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Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit), x402 wash filter, 0% checkout & tax CSV.
UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypto Checkout & Tax Engine 是 ChatHome Skills 收录的 MCP 条目，来源为 Official MCP Registry，质量分 100/100。 作为 Model Context Protocol 服务器，它向 Claude、Cursor、Copilot 等兼容 MCP 的 LLM 客户端暴露可直接调用的工具，让 agent 的能力超出模型内置范围。 该条目由 ChatHome Skills 的每日抓取从官方 registry 和 GitHub 发现查询中收录，每次运行都会重新核验仓库事实、新鲜度信号和安装元数据。 质量分综合了官方 registry 收录情况、可用安装命令、许可证完整性、仓库活跃度和 GitHub star 趋势，完整算法说明见来源页。安装命令已列于上方，可直接复制使用。 在将 UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypto Checkout & Tax Engine 加入生产 agent 工作流前，请核对上方的最近更新日期和仓库状态——下方事实快照是最近一次抓取的时点值。
mcp add xyz.unfee/mcp https://unfee.xyz/mcp运行此命令前，请先核对上游源码。
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-10-26T12:26:21.446206Z",
"publishedAt": "2026-10-26T12:26:21.446206Z",
"statusChangedAt": "2026-10-26T12:26:21.446206Z"
}
},
"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 ($0.50 per 1M calls)",
"facilitator": "https://unfee.xyz/api/x402/verify"
},
"tools": [
"create_payment_link",
"get_instant_free_rpc_key",
"compare_payment_fees",
"get_live_arb_opportunities",
"verify_transaction",
"unfee_check_seller_reputation",
"unfee_pay_with_delivery_proof",
"unfee_generate_tax_report",
"base_rpc_request",
"eth_getLogs_flat_rate",
"xrpl_rpc_request",
"ethereum_rpc_request",
"unfee_trace_x402_wash_filter",
"unfee_address_guard"
],
"rpcHubUrl": "https://unfee.xyz/rpc",
"chainlistUrl": "https://unfee.xyz/chainlist.json",
"taxPortalUrl": "https://unfee.xyz/tax",
"serverCardUrl": "https://unfee.xyz/.well-known/mcp/server-card.json",
"tracePortalUrl": "https://unfee.xyz/trace",
"rpcFailoverSdkUrl": "https://unfee.xyz/rpc.js",
"etherscanV2DropInUrl": "https://unfee.xyz/v2/api",
"walletInUrlEndpoints": {
"base": "https://api.unfee.xyz/rpc/base/0xYourWallet",
"xrpl": "https://api.unfee.xyz/rpc/xrpl/rYourWallet",
"ethereum": "https://api.unfee.xyz/rpc/eth/0xYourWallet"
},
"errorRescueCapabilities": [
"HTTP 429 Too Many Requests auto-failover",
"JSON-RPC -32005 / -32011 / -32602 rate-limit & block-range rescue",
"10,000-block auto-chunked eth_getLogs at 1 flat credit (no 75-500x CU multiplier)",
"Full JSON-RPC 2.0 batch array support ([{...}, {...}]) for ethers v6, viem, Foundry & Hardhat",
"Live x402 Organic vs. Wash/Test Volume Filter (/trace) & Pre-Send Address-Poisoning Guard"
]
}
}
},
"icons": [
{
"src": "https://unfee.xyz/brand/logo-circle.svg",
"sizes": [
"any"
],
"mimeType": "image/svg+xml"
}
],
"title": "UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypto Checkout & Tax Engine",
"$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": "1.5.0",
"websiteUrl": "https://unfee.xyz/rpc",
"description": "Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit), x402 wash filter, 0% checkout & tax CSV."
}
}