Uploaded August 2026 | Updated September 2026, 3 weeks ago
π₯ Build enterprise AI agents with Oracle AI Agent Studio β free templates on GitHub: oracle.com/application/fusion-ai
DeepSeek Harness tutorial for running Qwen 3.8 locally with Ollama and building your own plugins.
π Agentic Labs β exclusive AI coding courses, live Q&As, workshops & deep dives: skool.com/agentic-labs
π Free RAMP course + all the resources from my videos: skool.com/leonvanzyl
Claude Code and Codex decide how your coding agent works. DeepSeek Harness lets you decide. Every feature is a plugin, so you can rip out what you don't like and build what's missing. In this video I customise the harness with my own plugins, including a built-in browser and a theme selector.
Then I run Qwen 3.8 on my own machine with Ollama and build a preset that stops local models choking on tools they can't use. I also cover the plugin distribution step almost nobody explains. Total cost to run all of it: $0.
Resources Mentioned
DeepSeek Harness on GitHub: github.com/deepseek-ai/deepseek-harness
My browser, theme & shimmer plugins: skool.com/leonvanzyl
βΆοΈ Watch next: I Locked Claude Code in a Docker Sandbox and Let It Go Full YOLO β youtu.be/iUDuN9dyuTY
β±οΈ Chapters
0:00 Why DeepSeek Harness Is Different
1:24 DeepSeek Harness Setup
4:16 Sponsor: Oracle AI Agent Studio
5:32 Agent Modes, Permissions & Models
8:17 Creating Agent Presets
9:48 How to Run DeepSeek Harness Locally (Ollama + Qwen 3.8)
12:23 Installing DeepSeek Harness Plugins
14:19 Building Your Own Plugin
15:59 How to Distribute Your Plugins
Connect
X: https://x.com/leonvz
TikTok: tiktok.com/@leonvanzylofficial
Business & sponsorships: leon@cognaitiv.ai
π₯ Build enterprise AI agents with Oracle AI Agent Studio β free templates on GitHub: oracle.com/application/fusion-ai
DeepSeek Harness tutorial for running Qwen 3.8 locally with Ollama and building your own plugins.
π Agentic Labs β exclusive AI coding courses, live Q&As, workshops & deep dives: skool.com/agentic-labs
π Free RAMP course + all the resources from my videos: skool.com/leonvanzyl
Claude Code and Codex decide how your coding agent works. DeepSeek Harness lets you decide. Every feature is a plugin, so you can rip out what you don't like and build what's missing. In this video I customise the harness with my own plugins, including a built-in browser and a theme selector.
Then I run Qwen 3.8 on my own machine with Ollama and build a preset that stops local models choking on tools they can't use. I also cover the plugin distribution step almost nobody explains. Total cost to run all of it: $0.
Resources Mentioned
DeepSeek Harness on GitHub: github.com/deepseek-ai/deepseek-harness
My browser, theme & shimmer plugins: skool.com/leonvanzyl
βΆοΈ Watch next: I Locked Claude Code in a Docker Sandbox and Let It Go Full YOLO β youtu.be/iUDuN9dyuTY
β±οΈ Chapters
0:00 Why DeepSeek Harness Is Different
1:24 DeepSeek Harness Setup
4:16 Sponsor: Oracle AI Agent Studio
5:32 Agent Modes, Permissions & Models
8:17 Creating Agent Presets
9:48 How to Run DeepSeek Harness Locally (Ollama + Qwen 3.8)
12:23 Installing DeepSeek Harness Plugins
14:19 Building Your Own Plugin
15:59 How to Distribute Your Plugins
Connect
X: https://x.com/leonvz
TikTok: tiktok.com/@leonvanzylofficial
Business & sponsorships: leon@cognaitiv.ai










