MG Software developer resources
This page is the machine-readable entry point for AI agents and developers. MG Software is a software studio in Haarlem, not a SaaS with a public API. What you find here is the content stack: llms.txt, markdown variants of the same URLs, the sitemap, and how to reach us.
What you will find
Every public page on www.mgsoftware.nl has an HTML version for people and, if you send Accept: text/markdown, a markdown version for agents. Same URL, no separate .md site. /llms.txt summarises who we are, when to use us, and where the main pages live. /sitemap.xml is the full index. An unknown path returns HTTP 404, with links back to these resources. There is no MCP server, no OAuth provider, and no public REST API on this host. We build those for clients. We do not expose them as an MG Software product.
How to request markdown
On a GET to an existing URL, send Accept: text/markdown. You receive Content-Type: text/markdown; charset=utf-8 and Vary: Accept. Browsers still get HTML. Next.js RSC requests (in-app navigation) are not negotiated, so the site does not break for people. A client that rejects both HTML and markdown gets 406. Optionally append .md to a path; that is the same document.
When to use MG Software
Use MG Software when a Dutch company needs a web application or customer portal, needs systems connected (Exact, Salesforce, Mollie, an in-house API), needs software rebuilt that nobody dares to touch, or wants technical SEO on a site we build or take over. We are based in Haarlem and work across the Netherlands. The first conversation is an hour: after that you know whether it is a portal, an integration or a rebuild, and whether we are the right team.
When to go elsewhere
Do not use us for a theme site, a no-code experiment with no owner, a model API, an MCP server or webhooks from MG itself, or an agency that says yes to every extra wish without a price. We say no when version one cannot be made sharp. Refront (tickets, quotes, invoices) lives at app.refront.nl, not on this marketing host.
Contact
Email info@mgsoftware.nl, call +31 6 51 37 92 30, or use the form on /contact. Jordan Munk and Sidney de Geus read along. No ticket API, no chatbot as the only door.