"sql server" matching MCP servers:

Real-time Solana token risk scoring, momentum signals, and graduation alerts via MCP. Free tier with 4 tools (no auth), PRO tier with 6 tools + batch analysis ($0.01/call via x402).

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 enables AI assistants to analyze Solana wallets for empty or low-value token accounts. It allows users to identify opportunities to recover SOL rent by closing or burning these accounts through the SOL Claimer API.

An MCP server that enables AI agents to interact with the Solana blockchain through 20 tools for wallet management, SPL token operations, blockchain exploration, and DeFi integration via Jupiter.

Pre-spend trust layer for agents paying over x402 on Solana, providing seller vetting and readiness checks before USDC leaves the wallet.