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Core Loop
s01
The Agent Loop
s02
Tool Use
s03
TodoWrite
s04
Subagent
s05
Skills
s06
Context Compact
System Hardening
s07
Permission System
s08
Hook System
s09
Memory System
s10
System Prompt
s11
Error Recovery
Task Runtime
s12
Task System
s13
Background Tasks
s14
Cron Scheduler
Multi-Agent Platform
s15
Agent Teams
s16
Team Protocols
s17
Autonomous Agents
s18
Worktree Isolation
s19
MCP & Plugin
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s19a-mcp-capability-layers.md