Blog
DeepSeek Harness articles
Comparisons, deep dives, and analysis.
Comparison
DeepSeek Harness vs Claude Code
Plugins vs MCP, open source vs closed, pricing, and which to choose. →
ConceptWhy it's called a Harness
Agent = Model + Harness, the Cordis kernel, and time/spatial composability. →
GuideThe four modes
Standard, PTC, Minimal, and Create — a complete guide. →
AnalysisAppend-only session logs
Observable, auditable, reproducible agent debugging. →
AnalysisCost & caching
How harness choice moves the token bill by up to 7x. →
ReviewFirst impressions & V4 Pro pricing
37k stars, cache pricing up 12x, the four modes, and the best community plugins. →
ArchitectureThe self-modifying agent
Everything-is-a-plugin, Cordis, and the "make your own wrench" Create mode. →
Comparisonvs Codex
Agent presets vs scenario modes, rebuildable sessions, and the plugin model. →
AnalysisPi & the 99.93% cache hit rate
Minimal tools + append-only sessions = cheap DeepSeek. →