Skip to main content
// ABOUT KESSLERNITY

Deployment Tools
Built by a Practitioner

Kesslernity makes deployment tools for M365 Copilot teams: frameworks, agent templates, and decision guides you can use the same day you buy them. One practitioner, real artifacts, no content farm.

// WHAT WE MAKE

Free Prompts. Paid Tools.

nerdychefs.ai

Our free, public prompt library. Available to everyone, with nothing to buy and nothing to sign up for.

  • Public access, free forever
  • Comprehensive prompt collection
  • No signup, no paywall
Browse Free Public Library (nerdychefs.ai)

Deployment Tools

Frameworks, agent templates, and decision guides for M365 Copilot teams. Buy once, own it, use it that week.

  • One-time purchase, you own it
  • Markdown and print-ready HTML
  • Team use permitted
Browse the store(opens in a new tab)
// THE PHILOSOPHY

Why Deployment Tools?

M365 Copilot changes every few months. Licensing, agents, and governance shift, and the official docs rarely tell you what actually breaks in week one.

Most teams rebuild the same rollout artifacts from scratch. The rollout plan, the governance checklist, the agent templates, the budget math. These tools are those artifacts, already written.

A deployment lead should not have to start from a blank page.

Buy the kit, get the documents you would otherwise build yourself, and put your team to work that week. You own it, and quarterly updates keep it current.

// Why this matters
The artifacts are the bottleneck, not the model
Licensing and governance shift every few months
Expertise should scale, not stay siloed
AI prepares, humans decide
// HOW WE WORK

Our Principles

01

Clarity Over Complexity

Simple artifacts that work. No platform to log into, no feature creep, no seat to renew. A document you open and use.

02

Outcomes Over Activity

The test is whether your rollout moves, not how thick the deliverable looks. If a kit doesn't save you a week of writing, it failed.

03

One-Time, Not A Retainer

You buy it once and you own it. No retainer, no discovery call, nothing to renew, and no consultant in the loop.

04

Expertise Should Multiply

One expert should enable hundreds. Deployment tools let a practitioner hand a team the artifacts they would otherwise build from scratch.

MK

Mathieu Kessler

// THE FOUNDER

Mathieu Kessler

Founder & AI Solutions Architect

I've spent 15+ years building cloud infrastructure: servers, pipelines, automation. The invisible machinery that makes businesses run.

When AI tools went mainstream, I saw the same gap I'd seen in every tech adoption cycle: early adopters thrive, everyone else waits. The problem wasn't intelligence. It was access. People didn't know what to type into the box.

So I started building deployment tools for M365 Copilot. First for my own rollouts, then as products other teams could buy. That's Kesslernity: the artifacts a deployment lead needs, written once and ready to use.

Azure Solutions Architect ExpertAI/ML Certified (Microsoft & AWS)15+ years in cloud infrastructureFormer enterprise consultant
“An amazing library of more than 300 Copilot prompts for business teams.”
Featured by Jared SpataroMicrosoft's CMO of AI at Work, in the AI at Work newsletter, Feb 2026
1,000+GitHub stars·500+newsletter subscribers·Read at Vestas · Jabil · AEMO · Novartis

A Note on "We"

Kesslernity is one person. The "we" is a writing habit, not a team. Mathieu writes, tests and updates every product here, with specialists brought in when something needs a designer or a reviewer. There is no account manager and no delivery team, which is exactly why everything is sold as a download instead of an engagement.

Tools You Can Use Today

Get the M365 Copilot Deployment Kit, or browse the full store of tools.