# Otto AI
> Autonomous-finance AI agent ecosystem on Base — market intelligence, DeFi trading, prediction markets, yield, and creative tools. Accessible via the Agent Commerce Protocol (ACP), x402 pay-per-use HTTP APIs, and a Next.js dApp.

Otto's machine-readable, pay-per-use service surface is hosted at the canonical x402 host:
https://x402.ottoai.services

## Canonical agent-integration entry point
- Install hub (live runtimes + install instructions + machine-readable catalog pointers): https://useotto.xyz/install

## x402 API (pay-per-use, crypto payments)
- x402 service manifest: https://x402.ottoai.services/llm.txt
- x402 catalog (JSON): https://x402.ottoai.services/otto-x402-catalog.json
- x402 discovery: https://x402.ottoai.services/.well-known/x402
- Otto skill for Base MCP (read-only intel/research): https://x402.ottoai.services/otto.md

## Surfaces
- dApp: https://useotto.xyz
- Install hub: https://useotto.xyz/install
- Documentation: https://docs.useotto.xyz