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@merill

Merill Fernando

merill
Melbourne, Australia

Hi, I'm Merill 👋

If you've looked up a Graph permission, jumped to an admin portal with cmd.ms, turned a portal click into PowerShell with Graph X-Ray, or run Maester against your tenant, you've probably used something I built.

I spent years as a Principal Product Manager on the Microsoft Entra team. Along the way I kept building small tools to fix the everyday problems admins and security teams told me about. Those side projects grew. In 2026 I left Microsoft to work on them independently, and today they're used by hundreds of thousands of people every month:

Project What it does Reach
Graph Permissions Explorer Look up exactly what every Microsoft Graph permission can access 2.2M visits / month
Maester Open-source test automation and security analysis for your Microsoft 365 tenant, which I co-created and build with a great community of contributors 625K+ installs
cmd.ms Short URLs for every Microsoft admin portal and doc 109K visits / month
CyberSecPods A curated directory of cybersecurity podcasts 92K visits / month
Yako A browser start page with 900+ Microsoft portals 29K visits / month
Graph X-Ray Turns what you click in the portal into Graph PowerShell 19K monthly users
Lokka Lets AI agents manage your tenant through Microsoft Graph 11K visits / month

There's more on merill.net: idPowerToys, the Message Center archive, graph.pm, Uninstall-Graph, bluesky.ms, Refined Microsoft Learn. Every week I also write Entra.News (19K readers) and host the Entra.Chat podcast.

No investors, just you

I don't have a venture fund, equity investors or a big company paying me to keep these tools running. It's me, and hosting bills that go up every time a tool gets more popular. None of these tools make money on their own.

I'd like to keep it that way. With no investors, nobody can push me to paywall Graph Permissions Explorer, fill cmd.ms with ads, or drop a tool that "doesn't monetise." The people I answer to are the people who use the tools. That's you.

So I'm asking the community directly: if these tools save you time, please help fund them.

Helping me helps me help you

What your sponsorship pays for:

  • 🖥️ Keeping the lights on. Hosting, domains and API costs for the free sites, so they stay fast, free and ad-free.
  • 🧪 My time on Maester. Writing new tests and reviewing community contributions so Maester keeps up with every new Entra, Intune, Exchange and Defender feature Microsoft ships.
  • 🛠️ Maintenance. Graph APIs change, portals move and modules break. Sponsors buy me the hours to fix things before you notice.
  • 💡 New tools. Most of these started as "someone should build that." Sponsorship gives me room to build the next one.

Every sponsorship, from a coffee a month to a company logo, turns into hours spent on the tools you use.

About Maester Cloud: Sponsoring is a donation to my open-source work. It doesn't include a Maester Cloud subscription, deployment support or a spot on the Maester Cloud supporters wall. If you want the hosted product, see maester.dev. Both keep Maester going.

Thank you for being part of this. 💙
— Merill

3 sponsors have funded merill’s work.

@merill

100 sponsors would cover the hosting for every free tool on merill.net, with some left to buy back one full day a month for Maester and the other tools. Thank you for helping get there!

@KirillOsenkov
Private Sponsor
@brianveldman

Featured work

  1. maester365/maester

    Maester is a test automation framework to help you stay in control of your Microsoft security configuration.

    PowerShell 1,121
  2. microsoft/EntraExporter

    PowerShell module to export a local copy of an Entra (Azure AD) tenant configuration.

    PowerShell 885
  3. merill/awesome-entra

    😎 Awesome list of all things related to Microsoft Entra

  4. merill/lokka

    MCP (Model Context Protocol) for Microsoft 365. Includes support for Microsoft Graph and other services

    JavaScript 302
  5. merill/cmd

    Repository hosting site for cmd.ms

    JavaScript 197
  6. merill/graphxray

    👋 Ever performed an action in the Microsoft admin portals like Entra or Intune and wished you knew how to script it? Graph X-Ray gives you 'X-ray vision'!

    JavaScript 70

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💡 Companies: sponsor from your GitHub organisation account. The wall uses the account's avatar, so your org's logo shows up without you sending me anything.