Add build-on-base and base-mcp skills

[youssefea]

Summary

• Adds build-on-base skill consolidating all existing Base development skills into one with a references/ directory for progressive context loading
• Adds base-mcp skill for the Base Account MCP server (mcp.base.org) with 9 reference files covering each tool + a Morpho lending plugin

Test plan

• npx skills add base/skills --skill build-on-base works
• npx skills add base/skills --skill base-mcp works
• build-on-base SKILL.md routes correctly to all reference files
• base-mcp SKILL.md routes correctly to reference files
• plugins/morpho.md has correct Morpho MCP orchestration patterns

🤖 Generated with Claude Code

[cb-heimdall]

🟡 Heimdall Review Status

Requirement	Status	More Info
Reviews	🟡 0/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 2 if repo is sensitive 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 0 Sum 1

[CuriQusEth]

---

name: build-on-base
description: >
Complete guide to building on Base. Covers network setup, smart contract deployment, Base Account, Builder Codes, payments, migrations (MiniKit → Farcaster, OnchainKit updates), and best practices for AI agents.

Build on Base

This skill provides a complete, up-to-date playbook for building applications and AI agents on Base.

When to use this skill

• "How do I build on Base?"
• "Deploy a smart contract on Base"
• "Integrate Base Account / Smart Wallet"
• "Migrate from MiniKit to Farcaster"
• "Add Builder attribution / Builder Codes"
• "Best practices for AI agents on Base"

Progressive Reference Loading

Load only the relevant reference when needed:

Core Topics

• network.md — RPCs, chains (Base Mainnet & Sepolia)
• deploy-contracts.md — Foundry, Hardhat, Viem, verification
• run-node.md — Running your own Base node

Base Account & Wallets

• base-account/overview.md
• base-account/authentication.md
• base-account/capabilities.md
• base-account/payments.md
• base-account/sub-accounts.md

Builder Ecosystem

• builder-codes/overview.md
• builder-codes/privy.md
• builder-codes/smart-wallets.md

Migrations

• migrations/minikit-to-farcaster/overview.md
• migrations/onchainkit/overview.md

Scripts (included)

• scripts/analyze_project.py — Analyze existing project and suggest improvements
• scripts/register.sh — Register Builder Code

Start by asking the user what they want to build, then load the relevant references.