Blockchain Scanner by Apoth3osis

Name: Blockchain Scanner
Brand: Apoth3osis
SKU: 694832d8b54506f955d789e7
Price: 0.05 USD
Availability: InStock

Blockchain Scanner

Connector

Available ActionsEach successful request consumes credits as outlined below.

balance^5crtoken_balance^5crtransactions^5crcontract_abi^5crgas_oracle^5cr

Details

Multi-chain EVM blockchain data service providing four operations: Balance – Get native currency balance (ETH, MATIC, etc.) for up to 20 addresses. Returns wei and standard units. Transactions – Paginated transaction history (100 per request). Includes hash, block, timestamp, addresses, value, gas metrics, input data, errors. Gas Oracle – EIP-1559 gas recommendations: base fee + priority fees for slow/standard/fast confirmation speeds. Contract ABI – Retrieve ABI JSON for verified smart contracts (functions, events, inputs/outputs). Supported Networks: Ethereum, Base, Base Sepolia, Polygon, Arbitrum One, Optimism

Use Cases

Blockchain Transaction History & Activity Tracking, Ethereum Gas Price & Fee Management, Smart Contract Development, Crypto Balance & Account Management, Multi-Chain & Cross-Chain Operations, Web3 Developer & Integration Tools

Dynamic MCP Setup

Connect once through AgentPMT Dynamic MCP, then use approved tools from the same agent connection.

30 Second Setup

STDIO connector for Claude Code, Codex, Cursor, Zed, and other LLMs that require STDIO or custom connections.

npm install -g @agentpmt/mcp-routeragentpmt-setup

Hosted Streamable HTTPS

MCP endpoint for browser-based apps like ChatGPT, Claude, Grok, or any time you want a streamable connection with no local install.

https://api.agentpmt.com/mcp

Config Example

Use the hosted endpoint directly in clients that support remote MCP. Store your Bearer token in the client config or secret field.

Full connection guide

{
  "mcpServers": {
    "agentpmt": {
      "type": "streamable-http",
      "url": "https://api.agentpmt.com/mcp",
      "headers": {
        "Authorization": "Bearer <AGENTPMT_BEARER_TOKEN>",
        "x-instance-metadata": "{\"client\":\"generic-mcp\",\"platform\":\"remote\"}"
      }
    }
  }
}

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More About Dynamic MCP

Actions(5)

balance^5cr2 params(1 required)

Get native token balance (ETH or MATIC) for one or more wallet addresses. Returns balance in both native units and wei.

addressrequiredarray

Ethereum address(es) to query. Must be 0x-prefixed 42-character hex strings. 1 to 20 addresses allowed.

Array of: string

chainstring

Blockchain network to query. Default: ethereum.

Values:

ethereumbasebase_sepoliapolygonarbitrumoptimism

token_balance^5cr3 params(1 required)

Get ERC-20 token balances for one or more wallet addresses. Supports major stablecoins and wrapped tokens across all supported chains.

addressrequiredarray

Ethereum address(es) to query. Must be 0x-prefixed 42-character hex strings. 1 to 20 addresses allowed.

Array of: string

chainstring

Blockchain network to query. Default: ethereum.

Values:

ethereumbasebase_sepoliapolygonarbitrumoptimism

tokenstring

Token symbol to query (e.g., 'USDC', 'USDT', 'PYUSD', 'DAI', 'WETH'). Use 'all' to get all supported tokens on the selected chain. Defaults to 'all' if not provided.

transactions^5cr3 params(1 required)

Get paginated transaction history for a single address. Returns 100 transactions per request sorted by most recent first.

addressrequiredarray

Exactly 1 wallet address to query. Must be 0x-prefixed 42-character hex string.

Array of: string

chainstring

Blockchain network to query. Default: ethereum.

Values:

ethereumbasebase_sepoliapolygonarbitrumoptimism

transaction_rangearray

Range of transactions to fetch as [start, end] integers. Must span exactly 100 transactions. Index 1 = most recent. Default: [1, 100].

Array of: integer

contract_abi^5cr2 params(1 required)

Retrieve the ABI (Application Binary Interface) JSON for a verified smart contract. Returns the full ABI array plus counts of functions and events.

addressrequiredarray

Exactly 1 contract address to query. Must be 0x-prefixed 42-character hex string.

Array of: string

chainstring

Blockchain network to query. Default: ethereum.

Values:

ethereumbasebase_sepoliapolygonarbitrumoptimism

gas_oracle^5cr1 param

Get current gas price estimates (safe/standard/fast) for a blockchain network. Returns prices in Gwei with EIP-1559 base fee suggestions.

chainstring

Blockchain network to query. Default: ethereum.

