AgentKit
Build AI agents that can own wallets, send transactions and interact with blockchain networks.
Demo App
Coinbase
Open Source
GitHub
BaseEthereum
Intermediate1 Hour
All ecosystems
Ethereum
Base+3
Ethereum
Arbitrum+2
EthereumBase+2
EthereumBase+3
Arbitrum
Developer tools, APIs, grants and opportunities within the Arbitrum ecosystem.
Overview
Deploy L2 apps with shared Ethereum tooling — RPC, indexing, and wallet APIs all support Arbitrum.
Featured APIs
View allAlchemy
Blockchain node infrastructure and developer APIs.
Free
Freemium
The Graph
OSS
Decentralized indexing for querying blockchain data via GraphQL.
Free
Freemium
WalletConnect
OSS
Open protocol connecting wallets to decentralized applications.
Free
Freemium
RainbowKit
OSS
React wallet connection library with polished UX.
Free
Build Recipes
View allOnchain Agent Demo
A Next.js application showing how to build an AI agent capable of performing onchain operations.
Demo App
Coinbase
Open Source
GitHub
BaseEthereum
Intermediate1 Hour
Fluora AgentKit Example
Example AI agent combining AgentKit with blockchain interactions for real-world crypto operations.
GitHub
Community
Open Source
GitHub
BaseEthereum
AdvancedWeekend Project
Onchain Commerce Shop
Commerce starter application for selling products onchain with wallet checkout and USDC payments.
Template
Coinbase CDP
Open Source
GitHub
BaseEthereum
IntermediateWeekend Project
Grants
View allArbitrum Grants
Arbitrum Foundation
Funding for developers building on Arbitrum One and Orbit chains.
Immunefi Bug Bounties
Immunefi
Paid bounties for finding and reporting vulnerabilities in crypto protocols.
ETHGlobal
ETHGlobal
Global Ethereum hackathon series with multiple in-person and online events each year.
Builder Intel
More intelNo builder intel posts tagged for this ecosystem yet.