"A search query containing special characters and SQL injection-like encoding" matching MCP servers:

A Model Context Protocol server providing tools for querying Bitcoin blockchain data via Blockchain Data and Query APIs, supporting various BTC information retrieval functions.

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

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

Exposes Base mainnet chain query tools over MCP, letting clients fetch an address's native balance and current gas fee estimates (slow/standard/fast urgency) from an upstream HTTP API. Paid tools are gated by x402 micropayments settled through the CDP facilitator, with a free health check and a documented free-trial allotment.

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.

📈 提供股票、加密货币的数据查询和分析功能MCP服务器

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), ...

MCP server for Crypto APIs Utils, enabling address validation, raw transaction decoding, and XRP X-Address encoding/decoding for UTXO, EVM, and XRP blockchains.

Enables users to query Kimchi Premium (KIMP) data for cryptocurrencies, showing the price difference between Korean and international exchanges for assets like Bitcoin and Ethereum.

A Model Context Protocol server that allows AI assistants like Claude to directly query cryptocurrency and blockchain project data from RootData, including project information, organization details, and search results.

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.

Lets AI agents read web pages and batches of URLs with prompt-injection screening, search the web, get cited answers, fact-check claims, and check crypto tokens for scam and rug-pull risk. Each call is paid per use in USDC through x402 (from $0.002), with a spend cap.

Enables MCP-compatible AI agents to manage Mandates and execute USDC-denominated trades on Arc, including checking equity, holdings, active rules, available loss headroom, fetching Chainlink prices, and swapping approved assets. Rule violations such as excessive trade size, insufficient balance approvals, expired deadlines, or transfers involving unauthorized recipients produce clear failure states containing actionable guidance.

Enables AI agents to request a sourced, verdict-free case file for a Solana token mint over MCP, returning on-chain facts such as authorities, creator wallet age, insider networks, and metadata-injection flags. Payments per check can be settled with x402.

A free, zero-dependency Model Context Protocol (MCP) server for AI agents providing Web3/crypto toolkit (balances, ENS, token info, tx decode, Chainlink price feed, payment verification) plus encoding, hashing, and data transformation utilities.

Enables AI agents to trade on Binance through a governed MCP proxy that enforces configurable policies, requires a recorded rationale before orders, detects prompt injection, logs all actions in a tamper-evident audit trail, and blocks execution until a human approves.

Checks live x402 routes across Base, Solana, and Algorand before agents spend. $0.003 USDC settles only for a valid live eligible route; normal typed misses are not settled. Free preview and validate tools. Seller payment is separate; the agent keeps its wallet. Optional signed route-binding receipts support buyer-side checks.

Rug pull risk scores and on-chain forensics for memecoins on Solana, Ethereum, Base and Robinhood Chain - launch-bundle detection, funding-origin tracing, deployer history, insider networks and whale flow. 15 read-only tools.

Provides live and historical market data for Bitcoin and any Binance pair via two read-only tools: current price snapshot and historical OHLC candles.