"Construct 3" matching MCP servers:

Enables agents and developers to generate and verify Poseidon Merkle membership proofs, verify Groth16 zk-SNARK proofs, construct and verify Merkle Mountain Range proofs, create SHA-256 Merkle inclusion proofs, and hash EIP-712 typed structured data for private identity and Web3 workflows.

Enables Claude, Cursor, or any MCP client to check an NFT collection, preflight and build mints, list owned tokens, and construct harvest transactions on BNB Chain, with signing routed through a Binance Agentic Wallet.

Public MCP server for HiveWallet, enabling agent-native wallets with USDC transfers and HiveDNA 3-proof receipts on Base.

HTTP 402 paywall middleware for MCP servers. XRPL/RLUSD native settlement, Phase 3 compliance receipts, zero API keys required.

Enables users to inspect Robinhood Chain assets and contracts, construct and review USDG/Stock Token exchange and data-signing decisions, and request approval for those actions in Robinhood Wallet. It maintains local records of received hashes and actual results while keeping keys and transaction authorization under user control.

Enables AI agents to interact with the ZhengHe system on Base mainnet: query NAV, construct payment routing transactions, vault deposits/withdrawals, and bind affiliates for revenue sharing.

Live liquidity-pool scores for Solana + EVM: Enter/Hold/Exit verdicts and a composite 0-100 Wealthville Score, backed by a public, immutable track record that includes misses. Read-only, free, no key required. Data product, not financial advice.

A self-hosted decision engine that sits between an AI agent and blockchain execution. Agents submit a proposed action, Guardian returns an explainable ALLOW / WARN / BLOCK before anything gets signed or broadcast.

Zero-auth MCP server that reads Uniswap V1/V2/V3 reserves directly on-chain

Universal work attestation for autonomous agents. Register any AI agent or machine with persistent cryptographic identity, attest completed work with tamper-evident on-chain records, and query trust scores. The reputation layer for the agent economy. 3 MCP tools over SSE. Settled on Solana.

Buy at cash-only or unsupported shops by paying crypto (BTC signet, USDC) to a proxy shopper through a 2-of-3 escrow with timelocks over Nostr, or earn as a proxy shopper. Tools that move money act only with confirm: true.

Enables AI agents to enforce configurable spending policies before executing trades or x402 payments via Binance Agent OS, recording every policy decision onchain to an Ethereum Sepolia audit log.

Real-time perp market-data for AI trading agents — funding rates, funding-arb signals, open interest, volume, orderbook depth/slippage and oracle families across 25 venues, plus HIP-3 RWA coverage (tokenized stocks, metals, oil) that mainstream aggregators lack. x402-native pay-per-call (USDC on Base): one free funding screener tool + 11 paid tools with auto-pay.

This MCP server enables agents to trade LOOT tokens, play the full loot game loop, and launch their own tokens on Robinhood Chain, all at the same prices and rules as human wallets.

Cross-chain instant bridge, Polymarket & Hyperliquid one-click onboarding (USDC.e + POL on Polygon, HYPE on HyperEVM, and USDC on Arbitrum), and multi-wallet gas refuel MCP server powered by Relay Protocol across Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, HyperEVM, and Solana.

MCP Server for ChainAnalyzer(https://chain-analyzer.com)

Agent marketplace with human concierge. Submit service requests in natural language, get quoted in sats, pay via Lightning Network. 3 MCP tools: submit_request, check_status, list_services.

Enables AI assistants to query a T-Bank (Tinkoff) investment account in read-only mode, covering accounts, portfolio and positions, operation history, instrument lookup, market data such as candles and order books, plus technical indicators, fundamentals, analyst consensus and dividend or bond coupon analytics through one-line tool calls. No tool can place trades, withdraw funds or change account settings, and a read-only API token is recommended.

Enables real-time tracking of newly created liquidity pools on PancakeSwap DEX. Provides detailed pool metrics including token pairs, creation timestamps, transaction counts, volume, and total value locked for DeFi analysis and trading decisions.

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents on Base L2.