DeFi Builder | Crypto Author | Multi-Chain Ecosystem
Building the future of decentralized finance across 15 chains 🔵⟠⬡🟣🟡🔺🦄🟢🔶🧡🧠₿⚡💧⭐
🌐 Spraay x402 Gateway — v3.8.1
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.
- 📡 190 primitives — 158 paid + 32 free across 33 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)
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
💧 Spraay
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:
| Chain | Contract | Native + Token Support |
|---|---|---|
| 🔵 Base | 0x1646...B5eEC |
ETH + Any ERC-20 |
| ⟠ Ethereum | 0x15E7...58b3 |
ETH + Any ERC-20 |
| ⬡ Arbitrum | 0x5be4...4302 |
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 |
| 🧡 Solana | TypeScript SDK | SOL + Any SPL Token |
| 🧠 Bittensor | spraay-tao | TAO (native utility.batch_all) |
| ⚡ Stacks | ST7431...spraay-batch |
STX (Clarity contract) |
| ₿ Bitcoin | PSBT-based | BTC (UniSat/Xverse wallets) |
| 💧 XRP Ledger | x402 Gateway | XRP (native batch) |
| ⭐ Stellar | x402 Gateway | XLM (native batch) |
Features:
- ⚡ ~80% gas savings vs individual transfers
- 🪙 Supports any ERC-20/BEP-20/SPL token + native currency
- 📊 Equal or variable amount distributions
- 🔏 EIP-2612 permit-optimized approvals — exact allowance, 30-minute expiry
- 📁 CSV import for large batches
- 🔗 Social handle resolution (Farcaster, ENS, Basenames)
- 💎 0.3% protocol fee
Open standard for AI agents to hire robots via x402 USDC micropayments. 8 gateway endpoints live. Merged into NVIDIA NeMo-Agent-Toolkit-Examples.
- 📐 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.
| Protocol | Details |
|---|---|
| x402 Gateway | 190 primitives (158 paid + 32 free), 33 categories, Bazaar discoverable, v3.8.1 — Base & Solana |
| Dual Protocol | x402 (Coinbase CDP facilitator) + MPP (Tempo / stripe-spt / pathUSD) |
| BPA 1.0 | Batch Payments for Agents — open spec at docs.spraay.app/bpa/1.0 |
| MCP Server | 153 tools, live at mcp.spraay.app |
| NVIDIA NeMo | ✅ Merged — full paid toolset (batch, escrow, RTP) in NeMo-Agent-Toolkit-Examples |
| Google ADK | ✅ Merged into google/adk-python-community — first community tool |
| AWS Strands | ✅ Merged into strands-agents/tools |
| Agent Wallet | ERC-4337 smart wallets with session keys on Base mainnet |
| A2A Agent Card | agent.spraay.app |
| XMTP Agent | Agent Mango on production network via Fly.io |
| ERC-8004 | MangoSwap #26345, Spraay #26346, Dexter Agent #27567 |
| Virtuals ACP | Registered Provider on agdp.io — batch payments as a service |
| RTP | 8 endpoints, Robot Task Protocol for physical AI |
| SCTP | 8 endpoints, Supply Chain Trade Protocol |
| OpenClaw Skill | Published on ClawHub as plagtech |
Spraay's payment toolset is merged into the official toolkits of NVIDIA, Google, AWS, Coinbase, and Block:
- 🟩 NVIDIA NeMo-Agent-Toolkit-Examples PR #27 ✅ merged — full paid toolset: batch payments, escrow, and RTP
- 🟩 NVIDIA NeMo-Agent-Toolkit-Examples PR #20 ✅ merged — free tools
- 🟢 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
- ⬛ Block Goose ✅ merged
- 🌟 punkpeye/awesome-mcp-servers ✅ merged
In review:
- Coinbase AgentKit PR #944 — open · refreshed July 2026 with 8 actions: batch payments, EIP-2612 permit approvals, free pre-flight validation/estimation, x402-metered gateway execution, and escrow
- LangChain docs PR #3245 — open ·
langchain-spraayon 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, AWS Strands, 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's full toolset (batch, escrow, RTP) merged into NVIDIA NeMo-Agent-Toolkit-Examples
- 💧 Spraay x402 Gateway v3.8.1 — 190 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 — x402 Foundation (Linux Foundation), CDP Builder Grants, Arbitrum, Stacks, Agent Fund
- 🤝 Building in the Base Build cohort
