# Linear's Case for Building a Custom Agent Harness Instead of Using Agent Frameworks

DevFeed: [Linear's Case for Building a Custom Agent Harness Instead of Using Agent Frameworks](<https://devfeed.tech/articles/linear-skipped-the-agent-frameworks-and-wrote-their-own-harness-17937.md>)

Original publisher: [Read original article](<https://read.bytesizeddesign.com/p/linear-skipped-agent-frameworks-custom-harness>)

Author: Byte-Sized Design

Published: 2026-08-10T17:59:45Z

Content type: opinion

Language: en

Sources: [Byte-Sized Design](<https://devfeed.tech/sources/byte-sized-design.md>)

Topics: [Frameworks](<https://devfeed.tech/topics/frameworks.md>)

Tags: [agent](<https://devfeed.tech/tags/agent.md>), [frameworks](<https://devfeed.tech/tags/frameworks.md>), [harness](<https://devfeed.tech/tags/harness.md>), [tools](<https://devfeed.tech/tags/tools.md>)

## AI overview

The article presents a case for building a custom agent harness instead of using agent frameworks, focusing on shallow tools and just-in-time skills.

## Source excerpt

Shallow tools, just-in-time skills, and a defensible case for a custom harness