Build and sign Ethereum transactions - EIP-1559, gas estimation, RLP, ERC-20 transfers
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add ethereum-transaction-builder -- uvx transaction-mcp-server~/.codex/config.toml
[mcp_servers.ethereum-transaction-builder]
command = "uvx"
args = ["transaction-mcp-server"]
# codex mcp add ethereum-transaction-builder -- uvx transaction-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"ethereum-transaction-builder": {
"command": "uvx",
"args": [
"transaction-mcp-server"
]
}
}
}.vscode/mcp.json
{
"servers": {
"ethereum-transaction-builder": {
"type": "stdio",
"command": "uvx",
"args": [
"transaction-mcp-server"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"ethereum-transaction-builder": {
"command": "uvx",
"args": [
"transaction-mcp-server"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"ethereum-transaction-builder": {
"command": "uvx",
"args": [
"transaction-mcp-server"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"ethereum-transaction-builder": {
"command": "uvx",
"args": [
"transaction-mcp-server"
]
}
}
}