# Capabilities

Pluggable building blocks that give an agent power beyond raw LLM calls.

## Sections

- [Tools](tools/index.md) — Built-in catalog (63 POJO toolkits, 209 `@Tool` methods, 29 categories), custom tools, registration.
- [Skills](skills/index.md) — On-demand modular knowledge (Claude Code's Skills layer), `SKILL.md` parser, resolver policies, per-skill tool scope.
- [Intelligence](intelligence/index.md) — Planning (GOAP/HTN), reasoning (ReAct/ToT), FSM, context, learning.
- [RAG](rag/index.md) — Knowledge bases, retrieval strategies, production pipelines. TnsAI 0.14.0 also has [agent-level action RAG](rag/agent-knowledge.md) and [graph stores](rag/graph-stores.md).
- [LLM](llm/index.md) — Providers, routing, caching, cost tracking, audio.

## Related

- [Agents](../agents/index.md) — Where capabilities get composed.
- [Deploy & Integrate](../integrate/index.md) — Where capabilities reach the outside world.