Operations | Monitoring | ITSM | DevOps | Cloud

Architecting MCP for AI Agents: Lessons from Our Redesign | Harness Blog

-- Key Takeaways: The Harness MCP server is an MCP-compatible interface that lets AI agents discover, query, and act on Harness resources across CI/CD, GitOps, Feature Flags, Cloud Cost Management, Security Testing, Resilience Testing, Internal Developer Portal, and more. -- The first wave of MCP servers followed a natural pattern: take every API endpoint, wrap it in a tool definition, and expose it to the LLM.

The Art of Prompting in AI Test Automation | Harness Blog

E2E Testing Has a New Bottleneck, and It's Not the Code End-to-end (E2E) testing has always been the hardest part of a QA strategy. You're simulating real users, navigating real flows, validating real outcomes across browsers, environments, and data states that never hold still. Traditional test automation tackled this with scripts: rigid, deterministic sequences tied to element selectors and hard-coded values. They worked until the UI changed. Or the data changed.

Resilience Testing Is Non-Negotiable in the Enterprise SDLC | Harness Blog

Outages in distributed systems are inevitable, making resilience testing essential in the SDLC. It must be continuous, covering failures, load, and disasters. Delayed validation creates “resilience debt,” increasing risk. A holistic approach—combining chaos, load, and DR testing—plus cross-team collaboration and AI-driven insights improves reliability and reduces impact. Modern software delivery has dramatically accelerated.

What Are Blue-Green Deployments? | Understanding the Trade-offs

In this video, Eric Minick from Harness explains the fundamentals of blue-green deployments and how they help maintain a seamless user experience. Key topics covered include: Whether you are looking for fast rollbacks or safer production testing, blue-green deployments offer a powerful strategy for modern software delivery. Learn more about Blue-Green Deployments: If you enjoyed this video, consider subscribing to the channel for more videos.

Knowledge Graphs: The Backbone of AI-First Software Delivery | Harness Blog

--- ‍Key Takeaways --- AI can generate code in seconds. It still can’t ship software safely. That gap isn’t about model quality or prompt engineering. It’s about context, and most software organizations don’t have a system that accurately reflects how pipelines, services, environments, policies, and teams actually relate to each other. Without that context, AI doesn’t automate delivery. It amplifies risk.

Securing AI and Securing With AI: AI Security from Code to Runtime With Harness | Harness Blog

AI is changing both what you build and how you build it - at the same time. Today, Harness is announcing two new products to secure both: AI Security, a new product to discover, test, and protect AI running in your applications, and Secure AI Coding, a new capability of Harness SAST that secures the code your AI tools are writing.

The Agent-Native Repo: Why AGENTS.MD is the New Standard | Harness Blog

This is part 1 of a five-part series on building production-grade AI engineering systems. Across this series, we will cover: Most teams experimenting with AI coding agents focus on prompts. That is the wrong starting point. Before you optimize how an agent thinks, you must standardize what it sees. AI agents do not primarily fail because of reasoning limits. They fail because of environmental ambiguity.

Liquibase MongoDB Extension Tutorial | Install & Use the Harness Community Extension

Discover how to manage MongoDB schema changes using Liquibase with the Harness Community Liquibase MongoDB Extension. In this step-by-step tutorial, you will learn how to install, configure, and run MongoDB database migrations using Liquibase Community Edition. This extension enables DevOps teams to bring database version control and CI/CD practices to MongoDB, making schema changes easier to track, automate, and deploy.

API Failure: 7 Causes and How to Fix Them | Harness Blog

APIs have revolutionized how web and web app developers interact with data, whether for personal use or business. One of our most profound responsibilities as API developers is to protect our endpoints from being hacked. Even with essential safeguards in place, our websites can be vulnerable. This post discusses seven causes of API failures and how to fix them.

When Faster Code Starts to Break the Delivery System | Harness Blog

Speed is exposing the cracks. Our research shows that 69% of heavy AI users now face frequent deployment issues. To capture the ROI of AI, leaders must shift focus from code generation to delivery modernization. standardizing foundations and automating the "manual middle" that leads to developer burnout. Over the last few years, something fundamental has changed in software development.