# PostStack MCP Server

> Use this tool when you need to automate email management tasks, such as sending transactional emails or handling inbound email threads, and integrate with a range of curated tools for deliverability checks and contact management. The PostStack MCP Server takes in API requests and outputs managed email interactions, providing a streamlined interface for AI assistants to interact with the PostStack email API. Ideal for use cases requiring scalable and reliable email management, such as customer support or marketing automation.

Canonical page: https://skillsregistry.net/skills/getpoststack-mcp  
JSON: https://api.skillsregistry.net/v1/skills/getpoststack-mcp

## Description

An MCP server for the PostStack email API that enables AI assistants to send transactional emails, manage contacts, handle inbound email threads, and perform deliverability checks through 84 curated tools.

## Trust

- **Trust score (0–1):** 0.91
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/etyyku942s)
- **Repository:** <https://github.com/getpoststack/mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "getpoststack-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/getpoststack-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/getpoststack-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt