AgentStamp
Stamp your agent into existence.
A lightweight x402-powered platform combining AI agent identity certification, a public agent registry, reputation scores, cross-protocol passports, and a digital wishing well — all payable via USDC micropayments on Base and Solana.
Live at: https://agentstamp.org
Quick Start
git clone https://github.com/vinaybhosle/agentstamp.git
cd agentstamp
npm install
cp .env.example .env # Edit with your wallet address
npm start # Backend at http://localhost:4005Web Frontend
cd web
npm install
npm run dev # Development at http://localhost:3000
npm run build && npm start # Production at http://localhost:4000Seed Demo Data
npm run seed # 5 agents, 5 stamps, 10 wishes, 5 endorsementsArchitecture
- Runtime: Node.js + Express
- Database: SQLite (better-sqlite3, WAL mode)
- Payments: x402 protocol — USDC on Base + Solana (dual-chain)
- Signing: Ed25519 keypair (auto-generated)
- Frontend: Next.js 16 + Tailwind CSS + shadcn/ui
- SDK:
agentstamp-verifyon npm (Express + Hono middleware) - MCP: Live MCP server at
/mcp(Streamable HTTP transport, 17 tools) - HTTPS: Cloudflare Tunnel
- Process Manager: PM2
