Get started with DeepSeek Harness, from setup to real-world use

Explore setup, releases, the Python SDK, multi-agent collaboration, and security—or find a DeepSeek integration guide for Codex, Claude Code, OpenCode, and more.

in-depth Harness articles
47
Agent integration guides
22

Start with these three guides

Start with the complete setup, review the current npm default before upgrading, or configure the new V4.1 Flash model.

Find guides by topic

Go straight to the topic that matches what you are working on now.

01

DeepSeek V4.1 Flash

Compare V4 Pro and V4.1 Flash, configure image modalities, audit usage, troubleshoot loops, and reproduce DeepSWE.

03

Development & security

Manage dynamic tools and schedules, configure modalities, use the SDK and Agent Teams, and understand DSH security.

04

Research & ecosystem

Audit Agent behavior and usage, then read current Agent Harness research and native DSH ecosystem reports.

05

Release updates

Check pre-releases, published npm versions, and important notes before upgrading.

Show more (13)

Configure the Agent you use

Choose an Agent to find its endpoint, API key, and model-name setup steps, plus solutions to common connection issues.

Common Agents

All integration guides

18

Official DeepSeek resources

Use the original platform and API documentation alongside our independent tutorials.