MCP server

Rate Hub

org.sky-1/rate-hub

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Indicative fiat and crypto rates over MCP, paid per request via x402 at $0.0001/request.

At a glance

Type

MCP server

Publisher

sky-1.org (verified by the MCP Registry)

Status

Working at last check

Tools

7

Token cost

About 2,624 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http rate-hub https://x402-v1.sky-1.org/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.rate-hub]
url = "https://x402-v1.sky-1.org/mcp"

Gemini CLI

{"mcpServers":{"rate-hub":{"httpUrl":"https://x402-v1.sky-1.org/mcp"}}}

Cursor

{"mcpServers":{"rate-hub":{"url":"https://x402-v1.sky-1.org/mcp"}}}

VS Code

{"servers":{"rate-hub":{"type":"http","url":"https://x402-v1.sky-1.org/mcp"}}}

Antigravity

agy mcp add rate-hub https://x402-v1.sky-1.org/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"rate-hub","server_url":"https://x402-v1.sky-1.org/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"rate-hub","server_url":"https://x402-v1.sky-1.org/mcp"}

Tools

• get_categories ~202 tokens
  Coin categories (GET /v1/categories): each category id and name with the catalog uids that belong to it, for example layer-1 or stablecoins. Join it with uids from get_rates or search_assets to group holdings. It changes about once a day; as_of says when it was refreshed. A coin can be in several ca
• get_daily ~381 tokens
  Immutable daily rates for uids and UTC days (POST /v1/rates/daily). Days are UTC calendar dates (YYYY-MM-DD) in the past. Crypto history older than about a year is served at daily granularity from daily candles (source s8) back to the earliest day each asset has; an asset with no such history is out
• get_meta ~48 tokens
  API limits, supported quote currencies, and build info (GET /v1/meta).
• get_rates ~647 tokens
  Batch indicative prices for catalog uids (POST /v1/rates). Prices are decimal strings. Uids are class-ranged (uid = class*1e8+seq; 1=fiat e.g. usd 100000001, 2=crypto e.g. btc 200000001). Use search_assets to find uids. Per-rate status: ok = fresh price; stale = last known price, upstream is late (s
• get_series ~478 tokens
  Price history of one asset for charts (GET /v1/rates/series). Crypto: every range. Fiat: 1d and 7d from rate-hub's own readings taken about every 30 minutes; 30d, 90d, 1y and max one point per UTC day from the daily archive (it has a start day, days without a document are skipped, a cold range fills
• get_top ~265 tokens
  Top crypto assets by market rank (GET /v1/top), with change and, by default, the market block (rank, market cap, volume, supply). Size: about 1 KB per asset with market (both copies of the result), smaller without. Default limit is 20 (max 250); pass include_market=false for a compact list. Items th
• search_assets ~603 tokens
  Catalog lookup (GET /v1/assets); use it to turn tickers or names into uids. Filters: q (free text), symbol, symbols (several tickers in one call), candidate (the uid of a candidates entry; registers that coin on demand; use alone), chain+contract (an unknown Solana mint can be registered on demand;

Browse

• Calendars
• Hiring and jobs
• Crypto and blockchains

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