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MCP server for transaction lookup across EVM, UTXO, Solana, XRP, Kaspa via Crypto APIs
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MCP server for transaction lookup across EVM, UTXO, Solana, XRP, Kaspa via Crypto APIs
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (2 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (23/23 approved).
12 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
What You'll Need
Set these up before or after installing:
Crypto APIs API keyRequired
Environment variable: CRYPTOAPIS_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-cryptoapis-io-mcp-transactions-data": {
"env": {
"CRYPTOAPIS_API_KEY": "your-cryptoapis-api-key-here"
},
"args": [
"-y",
"@cryptoapis-io/mcp-transactions-data"
],
"command": "npx"
}
}
}Getting Started
Once installed, try these example prompts and explore these capabilities:
- 1"Get the details of Ethereum transaction 0xABC..."
- 2"What tokens were transferred in this transaction hash?"
- 3"Show me the internal transactions for this EVM tx"
- 4"Get the raw Bitcoin transaction data for this hash"
- 5Tool: transactions_data_evm — EVM transaction details, token transfers, internal txs, logs
- 6Tool: transactions_data_utxo — Bitcoin/UTXO transaction details and raw data
- 7Tool: transactions_data_solana — Solana transaction details by signature
- 8Tool: transactions_data_xrp — XRP transaction details
- 9Tool: transactions_data_kaspa — Kaspa transaction details
Documentation
View on GitHubFrom the project's GitHub README.
@cryptoapis-io/mcp-transactions-data
MCP server for Crypto APIs Transactions Data product. Look up transaction details by hash across EVM, UTXO, Solana, XRP, and Kaspa blockchains.
API Version: Compatible with Crypto APIs version 2024-12-12
Features
- UTXO: Get transaction details and raw transaction data (Bitcoin, Bitcoin Cash, Litecoin, Dogecoin, Dash, Zcash)
- EVM: Get transaction details, internal transactions, token transfers, and logs (Ethereum, Ethereum Classic, BSC, Polygon, Avalanche (C-Chain), Arbitrum, Base, Optimism, Tron)
- Solana: Get transaction details by signature
- XRP: Get transaction details
- Kaspa: Get transaction details by transaction ID
Prerequisites
- Node.js 18+
- Crypto APIs account and API key (sign up | get API key)
Installation
npm install @cryptoapis-io/mcp-transactions-data
Or install all Crypto APIs MCP servers: npm install @cryptoapis-io/mcp
Usage
# Run with API key
npx @cryptoapis-io/mcp-transactions-data --api-key YOUR_API_KEY
# Or use environment variable
export CRYPTOAPIS_API_KEY=YOUR_API_KEY
npx @cryptoapis-io/mcp-transactions-data
# HTTP transport
npx @cryptoapis-io/mcp-transactions-data --transport http --port 3000 --api-key YOUR_API_KEY
Claude Desktop
Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows):
{
"mcpServers": {
"cryptoapis-transactions-data": {
"command": "npx",
"args": ["-y", "@cryptoapis-io/mcp-transactions-data"],
"env": {
"CRYPTOAPIS_API_KEY": "your_api_key_here"
}
}
}
}
Cursor
Add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (global):
{
"mcpServers": {
"cryptoapis-transactions-data": {
"command": "npx",
"args": ["-y", "@cryptoapis-io/mcp-transactions-data"],
"env": {
"CRYPTOAPIS_API_KEY": "your_api_key_here"
}
}
}
}
MCP Inspector
npx @modelcontextprotocol/inspector npx @cryptoapis-io/mcp-transactions-data --api-key YOUR_API_KEY
n8n
- Start the server in HTTP mode:
npx @cryptoapis-io/mcp-transactions-data --transport http --port 3000 --api-key YOUR_API_KEY - In your n8n workflow, add an AI Agent node
- Under Tools, add an MCP Client Tool and set the URL to
http://localhost:3000/mcp
All servers default to port 3000. Use
--portto assign different ports when running multiple servers.
Available Tools
transactions_data_utxo
UTXO transaction details (Bitcoin, Bitcoin Cash, Litecoin, Dogecoin, Dash, Zcash).
| Action | Description |
|---|---|
get-transaction-details | Get transaction details by hash |
get-raw-transaction-data | Get raw transaction data by hash |
transactions_data_evm
EVM transaction details (Ethereum, Ethereum Classic, BSC, Polygon, Avalanche (C-Chain), Arbitrum, Base, Optimism, Tron).
| Action | Description |
|---|---|
get-transaction-details | Get transaction details by hash |
list-internal-transactions | List internal transactions by hash |
list-token-transfers | List token transfers by hash |
list-logs | List event logs by hash |
transactions_data_solana
Solana transaction details (mainnet, devnet).
| Parameter | Description |
|---|---|
network | Network (mainnet, devnet) |
transactionHash | Transaction signature |
transactions_data_xrp
XRP transaction details (mainnet, testnet).
| Parameter | Description |
|---|---|
network | Network (mainnet, testnet) |
transactionHash | Transaction hash |
transactions_data_kaspa
Kaspa transaction details (mainnet).
| Parameter | Description |
|---|---|
network | Network (mainnet) |
transactionId | Transaction ID |
CLI Arguments
| Argument | Description | Default |
|---|---|---|
--api-key | Crypto APIs API key | CRYPTOAPIS_API_KEY env var |
--transport | Transport type: stdio or http | stdio |
--host | HTTP host | 0.0.0.0 |
--port | HTTP port | 3000 |
--path | HTTP path | /mcp |
--stateless | Enable stateless HTTP mode | false |
HTTP API Key Modes
When using HTTP transport, the server supports two API key modes:
- With
--api-key: The key is used for all requests.x-api-keyrequest headers are ignored. - Without
--api-key: Each request must include anx-api-keyheader with a valid Crypto APIs key. This enables hosting a public server where each user provides their own key.
# Per-request key mode (multi-tenant)
npx @cryptoapis-io/mcp-transactions-data --transport http --port 3000
# Clients send x-api-key header with each request
Stdio transport always requires an API key at startup.
Important: API Key Required
Warning: Making requests without a valid API key — or with an incorrect one — may result in your IP being banned from the Crypto APIs ecosystem. Always ensure a valid API key is configured before starting any server.
Remote MCP Server
Crypto APIs provides an official remote MCP server with all tools available via HTTP Streamable transport at https://ai.cryptoapis.io/mcp. Pass your API key via the x-api-key header — no installation required.
License
MIT
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