context-optimization

Optimize AI context windows via compaction, observation masking, KV-cache optimization, and context partitioning.

947|163|Updated Jan 13, 2026
One-click install
npx skills add https://github.com/guanyang/antigravity-skills --skill context-optimization-guanyang
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: context-optimization
Source: https://github.com/guanyang/antigravity-skills/tree/main/skills/context-optimization
Command: npx skills add https://github.com/guanyang/antigravity-skills --skill context-optimization-guanyang

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the limitations of finite AI context windows, enabling agents to process more information, reduce operational costs, and improve efficiency without needing larger models.

Core Features & Use Cases

  • Context Compaction: Summarizes older conversation turns and tool outputs to free up space.
  • Observation Masking: Replaces verbose tool outputs with compact references, preserving essential information while reducing token usage.
  • KV-Cache Optimization: Designs prompts and structures context to maximize the reuse of cached computations, reducing latency and cost.
  • Context Partitioning: Divides complex tasks among sub-agents with isolated contexts for better management of large information sets.
  • Use Case: An agent managing a long-running customer support conversation can use this skill to summarize past interactions, mask detailed technical logs that are no longer immediately relevant, and ensure that the most critical information remains accessible within the token limit, thereby reducing costs and maintaining performance.

Quick Start

Use the context optimization skill to summarize the last 5 turns of the conversation.

Frequently Asked Questions about context-optimization

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I reduce token costs in long-running agent systems?

Reduce token costs by applying context compaction to summarize older conversation turns and observation masking to replace verbose tool outputs with compact references. This minimizes token usage while preserving essential information for long-running agent systems.

What is KV-cache optimization and how does it improve agent efficiency?

KV-cache optimization designs prompts and structures context to maximize the reuse of cached computations. By maintaining cache stability through prompt engineering, it significantly reduces latency and computational costs for repeated agent interactions.

How to extend effective context capacity for large-scale production deployments?

Extend effective context capacity by dividing complex tasks among sub-agents with isolated contexts using context partitioning. This manages large information sets efficiently without requiring larger models for production deployments.

Does context window optimization work for customer support conversation management?

Context window optimization works for customer support conversations by summarizing past interactions and masking detailed technical logs. This keeps critical information accessible within token limits while reducing operational costs and maintaining performance.

What are the limitations of context compaction and observation masking?

Context compaction and observation masking require understanding of summarization techniques and token budgeting. Limitations include potential loss of detailed information when summarizing older turns, though compact references preserve essential data while reducing token usage.