrative visit workspace.
A session-replay and customer-journey analysis product with public API docs, OpenAPI surfaces, and SEO comparison pages.
A market-data research stack for scanners, snapshots, and boringly reliable finance tooling.
A pilot training-record workspace connecting paramedic apprentices, report review, and administrative routing diagnostics.
A sales-workspace prototype for turning market signals into clear research, outreach, pipeline, and review steps.
An open-source macOS Wispr Flow alternative for local dictation, language-aware LLM commands, optional screen context, Markdown notes, Bluetooth typing, and Hermes Agent handoff.
An accommodation-management workspace for stays, people, groups, rooms, and bed-level planning.
A local-first AI assistant for macOS with clear shortcuts, screenshot-aware agent mode, and clearer installer behavior.
The public build log and project index for Sebastian Mertens: project pages, notes, CLI access, and GitHub Pages deployment for sebmer.com.
A public skill package that teaches AI coding agents how to build and operate Make workflows with less guessing.
A governed operations system for agent-assisted business work, research, SEO checks, task routing, and source-backed decision records.
A minimal company profile site for the TEMPO AI product family, linking Lovalingo and Elson into one public company surface.
An AI-agent workbench for skills, checkpoints, context, remote projects, and long-running build workflows.
A Swift-first macOS utility for activity context, permissions, and local workflow signals.
A Python toolkit that turns German market-data pages into something scripts can actually use.
A Hermes-assisted research loop for spotting better build signals before posting in public.
A discontinued AI assistant that reached 10 users and evolved into an open-source, local-first Wispr Flow alternative.
A discontinued localization tool for AI-built web apps that reached around six paying users before native i18n made differentiation difficult.
A discontinued sales-agent prototype with guided voice onboarding and live brief review; ended after the development collaboration did not work out.