# Building Blocks

> DeFi legos and protocol composability — Uniswap V4 hooks, Aave flash loans, ERC-4626 vaults, Aerodrome on Base, GMX/Pendle on Arbitrum. Dominant DEX per L2 and how to combine protocols safely.

- Skill: `bankrbot/building-blocks-2` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add bankrbot/building-blocks-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bankrbot/building-blocks-2/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: BankrBot (https://skillmd.com/u/bankrbot)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bankrbot/building-blocks-2

---


# Building Blocks

Provided by EthSkills. Installs outside this repo — see `catalog.json` `install.command`.