A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add mails-ai-agent-email --env MAILS_API_KEY='<MAILS_API_KEY>' -- npx -y @mailsai/mcp-server~/.codex/config.toml
[mcp_servers.mails-ai-agent-email]
command = "npx"
args = ["-y", "@mailsai/mcp-server"]
env = { MAILS_API_KEY = "<MAILS_API_KEY>" }
# codex mcp add mails-ai-agent-email --env MAILS_API_KEY='<MAILS_API_KEY>' -- npx -y @mailsai/mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"mails-ai-agent-email": {
"command": "npx",
"args": [
"-y",
"@mailsai/mcp-server"
],
"env": {
"MAILS_API_KEY": "<MAILS_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"mails-ai-agent-email": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mailsai/mcp-server"
],
"env": {
"MAILS_API_KEY": "<MAILS_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"mails-ai-agent-email": {
"command": "npx",
"args": [
"-y",
"@mailsai/mcp-server"
],
"env": {
"MAILS_API_KEY": "<MAILS_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"mails-ai-agent-email": {
"command": "npx",
"args": [
"-y",
"@mailsai/mcp-server"
],
"env": {
"MAILS_API_KEY": "<MAILS_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"mails-ai-agent-email": {
"command": "npx",
"args": [
"-y",
"@mailsai/mcp-server"
],
"env": {
"MAILS_API_KEY": "<MAILS_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http mails-ai-agent-email https://api.mails.ai/mcp~/.codex/config.toml
[mcp_servers.mails-ai-agent-email]
url = "https://api.mails.ai/mcp"
# codex mcp add mails-ai-agent-email --url https://api.mails.ai/mcp~/.cursor/mcp.json
{
"mcpServers": {
"mails-ai-agent-email": {
"url": "https://api.mails.ai/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"mails-ai-agent-email": {
"type": "http",
"url": "https://api.mails.ai/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"mails-ai-agent-email": {
"httpUrl": "https://api.mails.ai/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"mails-ai-agent-email": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://api.mails.ai/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"mails-ai-agent-email": {
"url": "https://api.mails.ai/mcp"
}
}
}Environment variables
MAILS_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.