Values:

ethereumbasebase_sepoliapolygonarbitrumoptimism

curl -X POST "https://api.agentpmt.com/products/purchase" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer ********" \
  -d '{
    "product_id": "694832d8b54506f955d789e7",
    "parameters": {
      "action": "balance",
      "address": []
    }
  }'

import requests
import json

url = "https://api.agentpmt.com/products/purchase"

headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer ********"
}

data = {
    "product_id": "694832d8b54506f955d789e7",
    "parameters": {
        "action": "balance",
        "address": []
    }
}

response = requests.post(url, headers=headers, json=data)
print(response.status_code)
print(response.json())

const url = "https://api.agentpmt.com/products/purchase";

const headers = {
  "Content-Type": "application/json",
  "Authorization": "Bearer ********"
};

const data = {
  product_id: "694832d8b54506f955d789e7",
  parameters: {
    "action": "balance",
    "address": []
  }
};

fetch(url, {
  method: "POST",
  headers,
  body: JSON.stringify(data)
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error("Error:", error));

const axios = require('axios');

const url = "https://api.agentpmt.com/products/purchase";

const headers = {
  "Content-Type": "application/json",
  "Authorization": "Bearer ********"
};

const data = {
  product_id: "694832d8b54506f955d789e7",
  parameters: {
    "action": "balance",
    "address": []
  }
};

axios.post(url, data, { headers })
  .then(response => {
    console.log(response.status);
    console.log(response.data);
  })
  .catch(error => {
    console.error("Error:", error.message);
  });

Login to view your API and budget keys. The example above uses placeholder values. Sign in to see personalized code with your bearer token.

Autonomous agents can access this tool through AgentAddress credit balances or direct x402 payments. Use the Autonomous Agent API reference for endpoint shapes after choosing the access pattern below.

Recommended

Credit-Based Access Using AgentAddress

AgentAddress is preferred when an autonomous agent needs persistent file access, stored platform state, or maximum tool use ability across repeated calls.

Open Credit-Based Access Using AgentAddress

Direct x402 Payment

Use direct x402 for independent one-off tool calls that do not require shared files or stored platform state.

Accepted public payments

Stablecoin: USDC
Chains: Base, Arbitrum, Optimism, Polygon, and Avalanche

Direct x402 payments are not enabled for this product; use AgentAddress credit access instead.

Product Skill Package

This product has a published Agent Skill package. Install it when an autonomous agent needs product-specific operating instructions in its local skill registry.

Download SKILL.md View package source OpenClaw listing

OpenClaw install

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skills.sh install

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Usage Instructions

Usage guidance provided directly by the developer for this product.

Blockchain Scanner

Multi-chain blockchain data retrieval tool. Query native token balances, ERC-20 token balances, transaction history, verified contract ABIs, and current gas prices across six supported networks.

Supported Chains

Chain Value	Network
`ethereum`	Ethereum Mainnet (default)
`base`	Base L2
`base_sepolia`	Base Sepolia Testnet
`polygon`	Polygon PoS
`arbitrum`	Arbitrum One
`optimism`	Optimism Mainnet

Actions

balance

Get the native token balance (ETH or MATIC) for one or more wallet addresses.

Required fields:

action: "balance"
address: Array of 1-20 wallet addresses (0x-prefixed, 42-character hex strings)

Optional fields:

chain: Network to query (default: "ethereum")

Example - Single address on Ethereum:

{
  "action": "balance",
  "address": ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"]
}

Example - Multiple addresses on Polygon:

{
  "action": "balance",
  "chain": "polygon",
  "address": [
    "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
    "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B"
  ]
}

Response includes: Each address with its balance in native units and in wei, the chain name, and the native token symbol (ETH or MATIC for Polygon).

token_balance

Get ERC-20 token balances for one or more wallet addresses. Supports major stablecoins and wrapped tokens.

Required fields:

action: "token_balance"
address: Array of 1-20 wallet addresses

Optional fields:

chain: Network to query (default: "ethereum")
token: Token symbol to query (e.g., "USDC", "USDT", "DAI", "WETH", "PYUSD"). Use "all" to query all supported tokens on the chain. Defaults to "all" if omitted.

Supported tokens by chain:

Ethereum: USDC, USDT, PYUSD, DAI, WETH, WBTC
Base: USDC, USDbC, DAI, WETH
Polygon: USDC, USDC.e, USDT, DAI, WETH, WMATIC
Arbitrum: USDC, USDC.e, USDT, DAI, WETH
Optimism: USDC, USDC.e, USDT, DAI, WETH

Example - Get USDC balance on Ethereum:

{
  "action": "token_balance",
  "address": ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"],
  "token": "USDC"
}

Example - Get all token balances on Base:

{
  "action": "token_balance",
  "chain": "base",
  "address": ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"],
  "token": "all"
}

Response includes: Each address with token balances (formatted balance, raw balance, decimals) for the requested tokens.

transactions

Get transaction history for a single address. Returns transactions sorted by most recent first, in pages of exactly 100.

