"MySQL Query Basics and Examples" matching MCP servers:

A Model Context Protocol server providing tools for querying Bitcoin blockchain data via Blockchain Data and Query APIs, supporting various BTC information retrieval functions.

Provides live cross-DEX market data on six EVM chains, including per-venue prices, liquidity, and gross spreads with optimal trade sizes. Enables AI agents to query real on-chain data for BSC, Polygon, Arbitrum, Base, Avalanche, and Optimism via MCP tools.

Enables AI agents to discover x402 payment services and query on-chain-verified settlement volumes per facilitator through the Model Context Protocol.

PayQL is an MCP server that lets any AI agent query The Graph and pay per query in USDC — gasless, keyless, bring-your-own-wallet.

Provides MCP tools to query Etherscan for Ethereum blockchain data—ETH balances, ERC-20 tokens, transactions, contract ABIs, and gas prices—without requiring an API key.

Provides cross-chain bridge and swap tools for AI agents using the Relay Protocol to interact with multiple blockchain networks. It enables agents to query supported chains, obtain transaction quotes, and generate unsigned transaction data for token transfers and swaps.

Thin MCP wrapper around the SQD Portal API for blockchain data queries across multiple networks including EVM, Solana, Bitcoin, Substrate, and Hyperliquid. Provides 25 public tools for discovery, cross-chain queries, and chain-specific operations.

An MCP server that exposes the Zapper DeFi portfolio API, enabling LLMs to query wallet balances, token holdings, and DeFi positions using natural language.

An MCP server that enables AI agents to query the Canton Network for balances, rewards, classified transactions, CC prices, and directory information using natural language.

Enables AI assistants to query blockchain data across 30+ networks via Infura, using natural language for blocks, transactions, contracts, and more.

MCP server for tracking crypto transactions (trades, swaps, transfers) with exact Decimal precision, allowing LLM agents to log and query historical records with JSON or Notion persistence.

MCP server for Deribit's crypto options exchange, enabling AI assistants to query market data, manage accounts and orders, and execute trades with safety defaults (testnet, trading disabled by default).

A read-only Solana MCP server that lets AI assistants query SOL prices, wallet balances, SPL token holdings, and recent transactions on the Solana mainnet via natural language over stdio.

An MCP server that exposes the satring.com L402 service directory, enabling AI agents to search and query Lightning-paywalled and stablecoin-gated APIs without needing prior knowledge of their URLs.

Provides the brief tool, letting MCP clients query the 54ch10 Brief API for analytics on addresses, tokens, or URLs and receive a JSON summary with score, flags, sources, and disclaimer.

Provides a unified MCP interface over Uniswap V2, V3, and V4 across multiple chains via The Graph, enabling agents to query token prices, top pools, pairs, and recent swaps with clean JSON output.

Enables users to query Kimchi Premium (KIMP) data for cryptocurrencies, showing the price difference between Korean and international exchanges for assets like Bitcoin and Ethereum.

Enables LLMs to query Zilliqa validator node metrics including stake, earnings, success rates, and top validators through natural language.

An MCP server that equips AI assistants with curated knowledge and live chain data for the Alkanes metaprotocol and Subfrost network, enabling them to read docs, query the chain, and scaffold contracts.

Paper-trade crypto spot, futures, and prediction markets on CoinRithm with a user-minted API key. Simulated funds only; includes 21 MCP tools and Agent Arena performance tracking.