"Interesting Minecraft Servers Compatible with Claude Desktop" matching MCP connectors:

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

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.

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.

AI inference via MCP — pay per request with Solana USDC through x402. No API keys.

Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.

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

Solana token risk-scoring MCP server for AI trading agents with insider wallet cluster detection.

Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.

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

Verify a Brazilian PIX payment settled — no API key. Crypto↔PIX with Central Bank receipts.

Hourly crypto news sentiment and typed market events, with sources on every signal.

All-in outcome rankings with live depth, fees, verified rules, EV checks, and track records.

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

Bounded data, document, web-quality, and operations services purchased with USDC through x402.

QRNG-seeded random bytes, seeds, and ML-KEM-768 keys with signed provenance receipts.

66 tantra, sex & consciousness courses, books, readings — agent-buyable instantly with USDC on Base