"A search engine that searches multiple other search engines" matching MCP servers:

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.

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.

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

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

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

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

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 provides real-time web search to AI agents via a pay-per-search USDC microtransaction system.

Per-transaction crypto trade validator for AI agents, validates trades with PROCEED/CAUTION/BLOCK verdicts, scans tokens for anomalies, detects rug pulls, and searches across DEXes. Powered by WaveGuard physics engine with deterministic PDE-based analysis.

Enables AI hosts to propose crypto trades that are checked by a deterministic risk engine, returning LONG, SHORT, or NO_TRADE decisions with refusals and an auditable paper-fill trail.

Market-intelligence MCP: 18 detection engines over 9,200+ instruments with calibrated uncertainty and outcome-verified provenance. Informational only, not financial advice.

An MCP server that tracks stablecoin peg integrity across multiple blockchains.

A cryptocurrency news aggregation server providing AI-powered sentiment ratings, trading signals, and real-time market updates. It allows users to search news by coin, source, or engine type and filter results based on AI impact scores and bullish/bearish signals.

A comprehensive developer utility MCP server that provides 23 tools including web search, currency conversion, crypto prices, QR code generation, JSON formatting, and more.

Provides DEX price, liquidity, and volume data across multiple chains, including pair details, token pairs, search, and trending tokens.

A Model Context Protocol server that enables seamless integration with Polymarket, providing tools to search markets, fetch events, analyze leaderboards, query user activity, and more via MCP-compatible clients like Claude.

Enables ChatGPT to interact with multiple blockchain networks for reading balances and managing wallet operations through a non-custodial local vault and policy engine.

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

A remote Model Context Protocol (MCP) server for real-time cryptocurrency and stock market analysis. Provides AI-powered market intelligence tools with 9 theory-based analysis engines, multi-chain DEX discovery, and enterprise features.