DeFi Builder | Crypto Author | Multi-Chain Ecosystem

Building the future of decentralized finance across 15 chains 🔵⟠⬡🟣🟡🔺🦄🟢🔶🧡🧠₿⚡💧⭐

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

• 📡 157 primitives — 151 paid + 6 free across 39 categories | Discovery →
• 🤖 200+ AI models — OpenAI-compatible chat completions via BlockRun + OpenRouter (streaming, function calling, vision)
• 🧬 Bittensor decentralized inference — censorship-resistant chat, image gen, and embeddings via SN64/SN19
• 💸 Batch payments — any ERC-20 token + native currency to 200 recipients, implementing BPA 1.0 (Batch Payments for Agents)
• 🔗 Swap, bridge, payroll, invoicing, escrow, oracle, analytics, DeFi positions
• 🧠 On-chain inference — wallet classification, tx analysis, contract explanation, intelligence briefings
• ⚙️ Managed Compute + Compute Futures — text/image/video/TTS/STT/embeddings with prepaid credit tiers
• 🔍 Search / RAG — web search, content extraction, and question answering
• 📚 Research & Reference (23 endpoints) — academic papers, preprints, biomedical, chemistry, demographics
• 🏭 Supply Chain (SCTP) — suppliers, purchase orders, invoices, AI invoice verification
• 👛 Agent Wallet — ERC-4337 smart wallets with session keys & spending controls
• 📧 Email, SMS, XMTP messaging, webhooks, cron scheduling, IPFS/Arweave storage, multi-chain RPC, logs
• 🔐 KYC/sanctions screening, auth sessions, immutable audit trail, FIFO tax & IRS 8949 reports
• 🏪 Bazaar discoverable — agents find endpoints autonomously
• ⚡ Dual protocol — x402 (Coinbase CDP facilitator on Base) + MPP (Tempo / stripe-spt / pathUSD)

🔗 Live → | Docs → | GitHub →

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

153 tools across 25+ categories — connects Claude Desktop, Cursor, or any MCP-compatible AI to full-stack DeFi infrastructure on Base & Solana. 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 · Bittensor · Payments · Swap · Bridge · Oracle · Payroll · Invoice · Escrow · Analytics · On-chain Inference · Managed Compute · Compute Futures · Search/RAG · Research · Communication · Infrastructure · Identity & Access · Compliance · GPU · Supply Chain (SCTP) · Agent Wallet · RTP

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

Multi-chain batch payment protocol — live on 15 chains. Send any ERC-20 token or native currency to 200+ recipients in a single transaction. Open spec: BPA 1.0.

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.

• 📐 rtp-spec — Protocol specification
• 🔧 rtp-sdk — JavaScript SDK
• 🐍 rtp-python-sdk — Python SDK (PyPI: spraay-rtp)
• 🍓 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:

• google/adk-python-community PR #95 ✅ merged — first community tool in Google's Agent Development Kit
• AWS Strands PR #825 ✅ merged
• coinbase/x402 ecosystem listing ✅ merged
• punkpeye/awesome-mcp-servers ✅ merged
• Block Goose ✅ merged
• NVIDIA NeMo-Agent-Toolkit-Examples PR #20 — open
• Coinbase AgentKit PR #944 — open
• LangChain docs PR #3245 — open · langchain-spraay on PyPI
• Solana Foundation pay-skills PR #97 — open

"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, MPP, MCP, Google ADK, Coinbase AgentKit, ERC-8004,
               A2A, XMTP, BlockRun SDK, Bittensor, Virtuals ACP, Dexter,
               NVIDIA Agent Toolkit, RTP, SCTP, 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, EIP-4337, Coinbase Onramp, OpenZeppelin, OpenRouter, BlockRun

• 💧 Spraay x402 Gateway v3.8.1 — 157 primitives, dual protocol (x402 + MPP), Base & Solana
• 📐 BPA 1.0 — open Batch Payments for Agents spec
• 🤖 RTP — Robot Task Protocol for Physical AI + Base Batches 2026 Robotics Track
• 🏭 SCTP — Supply Chain Trade Protocol for B2B agent commerce
• 📈 Ecosystem grants (Arbitrum, Stacks, Agent Fund, and more)
• 🤝 Building in the Base Build cohort