"A server for finding live rental car offers and comparing prices" matching MCP servers:

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

Enables AI agents to inspect the public NFH protocol corpus, verify census status, and prepare bounded Ethereum wallet intents for claims and non-custodial market actions while never signing or submitting transactions.

This MCP wraps Bitrefill public API to allow agents to search for products and shop using cryptocurrencies like Bitcoin, Ethereum, Solana, and many more.

23 tools for AI agents working with Nostr Open source. No API key. No account. NIP-46 remote signing Publish notes, reply, react, repost Encrypted DMs (NIP-04 + NIP-44) Fetch events, profiles, social graph

MCP server providing real-time crypto prices (Chainlink + Binance), Polymarket prediction market data, deep web research, and JS-rendered web scraping. All services available via x402 Solana micropayments.

MCP server for Pi Network that enables AI agents to query Pi chain data (balances, transactions) and verify user tokens, with optional payment sending that is off by default.

Exposes Mina blockchain data and operations through 40+ MCP tools, supporting live public networks, a local tutorial lightnet, and archive snapshot analysis.

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.

Enables users to compare current Aerodrome veNFT voting positions, bounded claimable rewards, and selected pools' voting evidence on Base against a saved local baseline, with retryable, atomically stored change reports. All tools are read-only on chain, requiring no keys, signing, or transactions.

An MCP server for CoinGecko that connects any MCP-compatible client to free crypto market data, providing tools for prices, market caps, trending coins, historical data, and global stats.

Provides AI agents with real-time gas prices and blockchain data from Base, with metered access via x402 payment protocol.

Pay-per-call MCP server for on-chain blockchain data including wallet profiles, token metrics, protocol TVL, and gas prices.

Enables querying DeFi data through DeBank API, including wallet balances, token prices, NFT collections, protocol positions, transaction history, gas prices, and security analysis across 93+ blockchains through natural language.

Wallet-funded MCP client for six paid Utilia tools: Solana priority fees, transaction diagnosis and simulation, token-risk checks, PDF-to-Markdown, and audio normalization over x402. MIT-licensed and installable from npm.

Provides Claude with access to Jupiter's Portfolio API and Price API on Solana, enabling portfolio tracking, staking info, and real-time token prices.

MCP server giving AI agents access to Solana blockchain data. 7 tools: wallet balances, transaction history, token prices (Jupiter + CoinGecko), token metadata, DeFi yields (Raydium + Orca), and token safety checks (RugCheck scores, holder concentration, insider detection).

Connects AI assistants to live CryptoPunks data for looking up individual punks, checking floor prices, and analyzing wallet portfolios. It provides 28 tools for market research and rarity analysis without requiring wallet setup or API keys.

TON Data MCP Server — real-time blockchain data for AI agents. Provides wallet balances, token prices, STON.fi liquidity pools, market overview, transactions, and network state. 6 MCP tools, free tier, Docker-ready.

Provides Ethereum blockchain data tools via Etherscan's API, enabling users to check balances, view transactions, track token transfers, fetch contract ABIs and code, monitor gas prices, and resolve ENS names.

Enables querying blockchain data from Ethereum and Solana via GetBlock.io API, including wallet balances, transactions, gas prices, and account information.