Send transactional email and manage domains, audiences, and broadcasts from any MCP client.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add eusend --env EUSEND_API_KEY='<EUSEND_API_KEY>' -- npx -y @eusend_dev/mcp~/.codex/config.toml
[mcp_servers.eusend]
command = "npx"
args = ["-y", "@eusend_dev/mcp"]
env = { EUSEND_API_KEY = "<EUSEND_API_KEY>" }
# codex mcp add eusend --env EUSEND_API_KEY='<EUSEND_API_KEY>' -- npx -y @eusend_dev/mcp~/.cursor/mcp.json
{
"mcpServers": {
"eusend": {
"command": "npx",
"args": [
"-y",
"@eusend_dev/mcp"
],
"env": {
"EUSEND_API_KEY": "<EUSEND_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"eusend": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@eusend_dev/mcp"
],
"env": {
"EUSEND_API_KEY": "<EUSEND_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"eusend": {
"command": "npx",
"args": [
"-y",
"@eusend_dev/mcp"
],
"env": {
"EUSEND_API_KEY": "<EUSEND_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"eusend": {
"command": "npx",
"args": [
"-y",
"@eusend_dev/mcp"
],
"env": {
"EUSEND_API_KEY": "<EUSEND_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"eusend": {
"command": "npx",
"args": [
"-y",
"@eusend_dev/mcp"
],
"env": {
"EUSEND_API_KEY": "<EUSEND_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http eusend https://mcp.eusend.dev/mcp --header 'Authorization: Bearer <API_KEY>'~/.codex/config.toml
[mcp_servers.eusend]
url = "https://mcp.eusend.dev/mcp"
bearer_token_env_var = "EUSEND_API_KEY"
# codex mcp add eusend --url https://mcp.eusend.dev/mcp --bearer-token-env-var EUSEND_API_KEY
# export EUSEND_API_KEY=<API_KEY>~/.cursor/mcp.json
{
"mcpServers": {
"eusend": {
"url": "https://mcp.eusend.dev/mcp",
"headers": {
"Authorization": "Bearer <API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"eusend": {
"type": "http",
"url": "https://mcp.eusend.dev/mcp",
"headers": {
"Authorization": "Bearer <API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"eusend": {
"httpUrl": "https://mcp.eusend.dev/mcp",
"headers": {
"Authorization": "Bearer <API_KEY>"
}
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"eusend": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.eusend.dev/mcp",
"--header",
"Authorization:${AUTH_HEADER}"
],
"env": {
"AUTH_HEADER": "Bearer <API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"eusend": {
"url": "https://mcp.eusend.dev/mcp",
"headers": {
"Authorization": "Bearer <API_KEY>"
}
}
}
}Environment variables
EUSEND_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.