"X" matching MCP servers:

Autonomous AI agent monitoring X Layer DeFi protocols via real RPC calls, providing MCP tools for pool scanning, anomaly detection, risk scoring, alerts, position health checks, and audit trails.

Enables AI agents to discover and pay for x402-gated HTTP APIs, handling 402 Payment Required flows with local signing. Supports EVM and Solana with non-custodial wallet management.

Solana enterprise compliance screening and RFC 9110 x402 HTTP micro-payment settlement for AI agents with fail-closed OFAC and drainer threat intelligence.

x402-trust gives AI agents a "check before you pay" layer for the x402 ecosystem.

Enables AI agents to check paywalled resource prices, pay and fetch content within enforced budgets, and inspect wallet status.

Enables MCP clients to access all endpoints of an x402 gateway by paying real-time microtransactions (USDC on Base) per API call, with automatic tool discovery and spend guardrails.

Enables AI agents to discover, inspect, and pay for paid HTTP and MCP services using USDC on Solana with a self-custodial wallet.

Pay-per-use IBM Granite AI over MCP — chat, code, embeddings, analysis, and forecasting, billed in USDC on Solana. No IBM account required.

Local stdio MCP bridge for XCREENER's XQL screener API — validate, explain, and run XQL queries from Claude Desktop, Cursor, Windsurf, or any stdio MCP client.

MCP server enabling AI agents to purchase VPS and blockchain node products using USDC on Base via Easy Node's x402 API.

Enables AI agents to trade forex, metals, indices, and cryptocurrencies via the Model Context Protocol using the XBTFX Trading API. It provides comprehensive tools for managing account balances, retrieving market data, and executing trade operations like opening, modifying, or closing positions.

Enables AI agents to discover x402 payment services and query on-chain-verified settlement volumes per facilitator through the Model Context Protocol.

MCP server for pay-per-call DeFi and crypto data via x402 micropayments on Base. 8 endpoints: token prices, TVL, funding rates, token security, gas tracker, whale monitoring, wallet profiling, and yield scanning.

MCP server that aggregates x402 crypto services as tools for AI agents, providing prices, sentiment, funding rates, and technical indicators with x402 pay-per-call on Base.

Pay-per-call MCP server for on-chain blockchain data including wallet profiles, token metrics, protocol TVL, and gas prices.

The MCP gateway that lets any AI agent discover and pay metered APIs on Base or Solana — without the user wiring payments themselves.

The x402 ecosystem's read MCP for Base. Verify on-chain USDC settlements, parse publisher manifests, and audit x402 payment receipts from any MCP-compatible AI agent.

MCP server that enables AI agents to search, describe, and fetch x402 endpoints on Base or Solana, with automatic USDC micropayments.

MCP server for a live x402 payment gateway on Base (USDC). Lets AI agents discover, preview for free, then pay per call — with prepaid gasless payments, signed receipts, and delta delivery.

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