Goposta

goposta2stars

An MCP server that exposes the Posta email API as tools for AI assistants

1# Goposta

README.mdMCP server

Transport: stdio
Status: Local

Power your agent

Add this server

Install from the publisher. Not a PlugMCP endpoint.

Run on PlugMCP

Host a copy with our keys and logs.

No packaged release in the registry yet. Follow the repository README.

RepositoryPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
License: Apache-2.0
Last checked: 2026-10-28

Stars: 2
Tools: —
Uptime: —

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

How do I install Goposta?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Goposta need an API key?

No required environment variable is listed on this record.

What transport does Goposta use?

Goposta runs locally over stdio.

When was Goposta last checked?

Last checked 2026-10-28. An MCP server that exposes the Posta email API as tools for AI assistants

From the publisher

Documentation

Posta MCP Server

An MCP (Model Context Protocol) server that exposes the Posta email API as tools for AI assistants.

Setup

go build -o posta-mcp .

Configuration

The server requires two environment variables:

Variable	Description
`POSTA_BASE_URL`	Your Posta instance URL (e.g. `https://posta.example.com`)
`POSTA_API_KEY`	API key generated from your Posta workspace

Usage

{
  "mcpServers": {
    "posta": {
      "command": "/path/to/posta-mcp",
      "env": {
        "POSTA_BASE_URL": "https://posta.example.com",
        "POSTA_API_KEY": "your-api-key"
      }
    }
  }
}

You can also run it with go run during development:

{
  "mcpServers": {
    "posta": {
      "command": "go",
      "args": ["run", "/path/to/mcp-server"],
      "env": {
        "POSTA_BASE_URL": "https://posta.example.com",
        "POSTA_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

send_email

Send a single email.

Parameters:

Name	Type	Required	Description
`from`	string	yes	Sender email address
`to`	string[]	yes	Recipient email addresses
`subject`	string	yes	Email subject line
`html`	string	no	HTML body
`text`	string	no	Plain-text body
`headers`	object	no	Custom email headers
`list_unsubscribe_url`	string	no	List-Unsubscribe header URL
`list_unsubscribe_post`	boolean	no	Enable one-click unsubscribe
`send_at`	string	no	ISO 8601 datetime to schedule the email

send_template_email

Send an email using a pre-defined template.

Parameters:

Name	Type	Required	Description
`template_id`	number	no	Template numeric ID (preferred)
`template`	string	no	Template name (fallback)
`language`	string	no	Template language variant
`from`	string	no	Sender email address
`to`	string[]	yes	Recipient email addresses
`template_data`	object	no	Key-value data rendered into the template

send_batch

Send batch emails to multiple recipients using a template.

Parameters:

Name	Type	Required	Description
`template_id`	number	no	Template numeric ID (preferred)
`template`	string	no	Template name (fallback)
`language`	string	no	Default language for all recipients
`from`	string	no	Sender email address
`recipients`	array	yes	List of `{ email, language?, template_data? }` objects

get_email_status

Get the delivery status of a sent email.

Parameters:

Name	Type	Required	Description
`email_id`	string	yes	The email UUID

Returns: status, error message (if any), retry count, timestamps.

retry_email

Retry sending a failed email. Only emails with status failed can be retried.

Parameters:

Name	Type	Required	Description
`email_id`	string	yes	The email UUID to retry

License

This project is licensed under the Apache License 2.0. See LICENSE for details.

Copyright

Goposta

goposta2stars

An MCP server that exposes the Posta email API as tools for AI assistants

Communication

Install Run on PlugMCP

GitHub

Run on PlugMCP

1# Goposta

README.mdMCP server

Transport: stdio
Status: Local

Power your agent

Add this server

Install from the publisher. Not a PlugMCP endpoint.

Run on PlugMCP

Host a copy with our keys and logs.

No packaged release in the registry yet. Follow the repository README.

RepositoryPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
License: Apache-2.0
Last checked: 2026-10-28

Stars: 2
Tools: —
Uptime: —

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

How do I install Goposta?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Goposta need an API key?

No required environment variable is listed on this record.

What transport does Goposta use?

Goposta runs locally over stdio.

When was Goposta last checked?

Last checked 2026-10-28. An MCP server that exposes the Posta email API as tools for AI assistants

From the publisher

Documentation

Posta MCP Server

An MCP (Model Context Protocol) server that exposes the Posta email API as tools for AI assistants.

Setup

go build -o posta-mcp .

Configuration

The server requires two environment variables:

Variable	Description
`POSTA_BASE_URL`	Your Posta instance URL (e.g. `https://posta.example.com`)
`POSTA_API_KEY`	API key generated from your Posta workspace

Usage

{
  "mcpServers": {
    "posta": {
      "command": "/path/to/posta-mcp",
      "env": {
        "POSTA_BASE_URL": "https://posta.example.com",
        "POSTA_API_KEY": "your-api-key"
      }
    }
  }
}

You can also run it with go run during development:

{
  "mcpServers": {
    "posta": {
      "command": "go",
      "args": ["run", "/path/to/mcp-server"],
      "env": {
        "POSTA_BASE_URL": "https://posta.example.com",
        "POSTA_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

send_email

Send a single email.

Parameters:

Name	Type	Required	Description
`from`	string	yes	Sender email address
`to`	string[]	yes	Recipient email addresses
`subject`	string	yes	Email subject line
`html`	string	no	HTML body
`text`	string	no	Plain-text body
`headers`	object	no	Custom email headers
`list_unsubscribe_url`	string	no	List-Unsubscribe header URL
`list_unsubscribe_post`	boolean	no	Enable one-click unsubscribe
`send_at`	string	no	ISO 8601 datetime to schedule the email

send_template_email

Send an email using a pre-defined template.

Parameters:

Name	Type	Required	Description
`template_id`	number	no	Template numeric ID (preferred)
`template`	string	no	Template name (fallback)
`language`	string	no	Template language variant
`from`	string	no	Sender email address
`to`	string[]	yes	Recipient email addresses
`template_data`	object	no	Key-value data rendered into the template

send_batch

Send batch emails to multiple recipients using a template.

Parameters:

Name	Type	Required	Description
`template_id`	number	no	Template numeric ID (preferred)
`template`	string	no	Template name (fallback)
`language`	string	no	Default language for all recipients
`from`	string	no	Sender email address
`recipients`	array	yes	List of `{ email, language?, template_data? }` objects

get_email_status

Get the delivery status of a sent email.

Parameters:

Name	Type	Required	Description
`email_id`	string	yes	The email UUID

Returns: status, error message (if any), retry count, timestamps.

retry_email

Retry sending a failed email. Only emails with status failed can be retried.

Parameters:

Name	Type	Required	Description
`email_id`	string	yes	The email UUID to retry

License

This project is licensed under the Apache License 2.0. See LICENSE for details.