# Core Context Management Quick Reference

> Sub-skill of core-context-management: Quick Reference.

- Skill: `vamseeachanta/core-context-management-quick-reference` (Agent Skill)
- Install (CLI): `npx skillmds@latest add vamseeachanta/core-context-management-quick-reference`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/core-context-management-quick-reference/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: vamseeachanta (https://skillmd.com/u/vamseeachanta)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vamseeachanta/core-context-management-quick-reference

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# Quick Reference

## Quick Reference


```
AGENTS.md Limits:
- Global (~/.Codex/AGENTS.md): 2KB max
- Workspace AGENTS.md: 4KB max
- Project AGENTS.md: 8KB max
- Codex.local.md: 2KB max
- Total Active: 16KB (~4K tokens)

Runtime Context:
- %ctx = (current_tokens / 200000) * 100
- Alert: >60% = archive older exchanges
- Critical: >80% = trim to essentials only
```

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