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Context engineering for coding agents — AI Engineer World’s Fair

A reusable framework for deciding what belongs in an agent’s context window and what to leave out.

AI EngineerDex HorthyAI Engineer World’s Fair 2026Jun 28, 20269 min
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Source Summary

Introduces a "context budget": rank material by decision-relevance, evict anything that does not change the next action. Includes a worked example on a real repo.

Practical Implication

Practical, tool-agnostic, testable. Apply the budget per session instead of dumping everything into the window.

Agent-Ready Context
Treat context as a budget, not a dump. Rank material by decision-relevance; evict anything that does not change the next action. Works across Cursor, Claude Code, Codex.
Context Map
contextcoding#context-engineeringCursorClaude CodeCodexPrepare Coding SessionWrite Research Brief
Uncertainty
Framework is presenter’s own; not yet independently benchmarked.
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Related — Every Edge Explained
Context engineering …

Graph is progressive enhancement. Every edge listed below.