"Empty search query" matching MCP connectors:

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

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

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

Cryptocurrency market data for 12,000+ coins and 350+ exchanges: prices, tickers, OHLCV, contract lookups, tags, and search.

Verified merchants accepting agentic payments on Lightning/L402/BOLT12/USDT — search, verify, pay.

Recover stranded native gas: empty a chain's balance to exactly zero on 25 EVM chains.

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

64 x402 tools: cheap LLM $0.002, web+news search, French residential-IP scraping, FR/UK/US data.

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

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

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

Query onchain data across EVM, Solana, Bitcoin, Substrate, and Hyperliquid via the SQD Portal API.

x402-paid tools: text to 3D-printable STL, web search, and search+read. USDC on Base.

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

247 LLMs + image/video/voice/music gen + crypto/DeFi/markets/web-search. Pay-per-call USDC, no key.

Catalog of 370+ open-source AI-agent harnesses. Search, list your own, earn USDC tips via x402.

Real-time on-chain coordinated wallet detection for Solana tokens. Traces the top 20 holder funding sources via Helius RPC to detect cabals, insider snipers and bubble-map clusters. Returns a cabal confidence score 0–100. $0.05 USDC per query, paid natively on Solana. No API key, no account, no subscription.

Lets AI agents autonomously pay for and call L402-protected APIs in Bitcoin Lightning. 12 tools across two layers: l402_fetch / l402_balance / l402_set_budget / l402_spending_report (generic L402 client) + 11 VERITY paid services (BTC price, web search, scrape, AI summarize/sentiment/translate, world state, domain intel, deep research, strategic alpha, integration). Sub-second settlement, no API keys, no chargebacks.

Real-time curated crypto news for AI agents with sentiment, recaps, and search.

Search recorded crypto and TradFi microstructure through deterministic, reproducible agent tools.