{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"xyz.unfee/mcp","description":"Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit, 250K free/mo), 0% crypto checkout & tax CSV.","title":"UnFee — 1-Credit Base/ETH/XRPL RPC Gateway, True 0% Crypto Checkout & Form 8949 Tax Engine","version":"1.4.0","websiteUrl":"https://unfee.xyz/rpc","icons":[{"src":"https://unfee.xyz/brand/logo-circle.svg","mimeType":"image/svg+xml","sizes":["any"]}],"remotes":[{"type":"streamable-http","url":"https://unfee.xyz/mcp"},{"type":"streamable-http","url":"https://unfee-gateway.unfee.workers.dev/mcp"}],"_meta":{"io.modelcontextprotocol.registry/publisher-provided":{"xyz.unfee":{"chainlistUrl":"https://unfee.xyz/chainlist.json","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"],"rpcFailoverSdkUrl":"https://unfee.xyz/rpc.js","rpcHubUrl":"https://unfee.xyz/rpc","serverCardUrl":"https://unfee.xyz/.well-known/mcp/server-card.json","taxPortalUrl":"https://unfee.xyz/tax","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"],"walletInUrlEndpoints":{"base":"https://api.unfee.xyz/rpc/base/0xYourWallet","ethereum":"https://api.unfee.xyz/rpc/eth/0xYourWallet","xrpl":"https://api.unfee.xyz/rpc/xrpl/rYourWallet"},"x402":{"facilitator":"https://unfee.xyz/api/x402/verify","supported":true,"topupRate":"$1.00 USDC = +2,000,000 RPC Credits ($0.50 per 1M calls)"}}}}},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-10-26T04:19:18.830825Z","publishedAt":"2026-10-26T04:19:18.830825Z","updatedAt":"2026-10-26T04:19:18.830825Z","isLatest":true}}}