Ranked list of 18 projects (of 1.2k matched), sorted by GitHub stars. Open source and self-hostable where applicable.
1 
N Your AI trading terminal assistant for US stocks, commodities, forex, and crypto.
2 
C The agent-native LLM router for autonomous agents. 55+ models (8 free), <1ms local routing, USDC payments on Base & Solana via x402.
3 
X A payments protocol for the internet. Built on HTTP.
4 
B A local-first AI agent with persistent memory, emotional intelligence, and a peer-to-peer skills economy.
5 
I The trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 payments, escrow, and dispute resolution as one open, catch-all Agent Skill / Claude Code plugin.
6 F The AI agent with a wallet — spends USDC autonomously to get real work done. Apache-2.0, TypeScript.
7 
D Daydreams is a set of tools for building agents for commerce
8 
M Agent behavior that compiles
9 
A The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit of HTTP 402 "Payment Required" for the decentralized agent ecosystem.
10 
C Open Source AI trading agent that operates autonomously across 1000+ markets - Polymarket, Kalshi, Binance, Hyperliquid, Solana DEXs, 5 EVM chains. Scans for edge, executes instantly, manages risk while you sleep. Agent commerce protocol for machine-to-machine payments. Self-hosted. Built on Claude.
11 
P The world's first privacy layer for AI agents on Solana — stealth addresses + x402 payments. Every payment lands at a fresh, unlinkable address.
12 B Live data for AI agents — search, research, markets, crypto, X/Twitter. Pay-per-call via x402 micropayments.
13 
X x402 Ecosystem Explorer
14 
A A curated collection of open source fintech libraries and resources.
15 
X x402 payments in Rust: verify, settle, and monitor payments over HTTP 402 flows
16 
P Publishes localhost services to the agentic web through self-hostable, trustless relays with x402 payments.
17 
A 🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.
18 X Drop-in OpenAI Python client with transparent x402 payment support.