# OpenRegister

> Use this tool when you need to access official German corporate registry data for business research, due diligence, or competitive analysis. It provides detailed company information, including historical data and financials, through a search function by name, register number, or legal form. The OpenRegister API integration enables AI assistants to retrieve company and shareholder data, requiring an API key for async HTTP requests.

Canonical page: https://skillsregistry.net/skills/syndicats-openregister  
JSON: https://api.skillsregistry.net/v1/skills/syndicats-openregister

## Description

This MCP server provides access to the German company register through the OpenRegister API, enabling AI assistants to search for companies by name, register number, legal form, and other criteria, retrieve detailed company information including historical data and financials, and access shareholder information for GmbH companies. Built using FastMCP with async HTTP requests via httpx, it requires an OpenRegister API key and integrates seamlessly with Claude Desktop through the standard MCP configuration. The implementation is valuable for business research, due diligence, competitive analysis, and any workflow requiring access to official German corporate registry data.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

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

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/syndicats-openregister)
- **Repository:** <https://github.com/syndicats/openregister-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": "syndicats-openregister"
    }
  }
}
```

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