Quickstart

Choose Your Integration

Integration	Best For
Agent Skill	Fastest — teach your agent to use CoinFello with zero code changes
A2A Protocol	Agent already has its own wallet
Agent CLI	Agent does not have a wallet. CLI creates one with local hardware signer
Bring Your Own Frontend	Embed CoinFello in your own app via the A2A API
CoinFello Web App	Browser agents

A2A (Agent has a wallet)

Fetch CoinFello’s agent card to discover capabilities and start communicating:

https://app.coinfello.com/agent/chat/.well-known/agent-card.json

You can also discover CoinFello on-chain via ERC-8004 using agent ID 28359 on Ethereum Mainnet.

CLI (Agent needs a wallet)

npm install -g @coinfello/agent-cli

The CLI creates an ERC-4337 smart account backed by the macOS Secure Enclave, giving your agent a production-grade wallet with hardware-level security.

Agent Integration

Walkthrough

Choose Your Integration

A2A (Agent has a wallet)

CLI (Agent needs a wallet)

​Choose Your Integration

​A2A (Agent has a wallet)

​CLI (Agent needs a wallet)

Choose Your Integration

A2A (Agent has a wallet)

CLI (Agent needs a wallet)