UnFee — 1-Credit Base/ETH/XRPL RPC Gateway, True 0% Crypto Checkout & Form 8949 Tax Engine

{
  "_meta": {
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      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-26T04:19:18.830825Z",
      "publishedAt": "2026-10-26T04:19:18.830825Z",
      "statusChangedAt": "2026-10-26T04:19:18.830825Z"
    }
  },
  "server": {
    "name": "xyz.unfee/mcp",
    "_meta": {
      "io.modelcontextprotocol.registry/publisher-provided": {
        "xyz.unfee": {
          "x402": {
            "supported": true,
            "topupRate": "$1.00 USDC = +2,000,000 RPC Credits ($0.50 per 1M calls)",
            "facilitator": "https://unfee.xyz/api/x402/verify"
          },
          "tools": [
            "create_payment_link",
            "get_instant_free_rpc_key",
            "compare_payment_fees",
            "get_live_arb_opportunities",
            "verify_transaction",
            "unfee_check_seller_reputation",
            "unfee_pay_with_delivery_proof",
            "unfee_generate_tax_report",
            "base_rpc_request",
            "eth_getLogs_flat_rate",
            "xrpl_rpc_request",
            "ethereum_rpc_request"
          ],
          "rpcHubUrl": "https://unfee.xyz/rpc",
          "chainlistUrl": "https://unfee.xyz/chainlist.json",
          "taxPortalUrl": "https://unfee.xyz/tax",
          "serverCardUrl": "https://unfee.xyz/.well-known/mcp/server-card.json",
          "rpcFailoverSdkUrl": "https://unfee.xyz/rpc.js",
          "walletInUrlEndpoints": {
            "base": "https://api.unfee.xyz/rpc/base/0xYourWallet",
            "xrpl": "https://api.unfee.xyz/rpc/xrpl/rYourWallet",
            "ethereum": "https://api.unfee.xyz/rpc/eth/0xYourWallet"
          },
          "errorRescueCapabilities": [
            "HTTP 429 Too Many Requests auto-failover",
            "JSON-RPC -32005 / -32011 / -32602 rate-limit & block-range rescue",
            "10,000-block auto-chunked eth_getLogs at 1 flat credit (no 75-500x CU multiplier)",
            "Full JSON-RPC 2.0 batch array support ([{...}, {...}]) for ethers v6, viem, Foundry & Hardhat"
          ]
        }
      }
    },
    "icons": [
      {
        "src": "https://unfee.xyz/brand/logo-circle.svg",
        "sizes": [
          "any"
        ],
        "mimeType": "image/svg+xml"
      }
    ],
    "title": "UnFee — 1-Credit Base/ETH/XRPL RPC Gateway, True 0% Crypto Checkout & Form 8949 Tax Engine",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://unfee.xyz/mcp",
        "type": "streamable-http"
      },
      {
        "url": "https://unfee-gateway.unfee.workers.dev/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "1.4.0",
    "websiteUrl": "https://unfee.xyz/rpc",
    "description": "Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit, 250K free/mo), 0% crypto checkout & tax CSV."
  }
}