# Whale Watcher

> Monitor large transactions and whale movements on-chain.

- Skill: `majiayu000/whale-watcher` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/whale-watcher`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/whale-watcher/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/whale-watcher

---


# Whale Watcher Skill

Monitor large transactions and whale movements on-chain.

## Overview

Track large token transfers and notable wallet activity using on-chain data and block explorer APIs.

## Capabilities

- **Large transfer alerts**: Detect transfers above a threshold
- **Wallet tracking**: Monitor specific addresses for activity
- **Recent blocks scan**: Scan recent blocks for notable transactions
- **Token flow analysis**: Track inflows/outflows for specific tokens

## Tools Used

- `get_block_info` - Fetch block data with transactions
- `get_transaction` - Get transaction details
- `get_native_balance` - Check whale wallet balances
- `get_erc20_balance` - Check token holdings

## Data Sources

- On-chain block/transaction data via RPC
- Block explorer APIs (Etherscan, BSCScan) for indexed data

## Example Interactions

User: "Any big BNB transfers in the last hour?"
Action: Scan recent blocks on BSC, filter transactions above 100 BNB

User: "Watch this address: 0x..."
Action: Check recent transactions for the address, report notable activity

User: "What are whales doing with PEPE?"
Action: Check large PEPE transfers on Ethereum, summarize trends

