# Stefan Judis: Developer Relations at Checkly

> Stefan Judis is the Head of Developer Relations at Checkly, with extensive experience in fostering developer communities. Read his articles.

Source: https://www.checklyhq.com/blog/author/stefan/

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# Stefan Judis

Developer Relations

Berlin

DevRel @ Checkly

July 30, 2026

## CLIs are more token-efficient than MCP. Or are they?

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)[Playwright](https://www.checklyhq.com/blog/tag/playwright/)[Development](https://www.checklyhq.com/blog/tag/development/)

June 4, 2026

## Rocky reads your stack, not just your check

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)[Announcements](https://www.checklyhq.com/blog/tag/announcements/)[OpenTelemetry](https://www.checklyhq.com/blog/tag/opentelemetry/)

April 29, 2026

## Two AI agents, one incident: Rocky AI comes to the terminal

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)[Announcements](https://www.checklyhq.com/blog/tag/announcements/)[Monitoring as Code (MaC)](https://www.checklyhq.com/blog/tag/mac/)

March 26, 2026

## One CLI, Two Audiences: How We Built for Agents and Humans

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)[Product](https://www.checklyhq.com/blog/tag/product/)

February 19, 2026

## The Current State of Content Negotiation for AI Agents (Feb 2026)

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)

February 18, 2026

## Introducing: Checkly Agent Skills

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)

October 29, 2025

## Playwright Check Suites Are Now GA - But What Does That Mean For You?

Stefan Judis

[Playwright](https://www.checklyhq.com/blog/tag/playwright/)

July 14, 2025

## Generating end-to-end tests with AI and Playwright MCP

Stefan Judis

[AI](https://www.checklyhq.com/blog/tag/ai/)

July 3, 2025

## AI-Powered Monitoring with Checkly

Stefan Judis

Dan Giordano

[AI](https://www.checklyhq.com/blog/tag/ai/)