AI
Context Engineering Inside the Harness: 4 Mechanisms That Beat Context Overflow and Goal Loss on Long-Horizon Tasks
MarkTechPostSunday, September 13, 2026 at 5:56 AM
RedScroll Brief
A shallow agent is an LLM calling tools in a loop, and on long tasks it fails in 2 ways: context overflow and goal loss. This article opens the harness layer that fixes both, with the actual thresholds shipped by LangChain Deep Agents, Claude Code, Manus, OpenAI Codex and Amazon…
RedScroll Signal
- Impact
- High
- Category
- Ai
- Market relevance
- Moderate
- Why it matters
- AI developments move capital, regulation, and competitive advantage across the tech stack. A shallow agent is an LLM calling tools in a loop, and on long tasks it fails in 2 ways: context overflow and goal loss. This article opens the harness layer that fixes both, with the actual thresholds shipped by LangChain Deep Agents, Claude Code, Manus, OpenAI Codex and Amazon… Secondary effects may show up in markets and supply chains linked to Context Engineering Inside and Harness.
Desk copy
RedScroll Briefing
Extractive editorial brief — not a reprint of the original
What happened
A shallow agent is an LLM calling tools in a loop, and on long tasks it fails in 2 ways: context overflow and goal loss. This article opens the harness layer that fixes both, with the actual thresholds shipped by LangChain Deep Agents, Claude Code, Manus, OpenAI Codex and Amazon…
Why it matters
AI developments move capital, regulation, and competitive advantage across the tech stack.
Background
MarkTechPost reported on this under ai. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.
Timeline
MarkTechPost published: Context Engineering Inside the Harness: 4 Mechanisms That Beat Context Overflow and Goal Loss on Long-Horizon Tasks
Story is in today’s RedScroll edition. Follow the original source for updates.
Economic impact
Secondary effects may show up in markets and supply chains linked to Context Engineering Inside and Harness.
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Source
MarkTechPost
Original reporting by MarkTechPost. RedScroll provides an extractive briefing only.