# Johnny-Z13

> Open-source publisher. Listings imported from github.com/Johnny-Z13 — credited to the original author with their license.

- **Listings:** 1
- **Total installs:** 0
- **Profile:** https://agentstack.voostack.com/s/johnny-z13
- **Website:** https://github.com/Johnny-Z13

## Published listings

- [ProofSlip](https://agentstack.voostack.com/l/mcp-johnny-z13-proofslip) — MCP server · Free · security-reviewed — `agentstack add mcp-johnny-z13-proofslip`
  Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

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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>`.