DeFi Builder | Crypto Author | Multi-Chain Ecosystem
Building the future of decentralized finance across 17 chains π΅β ⬑π£π‘πΊπ¦π’πΆπ§‘π§ βΏβ‘π§βππ
π Spraay x402 Gateway β v3.8.3
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 β just HTTP + crypto.
- π‘ 190 primitives β 158 paid + 32 free across 33 categories | Discovery β
- π€ 200+ AI models β OpenAI-compatible chat completions via BlockRun + OpenRouter (streaming, function calling, vision)
- 𧬠Bittensor decentralized inference β censorship-resistant chat, image gen, and embeddings via SN64/SN19
- πΈ Batch payments β any ERC-20 token + native currency to 200 recipients, implementing BPA 1.0 (Batch Payments for Agents)
- π Swap, bridge, payroll, invoicing, escrow, oracle, analytics, DeFi positions
- π§ On-chain inference β wallet classification, tx analysis, contract explanation, intelligence briefings
- βοΈ Managed Compute + Compute Futures β text/image/video/TTS/STT/embeddings with prepaid credit tiers
- π Search / RAG β web search, content extraction, and question answering
- π Research & Reference β academic papers, preprints, biomedical, chemistry, demographics
- π Supply Chain (SCTP) β suppliers, purchase orders, invoices, AI invoice verification
- π Agent Wallet β ERC-4337 smart wallets with session keys & spending controls
- π Prediction Markets & Stocks β Polymarket events + Finnhub stock data
- π§ Email, SMS, XMTP messaging, webhooks, cron scheduling, IPFS/Arweave storage, multi-chain RPC, logs
- π KYC/sanctions screening, auth sessions, immutable audit trail, FIFO tax & IRS 8949 reports
- πͺ Bazaar discoverable β agents find endpoints autonomously
- β‘ Dual protocol β x402 (Coinbase CDP facilitator on Base) + MPP (Tempo / stripe-spt / pathUSD)
- πΌ Subscription tiers β Starter ($29/mo) and Pro ($99/mo) with API-key access
π Live β | Docs β | GitHub β
mcp.spraay.app Β· github.com/plagtech/spraay-x402-mcp
183 tools across 33 categories β connects Claude Desktop, Cursor, or any MCP-compatible AI to full-stack DeFi infrastructure on Base & Solana. Pay USDC per call via x402 protocol. Auto-creates a wallet on first run β no env vars, just fund and go.
{
"mcpServers": {
"spraay": {
"command": "npx",
"args": ["-y", "spraay-x402-mcp"]
}
}
}Categories: AI Β· Bittensor Β· Payments Β· Swap Β· Bridge Β· Oracle Β· Payroll Β· Invoice Β· Escrow Β· Analytics Β· On-chain Inference Β· Managed Compute Β· Compute Futures Β· Search/RAG Β· Research Β· Communication Β· Infrastructure Β· Identity & Access Β· Compliance Β· GPU Β· Supply Chain (SCTP) Β· Agent Wallet Β· RTP Β· Prediction Markets Β· Stocks Β· Trust Β· Image Β· Discovery
Listed on: Smithery Β· Official MCP Registry Β· Glama Β· PulseMCP Β· mcp.spraay.app
π§ Spraay
Multi-chain batch payment protocol β batch contracts deployed on 12 chains, gateway-executed settlement on Base, peaq, and Solana. Send any ERC-20 token or native currency to 200+ recipients in a single transaction. Open spec: BPA 1.0.
Deployments:
| Chain | Contract | Settlement | |
|---|---|---|---|
| π΅ | Base | 0x1646...B5eEC |
β Gateway-settled |
| π | peaq | 0x08fA...E073 |
β Gateway-settled |
| π§‘ | Solana | TypeScript SDK | β Gateway-settled (dedicated) |
| β | Ethereum | 0x15E7...58b3 |
Contract live |
| ⬑ | Arbitrum | 0x5be4...4302 |
Contract live |
| π£ | Polygon | 0x6d24...D7ff |
Contract live |
| π‘ | BNB Chain | 0x3093...95C1 |
Contract live |
| πΊ | Avalanche | 0x6A41...afcC |
Contract live |
| π¦ | Unichain | 0x08fA...E073 |
Contract live |
| π’ | Plasma | 0x08fA...E073 |
Contract live |
| πΆ | BOB | 0xEc85...4973 |
Contract live |
| π | Robinhood Chain | 0x08fA...E073 |
x402 inbound rail (USDG) |
| π§ | Bittensor | spraay-tao | TAO (native utility.batch_all) |
| β‘ | Stacks | ST7431...spraay-batch |
STX (Clarity contract) |
| βΏ | Bitcoin | PSBT-based | BTC (UniSat/Xverse wallets) |
| π§ | XRP Ledger | x402 Gateway | XRP (native batch) |
| β | Stellar | x402 Gateway | XLM (native batch) |
Features:
- β‘ ~80% gas savings vs individual transfers
- πͺ Supports any ERC-20/BEP-20/SPL token + native currency
- π Equal or variable amount distributions
- π EIP-2612 permit-optimized approvals β exact allowance, 30-minute expiry
- π CSV import for large batches
- π Social handle resolution (Farcaster, ENS, Basenames)
- π 0.3% protocol fee
π spraay.app β
Open standard for AI agents to hire robots via x402 USDC micropayments. 8 gateway endpoints live. Merged into NVIDIA NeMo-Agent-Toolkit-Examples.
