Context engineering

All topics · Alphabetical index

Concepts

• Context construction; context selection; relevance; authority; freshness; provenance
• Context ordering; placement; token allocation; context budgets
• Truncation; compression; compaction; conversation summarization
• Selective history retrieval; just-in-time retrieval; progressive disclosure
• Lost-in-the-middle; context pollution; stale context; contradictory evidence
• User preferences; task instructions; task state; retrieved evidence
• Tool-result filtering; result summarization; source attribution
• Prompt caching; reusable prefixes; context reuse
• Constraint preservation; context handoff; session continuation

Further reading

Reference links for this topic.

• OpenAI agent engineering resources