Prepare Transactions MCP Server
by cryptoapis-ioio.github.CryptoAPIs-io/mcp-prepare-transactionsv0.5.0
MCP server for building unsigned transactions on EVM, Tezos, Solana, Kaspa, XRP, UTXO, Tron
context tax
queued
security
queued
cold start
queued
freshness
Active11d ago
Install Prepare Transactions MCP server
Install in Claude Code
claude mcp add prepare-transactions -e CRYPTOAPIS_API_KEY='<cryptoapis-api-key>' -- npx -y @cryptoapis-io/mcp-prepare-transactionsInstall in Cursor
{
"mcpServers": {
"prepare-transactions": {
"command": "npx",
"args": [
"-y",
"@cryptoapis-io/mcp-prepare-transactions"
],
"env": {
"CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"prepare-transactions": {
"command": "npx",
"args": [
"-y",
"@cryptoapis-io/mcp-prepare-transactions"
],
"env": {
"CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"prepare-transactions": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cryptoapis-io/mcp-prepare-transactions"
],
"env": {
"CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"prepare-transactions": {
"command": "npx",
"args": [
"-y",
"@cryptoapis-io/mcp-prepare-transactions"
],
"env": {
"CRYPTOAPIS_API_KEY": "<cryptoapis-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CRYPTOAPIS_API_KEY | yes | yes | Crypto APIs API key |
Freshness
Active — last maintenance signal 11d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-28 · 11d ago · GitHub
Latest release
2026-09-24 · 15d ago · GitHub · v0.5.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-24 · 15d ago · official registry · v0.5.0
FAQ
›How do I install the Prepare Transactions MCP server in Claude Code?
Run: claude mcp add prepare-transactions -e CRYPTOAPIS_API_KEY='<cryptoapis-api-key>' -- npx -y @cryptoapis-io/mcp-prepare-transactions. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Prepare Transactions require an API key?
Yes. It expects CRYPTOAPIS_API_KEY, of which 1 is a secret.
›Can I use Prepare Transactions as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Prepare Transactions in the official MCP registry?
Yes, as io.github.CryptoAPIs-io/mcp-prepare-transactions.