Feature Index — Cross-feature cheatsheet
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NOTE
One-page lookup of every configuration feature, when it loads, what problem it solves, and where to read more.
Feature × Loading × Chapter
| Feature | When it loads | Lives in | Chapter | Topic page |
|---|---|---|---|---|
| CLAUDE.md | Session start (always) | Project / user / local | Part 3 | Topic |
| Rules | When a glob matches | .claude/rules/ (typical) | Part 4 | Topic |
| Skills | LLM invokes by name | .claude/skills/ | Part 5 | Topic |
| Agents | LLM (or user) spawns | Plugins / config | Part 5 | Topic |
| MCP | Tools always advertised, schemas via Tool Search | External servers | Part 6 | Topic |
| Hooks | Lifecycle event fires | settings.json | Part 7 | Topic |
| Code Intelligence (LSP) | On symbol query / live diagnostics | IDE / language server | Part 9 | Topic |
| Agent Teams | Across sessions, project-scoped | Persistent sessions + shared artifact store | Part 10 | Topic |
| Plugins | Install time | Marketplaces | Appendix | Topic |
Feature × Structural Problem
Which feature is the primary tool for each of the 8 structural problems.
| Problem | Primary feature(s) | Why |
|---|---|---|
| Context Rot | Rules, Skills, Tool Search, Agent Teams | Move material out of always-loaded context; Agent Teams keeps every session small |
| Lost in the Middle | /compact, Agents, Agent Teams | Keep context short; short per-session histories never form a "middle" |
| Priority Saturation | CLAUDE.md (kept lean), Rules, Agent Teams | Fewer competing signals; one role per session |
| Hallucination | MCP, LSP (Part 9), Agents | Ground in real data, real symbols, or isolated reasoning |
| Sycophancy | Hooks | Enforcement the LLM can't talk past |
| Knowledge Boundary | MCP, LSP, Skills, Plugins | Inject capability beyond training cutoff; resolve project-private symbols |
| Prompt Sensitivity | Hooks, settings, Plugins | Deterministic behavior independent of phrasing; team-shared verified prompts |
| Instruction Decay | CLAUDE.md, Rules, Hooks, Plugins | Re-inject or enforce outside the LLM; org conventions survive turnover |
Feature × Visibility to the LLM
See also
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