"Methods to Test API Endpoints" matching MCP servers:

Gives MCP-compatible LLM agents direct access to real-time MEV and DeFi data via Valorem's x402-paid API endpoints, with payments in USDC on Base mainnet.

MCP server for local transaction signing across EVM, UTXO, Tron, and XRP blockchains, with no network calls or API keys required.

Pre-trade DeFi intelligence for AI agents. 20 paid x402 endpoints, USDC on Base.

Blockchain JSON-RPC on 23 EVM chains for AI agents — Ethereum, Base, Arbitrum, plus young chains like Robinhood Chain, Plasma and Ink. Free reads with no key; heavy methods (eth_getLogs, trace, debug) via a free API key or x402 USDC pay-per-call.

Non-custodial crypto swaps for AI agents: Solana (Jupiter) + 7 EVM chains (KyberSwap), 1288+ assets, cross-chain routing, priority-fee oracle, Hyperliquid perps. Returns unsigned transactions — your wallet signs, no API key, no KYC. Hosted at https://swaptitan.net/mcp

Enables access to 86 crypto data endpoints from the Surf API, including market data, wallets, social sentiment, on-chain queries, and more, through dynamically generated MCP tools.

Provides AI agents with direct liteserver access to the TON blockchain for querying balances, account states, transactions, and contract get-methods without HTTP gateways.

Gives Claude a Solana wallet to send USDC, check balances, and manage blockchain transactions on Solana's devnet test network.

MCP server exposing fry.farm's x402 API as tools, enabling non-custodial blockchain interactions with pay-per-call endpoints on Algorand.

Exposes 8DX DEX aggregator REST endpoints as tools for AI agents, enabling token discovery, quotes, swaps, limit orders, and wallet execution via WalletConnect.

Enables Claude to interact with NEAR smart contracts: read state, call view methods, decode transactions, and explain contract interfaces.

A server that enables interaction with the Solana blockchain, providing access to over 40 Solana RPC methods including getting balances, transaction details, block information, and sending transactions.

A tool that enables users to interact with blockchain data to retrieve token total supply, chain IDs, and filtered RPC endpoints across different blockchain networks.

An MCP server that fetches on-chain blockchain data via the Ankr API, allowing LLMs to retrieve token balances for wallet addresses on specific networks.

Provides tools for AI assistants to interact with the Ethereum blockchain through standard JSON-RPC methods, enabling queries for account balances, gas prices, and smart contract code.

Enables natural language queries and JSON-RPC calls to 69+ blockchain networks through Grove's free public endpoints. Supports Ethereum, Solana, Cosmos chains, and Layer 2 solutions without requiring authentication or API keys.

Facilitates interaction with Starknet blockchain via MCP by exposing various RPC methods, allowing users to query chain states, transaction details, and block information using natural language queries.

Provides access to NFTGo's Developer API for retrieving NFT collection details, asset information, market data, wallet information, and search capabilities on the Ethereum blockchain.

Blockchain RPC via DRPC. Exposes eth_call, eth_getBalance, gas estimation, and other JSON-RPC methods as MCP tools across 100+ blockchains

A server that allows AI agents to interact with the Tally API to access DAO governance data, proposals, and metadata using Model Context Protocol (MCP), built with TypeScript and GraphQL.