Required fields:

action: "transactions"
address: Array with exactly 1 wallet address

Optional fields:

chain: Network to query (default: "ethereum")
transaction_range: Array of two integers [start, end] defining which 100-transaction window to fetch. Index 1 is the most recent transaction. Must span exactly 100 items. Default: [1, 100].

Example - Most recent 100 transactions:

{
  "action": "transactions",
  "address": ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"]
}

Example - Transactions 101-200 on Arbitrum:

{
  "action": "transactions",
  "chain": "arbitrum",
  "address": ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"],
  "transaction_range": [101, 200]
}

Response includes: Each transaction with hash, block number, timestamp, from/to addresses, value in ETH and wei, gas details, input data, and error status.

contract_abi

Retrieve the ABI (Application Binary Interface) for a verified smart contract.

Required fields:

action: "contract_abi"
address: Array with exactly 1 contract address

Optional fields:

chain: Network to query (default: "ethereum")

Example - Get ABI for a contract on Ethereum:

{
  "action": "contract_abi",
  "address": ["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"]
}

Example - Get ABI on Optimism:

{
  "action": "contract_abi",
  "chain": "optimism",
  "address": ["0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85"]
}

Response includes: The full ABI array, plus counts of functions and events in the contract.

gas_oracle

Get current gas price estimates for a blockchain network. Returns safe (slow), standard, and fast gas prices.

Required fields:

action: "gas_oracle"

Optional fields:

chain: Network to query (default: "ethereum")

Example - Ethereum gas prices:

{
  "action": "gas_oracle"
}

Example - Polygon gas prices:

{
  "action": "gas_oracle",
  "chain": "polygon"
}

Response includes: Safe, standard, and fast gas price estimates (in Gwei), suggested base fee, gas used ratio, and timestamp.

Common Workflows

Check a wallet's full portfolio

Call balance to get native ETH/MATIC balance
Call token_balance with token: "all" to get all ERC-20 holdings

Investigate transaction activity

Call transactions with default range [1, 100] for the latest 100 transactions
Page through older transactions with [101, 200], [201, 300], etc.

Inspect a smart contract

Call contract_abi to retrieve the verified ABI
Use the ABI to understand available functions and events

Estimate transaction costs

Call gas_oracle to get current gas prices on the target chain

Important Notes

All addresses must be 0x-prefixed, 42-character hexadecimal strings.
The balance and token_balance actions accept up to 20 addresses per request.
The transactions and contract_abi actions require exactly 1 address.
The gas_oracle action does not require any address.
The transaction_range must always span exactly 100 transactions (e.g., [1, 100], [101, 200]).
On Polygon, the native token is MATIC; on all other chains it is ETH.
The contract_abi action only works for verified contracts. Unverified contracts will return an error.
Token availability varies by chain. If a token is not supported on the selected chain, the tool returns an error listing available tokens.
Base Sepolia (testnet) has no preconfigured ERC-20 tokens for token_balance.

Frequently Asked Questions

How do I connect this tool to an external agent?

You can install the local MCP server by opening a terminal and running:

Install commands

npm install -g @agentpmt/mcp-router
agentpmt-setup

This will connect you to local agents like Claude Code, Windsurf, Grok Build, Cursor, etc.

Alternatively you can connect to the hosted version with this config block, no installation required:

Hosted MCP config

{
  "mcpServers": {
    "agentpmt": {
      "type": "streamable-http",
      "url": "https://api.agentpmt.com/mcp",
      "headers": {
        "Authorization": "Bearer <AGENTPMT_BEARER_TOKEN>",
        "x-instance-metadata": "{\"client\":\"generic-mcp\",\"platform\":\"remote\"}"
      }
    }
  }
}

View MCP Connection Instructions for more details.

How does an external agent use this tool?

After the external agent is connected to an Agent Group that can use this tool, paste this prompt into the agent:

Agent prompt

Use the AgentPMT-Tool-Search-and-Execution tool. First call action 'get_instructions' so you know how to use the tool search interface. Then call action 'get_schema' with tool_id 694832d8b54506f955d789e7 ("Blockchain Scanner"). After reading the schema and any returned instructions, tell me what this tool can do, we are going to be using it

The agent should fetch the tool schema first, collect the required parameters for your request, and then call the tool through AgentPMT.

Blockchain Scanner

Available ActionsEach successful request consumes credits as outlined below.

Details

Use Cases

Dynamic MCP Setup

30 Second Setup

Hosted Streamable HTTPS

Config Example

Frequently Asked Questions

How do I connect this tool to an external agent?

How does an external agent use this tool?

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