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Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit, 250K free/mo), 0% crypto checkout & tax CSV.
UnFee — 1-Credit Base/ETH/XRPL RPC Gateway, True 0% Crypto Checkout & Form 8949 Tax Engine is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 100/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding UnFee — 1-Credit Base/ETH/XRPL RPC Gateway, True 0% Crypto Checkout & Form 8949 Tax Engine to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add xyz.unfee/mcp https://unfee.xyz/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"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."
}
}