# Harness, Scaffold, and the AI Agent Terms Worth Getting Right

DevFeed: [Harness, Scaffold, and the AI Agent Terms Worth Getting Right](<https://devfeed.tech/articles/harness-scaffold-and-the-ai-agent-terms-worth-getting-right-7067.md>)

Original publisher: [Read original article](<https://huggingface.co/blog/agent-glossary>)

Author: Sergio Paniego; Aritra Roy Gosthipaty

Published: 2026-05-25T00:00:00Z

Content type: article

Language: en

Sources: [Hugging Face - Blog](<https://devfeed.tech/sources/hugging-face-blog.md>)

Topics: [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [AI Development](<https://devfeed.tech/topics/ai-development.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Claude Code](<https://devfeed.tech/topics/claude-code.md>), [codex](<https://devfeed.tech/topics/codex.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-agent](<https://devfeed.tech/tags/ai-agent.md>), [artificial-intelligence](<https://devfeed.tech/tags/artificial-intelligence.md>), [frameworks](<https://devfeed.tech/tags/frameworks.md>), [guide](<https://devfeed.tech/tags/guide.md>), [llms](<https://devfeed.tech/tags/llms.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [rl](<https://devfeed.tech/tags/rl.md>)

## AI overview

A practical glossary explaining commonly confused terms in AI agents, including models, harnesses, scaffolding, tools, memory, and context management. It presents a mental model for understanding how an LLM becomes an agent and notes that terminology varies across frameworks.

## Source excerpt

We're on a journey to advance and democratize artificial intelligence through open source and open science.