# Alphorn MCP server

> Allows AI agents to send notifications via Slack, Telegram, email, SMS, or push through an Alphorn webhook.

- Repository: https://github.com/alphorn-dev/mcp
- Page: https://hostedmcp.org/servers/alphorn-dev/mcp
- Transport: stdio
- Stars: 0
- License: AGPL-3.0
- Latest version: 0.1.1

## Install

### Claude Code

```sh
claude mcp add --env 'ALPHORN_WEBHOOK_URL=<YOUR_ALPHORN_WEBHOOK_URL>' --env 'ALPHORN_API_KEY=<YOUR_ALPHORN_API_KEY>' mcp -- npx -y @alphorn/mcp
```

### Cursor (`~/.cursor/mcp.json`)

```json
{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alphorn/mcp"
      ],
      "env": {
        "ALPHORN_WEBHOOK_URL": "<YOUR_ALPHORN_WEBHOOK_URL>",
        "ALPHORN_API_KEY": "<YOUR_ALPHORN_API_KEY>"
      }
    }
  }
}
```

### VS Code (`.vscode/mcp.json`)

```json
{
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@alphorn/mcp"
      ],
      "env": {
        "ALPHORN_WEBHOOK_URL": "<YOUR_ALPHORN_WEBHOOK_URL>",
        "ALPHORN_API_KEY": "<YOUR_ALPHORN_API_KEY>"
      }
    }
  }
}
```

### VS Code CLI

```sh
code --add-mcp '{"name":"mcp","type":"stdio","command":"npx","args":["-y","@alphorn/mcp"],"env":{"ALPHORN_WEBHOOK_URL":"<YOUR_ALPHORN_WEBHOOK_URL>","ALPHORN_API_KEY":"<YOUR_ALPHORN_API_KEY>"}}'
```

### Claude Desktop (`claude_desktop_config.json`)

```json
{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alphorn/mcp"
      ],
      "env": {
        "ALPHORN_WEBHOOK_URL": "<YOUR_ALPHORN_WEBHOOK_URL>",
        "ALPHORN_API_KEY": "<YOUR_ALPHORN_API_KEY>"
      }
    }
  }
}
```

### Codex

```sh
codex mcp add mcp --env 'ALPHORN_WEBHOOK_URL=<YOUR_ALPHORN_WEBHOOK_URL>' --env 'ALPHORN_API_KEY=<YOUR_ALPHORN_API_KEY>' -- npx -y @alphorn/mcp
```

### Codex config.toml (`~/.codex/config.toml`)

```toml
[mcp_servers.mcp]
command = "npx"
args = ["-y", "@alphorn/mcp"]

[mcp_servers.mcp.env]
ALPHORN_WEBHOOK_URL = "<YOUR_ALPHORN_WEBHOOK_URL>"
ALPHORN_API_KEY = "<YOUR_ALPHORN_API_KEY>"
```

### Gemini CLI

```sh
gemini mcp add -s user -e 'ALPHORN_WEBHOOK_URL=<YOUR_ALPHORN_WEBHOOK_URL>' -e 'ALPHORN_API_KEY=<YOUR_ALPHORN_API_KEY>' mcp npx -- -y @alphorn/mcp
```

### Gemini settings.json (`~/.gemini/settings.json`)

```json
{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alphorn/mcp"
      ],
      "env": {
        "ALPHORN_WEBHOOK_URL": "<YOUR_ALPHORN_WEBHOOK_URL>",
        "ALPHORN_API_KEY": "<YOUR_ALPHORN_API_KEY>"
      }
    }
  }
}
```

## Environment variables

| Name | Required | Secret | Description |
|---|---|---|---|
| `ALPHORN_WEBHOOK_URL` | yes | yes | Webhook Endpoint URL, e.g. https://app.alphorn.dev/n/V1StGXR8_Z5jdHi6B-myT |
| `ALPHORN_API_KEY` | no | yes | Webhook API key (alp_...), if the webhook requires one |

## Tools (4)

- `message`
- `title`
- `priority`
- `tags`

## FAQ

### What channels can I use to receive notifications?

You can receive notifications on Slack, Telegram, Discord, email, SMS, push, and more, depending on your Alphorn configuration.