DeFi Builder | Crypto Author | Base, Plasma & Bittensor Ecosystem
Building the future of decentralized finance on Base 🔵, Plasma ⚡, and Bittensor 🟢
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 USDC payments via Spraay protocol ($0.01/req)
- 📊 Live swap quotes from Uniswap V3 ($0.002/req)
- 🏪 Bazaar discoverable — agents find endpoints autonomously
- 🔗 Coinbase CDP facilitator on Base mainnet
- ⚡ Built on x402 protocol
- 🤖 MCP Server available: spraay-x402-mcp — plug into Claude Desktop or Cursor
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 USDC payments |
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
💧 Spraay
Multi-chain batch payment protocol. Send to 200+ recipients in a single transaction. Each chain has its own integrated batch payment app:
- 🔵 Base — Batch ETH & ERC-20 tokens on Base
- ⚡ Plasma — Batch XPL, USDT0 & ERC-20s with sub-second finality
- 🟣 Unichain — Batch payments on Unichain
- 🟢 Bittensor — Native TAO batch transfers via
utility.batch_allfor subnet operators
Features across chains:
- ⚡ ~80% gas savings vs individual transfers
- 📊 Equal or variable amount distributions
- 📁 CSV import for large batches
- 🔗 Social handle resolution (Farcaster, ENS)
- 💎 0.3% protocol fee
🔗 spraay.app → | Base Contract → | Plasma Contract →
A standalone dapp on Base with batch payments and fiat onramp. Separate from spraay.app — built with OnchainKit + ethers.js.
- 💸 Batch USDC payments on Base
- 💳 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 →
- Coinbase AgentKit PR #944 — AI agents batch-send via Spraay (pending approval)
- Bankr OpenClaw — Submitted Spraay skill for Bankr AI agent (69K+ users, pending approval)
"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, Plasma, Unichain, Bittensor (Substrate)
Frontend: React, Next.js, TypeScript, TailwindCSS
Web3: Wagmi, Viem, OnchainKit, ethers.js, RainbowKit
AI/Agents: x402 Protocol, Coinbase AgentKit, Bankr OpenClaw
Backend: Python, bittensor SDK, Express, OpenRouter
Infra: Railway, Vercel, Coinbase CDP, Coinbase Paymaster
Tools: EIP-5792, Coinbase Onramp, OpenZeppelin
- 🌐 Growing the Spraay x402 Gateway — AI agent infrastructure on Base
- 🔨 Expanding Spraay multi-chain (Base, Plasma, Unichain, Bittensor)
- 💳 Coinbase Onramp integration in Spraay Base App
- 🤖 AI agent integrations (AgentKit, Bankr, x402 Bazaar)
- 📈 Growing Base, Plasma & Bittensor ecosystem presence
- 🤝 Building in the Base Build cohort
