# mcp-server-pingen

> mcp-server-pingen — aiwerk-mcp-server-pingen. Use this tool when you need to automate sending physical letters, mass-mailing batches, or Swiss eBill invoices via the Pingen API. It solves problems related to streamlined mail processing and invoicing, providing a scalable solution for businesses. The tool accepts API requests as input and returns confirmation outputs, ideal for integrating into workflows that require secure and efficient mail services.

Canonical page: https://skillsregistry.net/skills/aiwerk-mcp-server-pingen  
JSON: https://api.skillsregistry.net/v1/skills/aiwerk-mcp-server-pingen

## Description

MCP server for Pingen — send physical letters, mass-mailing batches, and Swiss eBill invoices via the Pingen API. 19 tools, OAuth2 client_credentials, α-gate destructive-confirmation.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-21

## Source

- **Source listing:** [GitHub](https://github.com/AIWerk/mcp-server-pingen)

## 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": "aiwerk-mcp-server-pingen"
    }
  }
}
```

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