DeFi Builder | Crypto Author | Multi-Chain Ecosystem

Building the future of decentralized finance across 11 chains 🔵⟠⬡🟣🟡🔺🦄🟢🔶🧡🧠

A full-stack autonomous payment gateway on Base mainnet. AI agents pay USDC per request to access DeFi, payments, AI inference, analytics, payroll, escrow, and 200+ AI models. No API keys, no accounts — just HTTP + crypto.

• 🤖 93 AI models — dual-provider inference via BlockRun (43 models, x402 wallet auth) + OpenRouter (50 models, API key)
• 🧠 Smart routing — blockrun/auto picks the cheapest capable model via ClawRouter (saves up to 78%)
• 💸 Batch payments — any ERC-20 token + native ETH via Spraay
• 🔗 Bridge, swap, payroll, invoicing, escrow, oracle, analytics
• 🧠 AI inference — wallet classification, tx analysis, contract explanation
• 📡 Email, XMTP messaging, webhooks, cron scheduling, IPFS storage, multi-chain RPC
• 🔐 KYC, auth sessions, audit trail, tax calculation — all with Supabase persistence
• 🏪 Bazaar discoverable — agents find endpoints autonomously
• 🔗 Coinbase CDP facilitator on Base mainnet
• ⚡ Built on x402 protocol
• 📡 62 paid + 5 free endpoints | Discovery →

🔗 Live → | GitHub →

mcp.spraay.app · github.com/plagtech/spraay-x402-mcp

60 tools across 15 categories — connects Claude Desktop, Cursor, or any MCP-compatible AI to full-stack DeFi infrastructure on Base. Pay USDC per call via x402 protocol. Supabase-backed persistent storage.

{
  "mcpServers": {
    "spraay": {
      "command": "npx",
      "args": ["-y", "spraay-x402-mcp"],
      "env": { "EVM_PRIVATE_KEY": "0xYOUR_KEY" }
    }
  }
}

Categories: AI · Payments · Swap · Oracle · Bridge · Payroll · Invoice · Analytics · Escrow · AI Inference · Communication · Infrastructure · Identity & Access · Compliance · Data

Listed on: Smithery · MCP.so · Glama · PulseMCP · mcp.spraay.app

Multi-chain batch payment protocol — live on 11 chains. Send any ERC-20 token or native currency to 200+ recipients in a single transaction.

Live Deployments:

Features:

• ⚡ ~80% gas savings vs individual transfers
• 🪙 Supports any ERC-20/BEP-20/SPL token + native currency
• 📊 Equal or variable amount distributions
• 📁 CSV import for large batches
• 🔗 Social handle resolution (Farcaster, ENS, Basenames)
• 💎 0.3% protocol fee

🔗 spraay.app →

Standalone dapp on Base with batch payments, Farcaster Mini App, and fiat onramp.

• 💸 Batch payments on Base (any ERC-20 + ETH)
• 💳 Coinbase Onramp — buy crypto directly in-app
• 📱 Farcaster Mini App compatible
• 🔗 Built with Next.js, OnchainKit, ethers.js v5

🔗 Try it → | GitHub →

DEX on Base with instant swaps and scheduled trading via 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 → | GitHub →

Ecosystem integrations:

• coinbase/x402 ecosystem listing ✅ merged
• punkpeye/awesome-mcp-servers ✅ merged
• Block Goose PR #7525 ✅ merged
• Coinbase AgentKit PR #944 — open
• LangChain Community PR #557 — open
• ElizaOS PR #274 — open
• CrewAI PR #314 — open
• smolagents/Hugging Face PR #1997 — open
• BlockRun awesome-blockrun — open
• BlockRun awesome-OpenClaw-Money-Maker — open
• Bankr OpenClaw — deployed

"28 Tips for Creating Wealth in Crypto"

Insights and strategies from years navigating crypto markets since 2021

Blockchain:    Solidity, Base, Ethereum, Arbitrum, Polygon, BNB Chain,
               Avalanche, Unichain, Plasma, BOB, Solana, Bittensor
Frontend:      React, Next.js, TypeScript, TailwindCSS
Web3:          Wagmi, Viem, OnchainKit, ethers.js, RainbowKit, Phantom
AI/Agents:     x402 Protocol, MCP, Coinbase AgentKit, ERC-8004, A2A, XMTP,
               BlockRun SDK, Virtuals ACP, Dexter
DeFi:          Uniswap V3, Aerodrome
Backend:       Node.js, Express, Python, bittensor SDK
Database:      Supabase (Postgres)
Infra:         Railway, Vercel, Fly.io, Coinbase CDP, Coinbase Paymaster
Tools:         EIP-5792, Coinbase Onramp, OpenZeppelin, OpenRouter, BlockRun

• 💧 Spraay x402 Gateway v3.3.0 — 62 paid endpoints, dual-provider AI (BlockRun + OpenRouter), Supabase persistence
• 🤖 MCP server v3.3.0 — 60 tools, live at mcp.spraay.app
• 🏪 Virtuals ACP — graduating to live marketplace
• 📈 Ecosystem grants (Arbitrum, Monad, Stacks, Agent Fund)
• 🤝 Building in the Base Build cohort