"Top Ten Web Search Engines" matching MCP connectors:

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

62 x402-paid web, document, research, developer, data, and EVM tools on Base, plus free workflows.

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

Base 主网去中心化支付路由+金库：查 NAV、构造路由支付 calldata、金库存取、绑定引路人分账。存款安全·引路人激励·消费即升值，全部链上可核验。

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

x402-paid tools: EU company & sanctions data, web search, LLM chat, crypto intel, x402 monitoring.

Real-time DEX and on-chain data across 36 blockchains: liquidity pools, token prices, OHLCV, transactions, and cross-chain search. 17 keyless tools.

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

Doc search, intent & cross-chain swaps, limit orders, portfolio, spot prices, gas & all APIs.

Crypto bottom/top signals: verdict + score per coin, market scans. Pay-per-call x402.

JPYC (JPY stablecoin) EC platform MCP: product search, x402 gasless checkout, order status.

Bitcoin-anchored sealed-forecast record: search, grades, calibration, luck test. Read-only, no key.

Agent-native scoring, search and routing for tokenized real-world assets across multi-chain.

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.