# AlterPhone MCP

> AlterPhone MCP — app-alterphone-phone-calls. Use this tool when you need to automate phone calls or conversations, such as customer service, surveys, or appointment reminders, and want to billed per minute for the service. It takes input in the form of call scripts and phone numbers, and outputs spoken conversations with the called party. Ideal for use cases where human-like phone interactions are required, such as sales, support, or outreach.

Canonical page: https://skillsregistry.net/skills/app-alterphone-phone-calls  
JSON: https://api.skillsregistry.net/v1/skills/app-alterphone-phone-calls

## Description

Place real phone calls and hold spoken conversations on a user's behalf, billed per minute.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Updated:** 2026-09-28

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/app.alterphone%2Fphone-calls)
- **Repository:** <https://github.com/marius-bardan/alterphone-mcp>

## Use it

MCP endpoint published by the skill: `https://mcp.alterphone.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-alterphone-phone-calls"
    }
  }
}
```

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

---
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