# MailStream

> MailStream — app-mailstream-mailstream. Use this tool when you need to automate and manage physical mail campaigns, sending postcards and letters to targeted lists. MailStream solves problems related to manual mail processing, list management, and campaign tracking, providing a streamlined interface for inputting recipient lists and campaign details, and outputting mailed materials. Ideal for use in marketing, outreach, and communication initiatives requiring physical mail distribution.

Canonical page: https://skillsregistry.net/skills/app-mailstream-mailstream  
JSON: https://api.skillsregistry.net/v1/skills/app-mailstream-mailstream

## Description

The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-02

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/app.mailstream%2Fmailstream)

## Use it

MCP endpoint published by the skill: `https://my.mailstream.app/mcp`

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": "app-mailstream-mailstream"
    }
  }
}
```

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