# Grenzfrei

> Open-source publisher. Listings imported from github.com/Grenzfrei — credited to the original author with their license.

- **Listings:** 1
- **Total installs:** 0
- **Profile:** https://agentstack.voostack.com/s/grenzfrei
- **Website:** https://github.com/Grenzfrei

## Published listings

- [Sprytools Mcp](https://agentstack.voostack.com/l/mcp-grenzfrei-sprytools-mcp) — MCP server · Free · security-reviewed — `agentstack add mcp-grenzfrei-sprytools-mcp`
  Hosted MCP server: 9 utility tools for AI agents (hashing, text stats, IBAN/email/DNS/currency checks, GEO audits) over streamable HTTP.

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Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add <slug>`.