DeepSeek Harness Hands-on Tutorials

Master end-to-end AI agent development on the Cordis microkernel. From scaffolding your first security guard plugin, defineTool typed tools, and schema validation, to mastering Fiber lifecycle state machines, dependency injection, event dispatching, three-layer capability architecture (Seam/Provider/Tool), and custom streaming LLM adapters for production-grade agent engineering.

Getting Started

Quickstart

Master environment requirements, zero-config Web UI launch via npx, source build, and model API key setup.

Microkernel Architecture

Cordis Framework Overview

Systematically understand the spatiotemporal composability philosophy, microkernel design, service dependency graph, and isolated contexts.

Recommended Reading Path

Master Agent = Model + Harness philosophy and installation, explore Cordis plugin architecture, and understand 4 preset modes.

Guide Table of Contents

Structured directory by getting started, basic plugin development, core framework, production practice, and Cordis framework.

Cordis Framework Guide

From microkernel fundamentals to services, events, config, and entering Harness.

Extended Resources

Explore official DeepSeek announcements and docs.

DeepSeek Plugins Marketplace

Explore 110+ curated Cordis plugins spanning core orchestration, AST analysis, Docker sandboxes, Kafka streaming, and MCP bridges with one-click declarative install.

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DeepSeek Harness Developer Docs

Explore complete quickstart guides, Cordis microkernel API references, PTC execution paradigms, and Trajectory append-only event streaming specifications.

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DeepSeek Official GitHub

Track the official open-source repository, dive into the agent infrastructure codebase, contribute plugins, and submit community issues and PRs.

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