Broadcast signed raw transactions to multiple blockchains via Crypto APIs
About
Broadcast signed raw transactions to blockchain networks using your AI assistant. This hosted MCP server connects directly to the Crypto APIs Broadcast product — no local installation needed. Supports EVM chains (Ethereum, BSC, Polygon, Avalanche, Arbitrum, Base, Optimism, Tron), UTXO chains (Bitcoin, Litecoin, Dogecoin, Dash, Zcash, Bitcoin Cash), Solana, and XRP. Submit your signed hex-encoded transaction and receive the transaction hash instantly. Requires a Crypto APIs API key passed via the x-api-key header.
Security Report
Remote MCP endpoint verified (409ms response). Server: cryptoapis-mcp-http-server. 2 trust signals: valid MCP protocol, requires auth. No security issues detected.
Endpoint verified · Open access · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Remote servers are capped at 8.0 because source code is not available for review. The score reflects endpoint verification only.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: x-api-key
Sign up freeHow to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"cryptoapis-broadcast-mcp-http-server": {
"env": {
"x-api-key": "your-x-api-key-here"
},
"url": "https://ai.cryptoapis.io/mcp/broadcast"
}
}
}Getting Started
Once installed, try these example prompts and explore these capabilities:
- 1"Broadcast this signed Ethereum transaction hex to mainnet"
- 2"Submit this signed Bitcoin transaction"
- 3"Push this signed Polygon transaction and give me the hash"
- 4Tool: broadcast_transaction_evm — Broadcast a signed raw transaction to an EVM network
- 5Tool: broadcast_transaction_utxo — Broadcast a signed raw UTXO transaction
- 6Tool: broadcast_transaction_solana — Broadcast a signed Solana transaction
- 7Tool: broadcast_transaction_xrp — Broadcast a signed XRP transaction
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