- π rtp-spec β Protocol specification
- π§ rtp-sdk β JavaScript SDK
- π rtp-python-sdk β Python SDK (PyPI:
spraay-rtp) - π rtp-pi-demo β Raspberry Pi 5 hardware demo
- π‘ rtp-xmtp-mesh β XMTP mesh network
- π awesome-rtp β Curated resources
π± Spraay Base App
Standalone dapp on Base with batch payments, Farcaster Mini App, and fiat onramp.
π₯ MangoSwap
DEX on Base with instant swaps and scheduled trading via gas-free transactions. Routes through Uniswap V3 & Aerodrome.
π Try it β | GitHub β
| Protocol | Details |
|---|---|
| x402 Gateway | 190 primitives (158 paid + 32 free), 33 categories, Bazaar discoverable, v3.8.3 β Base & Solana |
| Dual Protocol | x402 (Coinbase CDP facilitator) + MPP (Tempo / stripe-spt / pathUSD) |
| BPA 1.0 | Batch Payments for Agents β open spec at docs.spraay.app/bpa/1.0 |
| MCP Server | 183 tools, live at mcp.spraay.app |
| NVIDIA NeMo | β Merged β full paid toolset (batch, escrow, RTP) in NeMo-Agent-Toolkit-Examples |
| Google ADK | β Merged into google/adk-python-community β first community tool |
| AWS Strands | β Merged into Strands Agents docs |
| Oracle | β Merged into Oracle AI Developer Hub β first partner notebook |
| VMflow | β Merged into nodestark/mdb-esp32-cashless β x402 payment rail for vending machines |
| Uniswap | β Merged into Uniswap hooklist β BatchDistributeHook on Base |
| Block Goose | β Merged into block/goose |
| Coinbase x402 | β Merged into coinbase/x402 ecosystem |
| 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 β batch payments as a service |
| RTP | 8 endpoints, Robot Task Protocol for physical AI |
| SCTP | 8 endpoints, Supply Chain Trade Protocol |
| OpenClaw Skills | Published on ClawHub as plagtech |
Spraay's payment toolset is merged into the official toolkits and repos of NVIDIA, Google, AWS, Coinbase, Block, Oracle, VMflow, and Uniswap:
- π© NVIDIA NeMo-Agent-Toolkit-Examples PR #27 β merged β full paid toolset: batch payments, escrow, and RTP
- π© NVIDIA NeMo-Agent-Toolkit-Examples PR #20 β merged β free tools
- π’ google/adk-python-community PR #95 β merged β first community tool in Google's Agent Development Kit
- π AWS Strands Agents docs β merged β community integration on the official Strands docs
- π΅ coinbase/x402 ecosystem listing β merged
- β¬ Block Goose β merged
- π£ Oracle AI Developer Hub PR #131 β merged β first partner notebook
- π§ VMflow PR #78 β merged β x402 payment rail for physical vending machines
- π¦ Uniswap hooklist PR #10617 β merged β BatchDistributeHook on Base
- π punkpeye/awesome-mcp-servers β merged
In review:
- Coinbase AgentKit PR #944 β batch payments, EIP-2612 permit approvals, escrow, x402-metered gateway
- AutoGPT PR #12533 β Spraay payment blocks for AutoGPT Platform
- Visa TAP PR #28 β TAP-verified batch settlement example
- Tempo/MPP PR #1163 β Spraay in the MPP service directory
- Stripe machine-payments PR #141 β x402 batch payout example
- Cloudflare templates PR #1169 β x402 batch payment Worker template
- LangChain docs PR #3245 β
langchain-spraayon PyPI - Solana Foundation pay-skills PR #97
- peaq OS skills PR #9 β RTP skill for peaq
- crewAI PR #7559
- Oracle fix PR #358 β working x402 v2 payment flow
"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, Robinhood Chain, peaq,
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
- π Spraay toolset merged into NVIDIA NeMo, Google ADK, AWS Strands, Oracle AI Hub, VMflow, Uniswap
- π§ Spraay x402 Gateway v3.8.3 β 190 primitives, dual protocol (x402 + MPP), Base & Solana
- π peaq mainnet β first non-Base chain with gateway-executed settlement
- π BPA 1.0 β open Batch Payments for Agents spec
- π€ RTP β Robot Task Protocol for Physical AI
- π SCTP β Supply Chain Trade Protocol for B2B agent commerce
- π MPP integration β Spraay in the Tempo/Stripe machine-payments ecosystem
- π Ecosystem PRs β Visa TAP, AutoGPT, Stripe, Cloudflare, Coinbase AgentKit


