"An exploration of Google, the popular search engine." matching MCP servers:

x402 capability chassis: 170+ AI-callable, pay-per-call data tools (US/global equities, crypto/DeFi, prediction markets, gov/legal, research, infra) settled in USDC on Base mainnet via the Coinbase CDP facilitator. No API keys or accounts — the x402 payment is the auth. Remote MCP at https://the-stall.intuitek.ai/mcp.

Complete DeFi intelligence — Yield, Staking, Restaking, RWA, Perps, Gas Optimization & Contract Security. One answer, not raw data.

ZPL stability engine — AIN bias & stability scoring across finance, gaming, AI/ML, security, and crypto. 68 tools across 11 categories. Math-based neutrality (Zenodo DOI). Free 5K tokens/mo, no card. Install: npx zpl-engine-mcp setup.

Enables AI agents and their users to retrieve scored news sentiment, narratives, historical readings, and cited sources for Bitcoin, gold, and oil, with tamper-evident, time-stamped data for trading decisions.

Provides real-time cryptocurrency prices, market cap, and 24h change using CoinGecko, with free access and no API key required.

On-chain crypto indicators (EMA, RSI, VWAP, Bollinger) via Chainlink oracles.

Real-time DEX token momentum, orderbook liquidity depth, and whale flows on Base Mainnet gated with gasless x402 micropayments.

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

Provides 31 AI-powered crypto trading tools for Claude, Cursor, and any MCP client, enabling strategy creation, backtesting, bot deployment, copy trading, and portfolio management across multiple exchanges.

Enables web search for AI agents with pay-per-search in USDC, no API keys needed.

AgentBureau provides the legal and physical infrastructure for AI agents to operate within the German jurisdiction. We bridge the gap between digital intelligence and real-world action by providing "Embodiment-as-a-Service." Through our API, agents can perform legally binding actions—like sending faxes, mailing physical letters, issuing invoices, forming entire companies (GmbH/UG), ...

An MCP server that exposes the satring.com L402 service directory, enabling AI agents to search and query Lightning-paywalled and stablecoin-gated APIs without needing prior knowledge of their URLs.

An MCP server that enables AI agents to interact with the Solana blockchain through 20 tools for wallet management, SPL token operations, blockchain exploration, and DeFi integration via Jupiter.

MCP server that enables AI agents to simulate EVM bytecode and probe capabilities, serving as a gateway to an Ethereum execution engine.

The verifiable risk engine for autonomous agents: deterministic, self-verifying financial calculations that an agent can delegate and prove. It covers liquidation and funding, position sizing and risk of ruin, options Greeks and margin, LP divergence, treasury concentration and depeg, execution quality checks, plus intelligence on options, DeFi, prediction markets, and transaction safety analysis.

Enables personalized discovery of crypto news, trending topics, and project insights from the Followin platform with intelligent search, content normalization, and recommendation explanations.

Enables real-time cryptocurrency prices, search, and market data via the CoinGecko API without requiring an API key.

MCP server for vyne, a Solana DeFi automation engine, enabling creation, testing, and monitoring of multi-step workflows via 32 tools, 11 resources, and guided prompts.

Hourly news sentiment and typed market events (hack, regulation, listing, delisting, legal) for 30 crypto pairs, with source links on every signal. Four tools cover the latest score per symbol, history, classified events and the symbol list, and a free API key works out of the box

An MCP server that enables cross-chain token transfers via the Stargate protocol.