Send transactional email and manage MailPace domains from MCP clients.
Connect Runs on your machine
claude mcp add mailpace-mcp -e MAILPACE_API_TOKEN=<MAILPACE_API_TOKEN> -e MAILPACE_ORGANIZATION_TOKEN=<MAILPACE_ORGANIZATION_TOKEN> -e MAILPACE_ALLOWED_RECIPIENTS=<MAILPACE_ALLOWED_RECIPIENTS> -e MAILPACE_REQUEST_TIMEOUT_MS=<MAILPACE_REQUEST_TIMEOUT_MS> -e MAILPACE_MAX_RETRIES=<MAILPACE_MAX_RETRIES> -- npx -y @mailpace/[email protected]{
"mcpServers": {
"mailpace-mcp": {
"command": "npx",
"args": [
"-y",
"@mailpace/[email protected]"
],
"env": {
"MAILPACE_API_TOKEN": "<MAILPACE_API_TOKEN>",
"MAILPACE_ORGANIZATION_TOKEN": "<MAILPACE_ORGANIZATION_TOKEN>",
"MAILPACE_ALLOWED_RECIPIENTS": "<MAILPACE_ALLOWED_RECIPIENTS>",
"MAILPACE_REQUEST_TIMEOUT_MS": "<MAILPACE_REQUEST_TIMEOUT_MS>",
"MAILPACE_MAX_RETRIES": "<MAILPACE_MAX_RETRIES>"
}
}
}
}{
"mcpServers": {
"mailpace-mcp": {
"command": "npx",
"args": [
"-y",
"@mailpace/[email protected]"
],
"env": {
"MAILPACE_API_TOKEN": "<MAILPACE_API_TOKEN>",
"MAILPACE_ORGANIZATION_TOKEN": "<MAILPACE_ORGANIZATION_TOKEN>",
"MAILPACE_ALLOWED_RECIPIENTS": "<MAILPACE_ALLOWED_RECIPIENTS>",
"MAILPACE_REQUEST_TIMEOUT_MS": "<MAILPACE_REQUEST_TIMEOUT_MS>",
"MAILPACE_MAX_RETRIES": "<MAILPACE_MAX_RETRIES>"
}
}
}
}{
"servers": {
"mailpace-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mailpace/[email protected]"
],
"env": {
"MAILPACE_API_TOKEN": "<MAILPACE_API_TOKEN>",
"MAILPACE_ORGANIZATION_TOKEN": "<MAILPACE_ORGANIZATION_TOKEN>",
"MAILPACE_ALLOWED_RECIPIENTS": "<MAILPACE_ALLOWED_RECIPIENTS>",
"MAILPACE_REQUEST_TIMEOUT_MS": "<MAILPACE_REQUEST_TIMEOUT_MS>",
"MAILPACE_MAX_RETRIES": "<MAILPACE_MAX_RETRIES>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MAILPACE_API_TOKENOptional, secret | Domain API token for sending email and domain-scoped status lookups. |
MAILPACE_ORGANIZATION_TOKENOptional, secret | Organization API token for domain and domain API token management. |
MAILPACE_ALLOWED_RECIPIENTSOptional | Optional comma-separated recipient allowlist of exact addresses or @domain rules. |
MAILPACE_REQUEST_TIMEOUT_MSOptional | Optional per-request timeout in milliseconds. Defaults to 30000. |
MAILPACE_MAX_RETRIESOptional | Optional retry count for idempotent requests and 429 responses. Defaults to 2. |
Details
| Package | @mailpace/[email protected] (NPM, stdio) |
| First published | 10 Nov 2026 |
| Last updated | 10 Nov 2026 |
| Registry name | com.mailpace/mailpace-mcp |
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