DeFi Builder | Crypto Author | Multi-Chain Ecosystem

Building the future of decentralized finance across 13 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
• 📡 76 paid + 11 free endpoints | Discovery →

🔗 Live → | Docs → | GitHub →

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

60+ tools across 16 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 · Agent Wallet

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

Multi-chain batch payment protocol — live on 13 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 →

Open standard for AI agents to hire robots via x402 USDC micropayments. 8 gateway endpoints live (Category 15).

• 📐 rtp-spec — Protocol specification
• 🔧 rtp-sdk — JavaScript SDK
• 🐍 rtp-python-sdk — Python SDK
• 🍓 rtp-pi-demo — Raspberry Pi 5 hardware demo
• 📡 rtp-xmtp-mesh — XMTP mesh network
• 🌟 awesome-rtp — Curated resources

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

DEX on Base with instant swaps and scheduled trading via gas-free transactions. 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
• NVIDIA OpenShell-Community PR #50 — open
• NVIDIA NeMo-Agent-Toolkit-Examples PR #20 — open
• NVIDIA NemoClaw Issue #625 — open
• VoltAgent awesome-nemoclaw PR #1 — open
• Coinbase AgentKit PR #944 — open
• LangChain Community PR #557 — open
• ElizaOS PR #274 — open
• CrewAI PR #314 — open
• smolagents/Hugging Face PR #1997 — open
• Bankr OpenClaw — deployed

"28 Tips for Creating Wealth in Crypto"

Insights and strategies from years navigating crypto markets since 2021

Blockchain:    Solidity, Clarity, Base, Ethereum, Arbitrum, Polygon, BNB Chain,
               Avalanche, Unichain, Plasma, BOB, Solana, Bittensor, Stacks, Bitcoin
Frontend:      React, Next.js, TypeScript, TailwindCSS
Web3:          Wagmi, Viem, OnchainKit, ethers.js, RainbowKit, Phantom,
               UniSat, Xverse, Leather
AI/Agents:     x402 Protocol, MCP, Coinbase AgentKit, ERC-8004, A2A, XMTP,
               BlockRun SDK, Virtuals ACP, Dexter, NVIDIA Agent Toolkit,
               NVIDIA OpenShell, RTP, ProofLayer
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 v3.5.0 — 76 paid endpoints, Agent Wallet (Category 17), 13 chains
• 🤖 RTP — Robot Task Protocol for Physical AI + Base Batches 2026 Robotics Track
• 📈 Ecosystem grants (Arbitrum, Monad, Stacks, Agent Fund)
• 🤝 Building in the Base Build cohort