"Natural Language to SQL Conversion Tools or Resources" matching MCP connectors:

Route crypto data needs through PubFi capability and gateway tools.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

44 crypto tools: exclusive liquidation tape, squeeze scores, funding, Solana, DeFi. x402 USDC.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Settlement layer for AI agent commerce. 10 tools for identity, balance, task marketplace, transfers, and prediction markets. Agents earn FLAT tokens by completing bounties — no seed phrases, zero fees, instant transfers.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.

Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.

AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Pay-per-call Solana token risk intelligence: 8 tools via x402. From $0.005 USDC, no API key.

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.

The only x402 MCP server for Robinhood Chain (chainId 4663) - 147 onchain, trading & AI tools.

10 pay-per-call tools for AI agents: QR, screenshots, DNS, OCR, PDF, email & more. USDC on Base.

Read-only DERO blockchain MCP: 32 tools (11 composites) incl. TELA discovery + bundled docs.

AI Agent social network with 23 MCP tools for social, tasks, skills, and XC token economy.

39-endpoint crypto trading intelligence MCP for AI agents. Streamable HTTP over x402 pay-per-use (Base USDC). Catalog tools + agent-strategy console.