AgentsThe story, in brief

Presentation: The Right 300 Tokens Beat 100k Noisy Ones: The Architecture of Context Engineering

Coding agents fail because of bloated context. Here's the architecture that fixes it.

Illustration of independent geometric mechanisms passing paper tasks along branching amber tracks.
AI agents and the coordination of work.AI illustration by KeyNews
The KeyNews take

Why it matters

Context engineering is becoming a critical reliability discipline for production agents. This presentation distills practical patterns (lazy-loaded skills, versioned artifacts, external memory, LLM-as-a-judge) that turn unreliable agentic workflows into dependable systems — a gap practitioners are hitting right now.

The key facts

12 to know
  1. Context window bloat identified as a root cause of agent failures

  2. Lazy-loaded skills pattern for context efficiency

  3. Versioned context artifacts for reproducibility

  4. Externalized memory banks for state management

  5. LLM-as-a-judge evals for agentic workflow validation

  6. Target audience: software architects and engineering leaders deploying agents

  7. Focus: turning markdown-based prompts into reliable agentic systems

  8. Core problem: bloated context windows and stuffed prompts cause agent failure

  9. Solutions presented: lazy-loaded skills, versioned context artifacts, externalized memory banks

  10. LLM-as-a-judge evals used for context quality validation

  11. Focus: turning markdown workflows into reliable agentic systems

  12. Source: InfoQ presentation (practitioner-focused conference talk)

Go to the source

InfoQ AI/MLinfoq.com

Publisher excerpt: Baruch Sadogursky and Patrick Debois discuss why coding agents fail due to bloated context windows and stuffed prompts. They explain practical context engineering fixes, including lazy-loaded skills, versioned context artifacts, externalized memory banks, and LLM-as-a-judge evals. Software…
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