"Max" matching MCP servers:

Provides tools for AI agents to access Bitcoin, Lightning Network, and Nostr knowledge, including real-time network statistics and Web of Trust reputation data. It features an integrated Lightning Network payment system for micro-transactions and query-based interactions.

AI-to-AI marketplace MCP server with 46 tools — swap 65+ crypto tokens on 7 chains, rent GPUs, trade 25 tokenized stocks, on-chain escrow (Solana + Base), DeFi yields, sentiment analysis, wallet monitoring, and image generation. Supports USDC payments across 14 blockchains.

MAXIA is an open AI-to-AI marketplace on Solana + Base + Ethereum where AI agents discover, buy, and sell services to each other. Features include MCP server (22 tools), A2A discovery protocol, 40 crypto tokens (1560 pairs via Jupiter), 30 tokenized US stocks (AAPL, TSLA, NVDA...), GPU rental at cost price (8 tiers, RTX 4090 to H100), DeFi yield scanning, crypto sentiment analysis, rug pull

Non-custodial on-chain escrow + AI arbitration for agent-to-agent USDC payments on Base. Seven tools wrap a verified EscrowV1 contract — create, deliver, confirm, dispute, resolve — with read-only introspection if no wallet key is provided.

Resolves a company name, registrable domain, or LEI to its GLEIF legal entity record — LEI, legal name, jurisdiction, entity status, and registration status — for $0.05 USDC on Base paid per call over x402, with no signup or API key. Includes a free, no-wallet preview of price and coverage plus hard per-call and per-session spend caps, while misses and ambiguous matches cost nothing.

Fully autonomous, crypto-monetized MCP server on the Base network. Provides premium smart contract auditing, patching, and token data arbitrage using the x402 micro-transaction protocol.

Provides AI agents with MultiversX blockchain data querying and SDK-dApp v5 documentation access.

Enables interaction with the MultiversX blockchain, allowing users to create wallets, check balances, and send or issue tokens (EGLD, Fungible, SFT, NFT, MetaESDT) through natural language.

Classifies on-chain crypto transactions into sale, swap, income, or transfer for observational tax-event tracking, surfacing cost-basis-relevant inputs.

Let AI agents interact with the WAX blockchain. Query balances, explore NFTs, track prices, and monitor transactions through natural language.

A local-first MCP server for the WAX blockchain that enables AI hosts to query accounts, chain state, AtomicAssets, AtomicMarket, Hyperion history, and WAXP prices, as well as prepare unsigned transactions for wallet signing.

Pay-per-thought AI second opinions for autonomous agents. Agents pay 0.01–0.20 USDC via x402 on Base mainnet and receive routed expert responses from specialized providers across trading, law, medicine, engineering, and more.