DeFi Builder | Crypto Author | Multi-Chain Ecosystem
Building the future of decentralized finance across 10 chains 🔵⟠⬡🟣🟡🔺🦄🟢🔶🧠
An autonomous payment gateway on Base mainnet. AI agents pay USDC per request to access AI models, batch payments, and DeFi data. No API keys, no accounts — just HTTP + crypto.
- 🤖 200+ AI models via OpenAI-compatible API ($0.005/req)
- 💸 Batch payments — any ERC-20 token + native ETH via Spraay ($0.01/req)
- 📊 Live swap quotes, token prices, balances, ENS resolution
- 🏪 Bazaar discoverable — agents find endpoints autonomously
- 🔗 Coinbase CDP facilitator on Base mainnet
- ⚡ Built on x402 protocol
- 🤖 MCP Server: spraay-x402-mcp — plug into Claude Desktop or Cursor
- 📡 9 paid + 5 free endpoints | Discovery →
github.com/plagtech/spraay-x402-mcp
MCP server for the Spraay x402 Gateway — connects Claude Desktop, Cursor, or any MCP-compatible AI client to onchain data, AI models, and batch payments on Base. 9 tools, pay-per-call in USDC.
| Tool | Cost | What It Does |
|---|---|---|
spraay_chat |
$0.005 | AI chat via 200+ models |
spraay_prices |
$0.002 | Live onchain token prices |
spraay_balances |
$0.002 | ETH + ERC-20 balances |
spraay_resolve |
$0.001 | ENS & Basename resolution |
spraay_batch_execute |
$0.01 | Batch payments (any ERC-20 + ETH) |
spraay_swap_quote |
$0.002 | Uniswap V3 swap quotes |
| + 3 more | $0.001+ | Models, tokens, gas estimates |
Listed on: Smithery · MCP.so · x402scan · LobeHub MCP · Glama
💧 Spraay
Multi-chain batch payment protocol — live on 10 chains. Send any ERC-20 token or native currency to 200+ recipients in a single transaction.
Live Deployments:
| Chain | Contract | Native + Token Support |
|---|---|---|
| 🔵 Base | 0x1646...B5eEC |
ETH + Any ERC-20 |
| ⟠ Ethereum | 0x1646...B5eEC |
ETH + Any ERC-20 |
| ⬡ Arbitrum | 0x08fA...E073 |
ETH + Any ERC-20 |
| 🟣 Polygon | 0x6d24...D7ff |
POL + Any ERC-20 |
| 🟡 BNB Chain | 0x3093...95C1 |
BNB + Any BEP-20 |
| 🔺 Avalanche | 0x0613...A650 |
AVAX + Any ERC-20 |
| 🦄 Unichain | 0x08fA...E073 |
ETH + Any ERC-20 |
| 🟢 Plasma | 0x08fA...E073 |
XPL + Any ERC-20 |
| 🔶 BOB | 0xEc85...4973 |
ETH + Any ERC-20 |
| 🧠 Bittensor | spraay-tao | TAO (native utility.batch_all) |
Features across chains:
- ⚡ ~80% gas savings vs individual transfers
- 🪙 Supports any ERC-20/BEP-20 token + native currency
- 📊 Equal or variable amount distributions
- 📁 CSV import for large batches
- 🔗 Social handle resolution (Farcaster, ENS)
- 💎 0.3% protocol fee
A standalone dapp on Base with batch payments and fiat onramp. Built with OnchainKit + ethers.js.
- 💸 Batch payments on Base (any ERC-20 + ETH)
- 💳 Coinbase Onramp — buy crypto directly in-app with fiat
- 🔗 Built with Next.js, OnchainKit, ethers.js v5
A next-gen DEX on Base featuring instant swaps and scheduled trading with gas-free transactions.
- ⚡ Instant token swaps with best price execution
- ⏰ Recurring scheduled swaps (DCA made easy)
- ⛽ Gas-free trading via Coinbase Paymaster
- 📦 EIP-5792 transaction batching
- 🔄 Routes through Uniswap V3 & Aerodrome
🔗 Try it now → | GitHub →
- A2A Agent Card: agent.spraay.app — Google A2A protocol
- XMTP Agent: Agent Mango on production network
- ERC-8004: Registered agent identity on Ethereum mainnet
- x402 Gateway: 9 paid endpoints, Bazaar discoverable
- MCP Server: Listed on 5+ directories
- Coinbase AgentKit PR #944 — AI agents batch-send via Spraay
- Bankr OpenClaw — Submitted Spraay skill for Bankr AI agent (69K+ users)
- Block Goose PR #7525 — Spraay MCP extension tutorial
"28 Tips for Creating Wealth in Crypto"
Sharing insights and strategies from years of experience navigating the crypto markets since 2021.
Blockchain: Solidity, Base, Ethereum, Arbitrum, Polygon, BNB Chain,
Avalanche, Unichain, Plasma, BOB, Bittensor (Substrate)
Frontend: React, Next.js, TypeScript, TailwindCSS
Web3: Wagmi, Viem, OnchainKit, ethers.js, RainbowKit
AI/Agents: x402 Protocol, Coinbase AgentKit, ERC-8004, A2A, XMTP, MCP
DeFi: Uniswap V3, Aerodrome
Backend: Python, bittensor SDK, Express, OpenRouter
Infra: Railway, Vercel, Fly.io, Coinbase CDP, Coinbase Paymaster
Tools: EIP-5792, Coinbase Onramp, OpenZeppelin
- 💧 Spraay — batch payments live on 10 chains
- 🌐 Growing the Spraay x402 Gateway — AI agent infrastructure
- 🤖 AI agent integrations (AgentKit, Bankr, x402 Bazaar, A2A, XMTP, Goose)
- 📈 Expanding MCP server distribution across directories
- 🤝 Building in the Base Build cohort
