MCP server for whale data free, no key

Home › API docs › MCP server (AI agents) · Updated 2026-10-26

Endpoints

Base URL https://deepbluealpha.io · JSON over HTTPS · Ethereum mainnet only.

Tools

Example request (curl)

curl -s https://deepbluealpha.io/mcp \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call",
       "params":{"name":"get_token_whale_activity",
                 "arguments":{"symbol":"LINK","timeframe":"7d"}}}'

# Claude Code
claude mcp add --transport http deep-blue-alpha https://deepbluealpha.io/mcp

Python example

import requests

URL = "https://deepbluealpha.io/mcp"
HDR = {"Content-Type": "application/json", "Accept": "application/json, text/event-stream"}

def call(method, params=None, id_=1):
    r = requests.post(URL, headers=HDR, timeout=30,
                      json={"jsonrpc": "2.0", "id": id_, "method": method, "params": params or {}})
    r.raise_for_status()
    return r.json()["result"]

tools = call("tools/list")["tools"]
print([t["name"] for t in tools])
res = call("tools/call", {"name": "get_recent_whale_moves",
                          "arguments": {"limit": 5, "min_usd": 250000}})
print(res["content"][0]["text"])

Sample response EXAMPLE VALUES

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "content": [ { "type": "text", "text": "LINK — tracked whale moves, last 7 days ..." } ],
    "structuredContent": { "...": "the same data as JSON" },
    "isError": false
  }
}

Field names and structure are the real ones; the numbers, hashes and addresses are placeholders, not live data.

Fields

Notes and limits

• Supported protocol versions: 2025-06-18, 2025-03-26 and 2024-11-05.
• Tools return only data that is already free on the website. For move-level history, higher volume or commercial use, use the REST API (transactions, token flow) or the Business plan.
• Setup for Claude Desktop, ChatGPT and Cursor: open deepbluealpha.io/mcp in a browser.

Errors

• JSON-RPC -32602 — Unknown tool name.
• isError: true — Rate limit (120 calls / 10 min) or a failed tool call.

FAQ

Is there an MCP server for Ethereum whale data?

Yes. https://deepbluealpha.io/mcp is a free, no-key MCP server (Streamable HTTP) with 7 read-only tools for Ethereum whale moves, exchange flows, top whale tokens and the Whale Sentiment Index. Rate limit: 120 calls per 10 minutes per IP.

More endpoint docs

Guides: best Ethereum whale tracking APIs compared · real-time whale tracking for a trading bot · whale webhook APIs · methodology · OpenAPI 3.0 spec · Business plan