# Julio M Cruz

> Senior software engineer, 25 years of production systems: six under a Top Secret clearance at the U.S. Small Business Administration and Department of State, enterprise before that, and AI-agent infrastructure today (founder of PerkOS). Virginia, US.

This is a personal site. There is one page and one action: read the profile, send a message.

## Read

- [Profile in Markdown](https://www.juliomcruz.xyz/index.md): the whole page, same facts as the HTML.
- [Resume (PDF)](https://www.juliomcruz.xyz/JulioMCruz-Resume.pdf): one page, current.

## Ask

- [A2A agent card](https://www.juliomcruz.xyz/.well-known/agent-card.json): a profile agent that answers questions about Julio from the published profile. JSON-RPC `message/send` at `https://www.juliomcruz.xyz/api/a2a`, no authentication.
- [MCP server card](https://www.juliomcruz.xyz/.well-known/mcp/server-card.json): Streamable HTTP at `https://www.juliomcruz.xyz/mcp` with two tools, `read_profile` and `send_message`.

## Act

- [OpenAPI](https://www.juliomcruz.xyz/openapi.json): `POST /contact` sends Julio an email. No authentication, one message per request.
- [Agent skills](https://www.juliomcruz.xyz/.well-known/agent-skills/index.json): `read-profile` and `contact-julio`, each a SKILL.md with a digest.
- [API catalog](https://www.juliomcruz.xyz/.well-known/api-catalog): RFC 9727 linkset.
- [auth.md](https://www.juliomcruz.xyz/auth.md): anonymous access, no registration.

## Tip

- [Buy me a coffee](https://buyacoffee.perkos.xyz/pay?to=0xc2564e41b7f5cb66d2d99466450cfebce9e8228f&name=Julio%20M%20Cruz): USDC over x402, settled by the PerkOS facilitator.

## Elsewhere

- GitHub: https://github.com/JulioMCruz
- LinkedIn: https://www.linkedin.com/in/juliomcruz/
- PerkOS: https://perkos.xyz