# Engineering Practices for Building and Operating AI Systems

DevFeed: [Engineering Practices for Building and Operating AI Systems](<https://devfeed.tech/articles/agentic-development-best-practices-engineering-excellence-13395.md>)

Original publisher: [Read original article](<https://www.harness.io/blog/engineering-for-the-agentic-era-how-to-spec-build-test-and-operate-ai-systems>)

Author: Nicole Morgan

Published: 2026-08-05T00:00:00Z

Content type: opinion

Language: en

Sources: [Harness Blog](<https://devfeed.tech/sources/harness-blog.md>)

Topics: [Agentic development](<https://devfeed.tech/topics/agentic-development.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Spec Driven Development](<https://devfeed.tech/topics/spec-driven-development.md>), [context](<https://devfeed.tech/topics/context.md>), [Requirements](<https://devfeed.tech/topics/requirements.md>)

Tags: [agentic-development](<https://devfeed.tech/tags/agentic-development.md>), [requirements](<https://devfeed.tech/tags/requirements.md>), [spec-driven-development](<https://devfeed.tech/tags/spec-driven-development.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

Harness argues that AI-assisted development needs stronger specifications, testing, operational controls, and failure-mode analysis to maintain delivery quality and manage risk.

## Source excerpt

Learn agentic development best practices with spec-driven development, AI system testing, and operational readiness for secure AI delivery. | Blog