# Rizel Scarlett

> Head of Developer Relations at Entire. Writer, speaker, and open source contributor focused on AI coding agents, MCP, and agentic engineering.

Rizel Scarlett is Head of Developer Relations at Entire. She writes, speaks, streams, and ships open source about AI coding agents, the Model Context Protocol (MCP), and agentic engineering. Before Entire she worked in developer advocacy at Block (on the goose open source AI agent and TBD) and at GitHub (GitHub Copilot, GitHub Actions, and open source). She founded BlackRel, a community for Black Developer Relations professionals.

Body of work listed here: 127 writing, 26 talks/videos, 16 open source, 26 podcasts, 25 live streams, 21 essays.

## Topics

- Developer Relations and developer advocacy
- AI coding agents and agentic engineering
- Model Context Protocol (MCP) and MCP Apps
- goose, Block's open source AI agent
- Entire and agent session history
- GitHub Copilot and prompt engineering
- Open source contribution and maintenance
- Technical writing and conference speaking

## Profiles

- [Portfolio](https://blackgirlbytes.github.io/portfolio/)
- [GitHub](https://github.com/blackgirlbytes)
- [X](https://x.com/blackgirlbytes)
- [Instagram](https://instagram.com/blackgirlbytes)
- [dev.to](https://dev.to/blackgirlbytes)
- [goose blog author page](https://goose-docs.ai/blog/authors/rizel)
- [The Agent Whisperer newsletter (LinkedIn)](https://www.linkedin.com/newsletters/the-agent-whisperer-7456853816626483200/)

## Writing

- [Building a Baby Registry with My Voice](https://www.linkedin.com/pulse/building-baby-registry-my-voice-rizel-scarlett-f9h6c): The Agent Whisperer, 2026.
- [Welcome to Glass Town](https://lnkd.in/p/g84cj5RW): The Agent Whisperer, 2026.
- [Jev Might Save Your Relationship](https://www.linkedin.com/pulse/jev-might-save-your-relationship-rizel-scarlett-cbx2c): The Agent Whisperer, 2026.
- [The Entire CLI: How It Works And Where It's Headed](https://entire.io/blog/the-entire-cli-how-it-works-and-where-its-headed): Entire blog.
- [5 Tips for Building MCP Apps That Work](https://goose-docs.ai/blog/2026/01/30/5-tips-building-mcp-apps/): Block · goose blog, 2026.

## Talks/videos

- [How to Enable Entire in Your Repo](https://www.youtube.com/watch?v=oCtREIM95Rk): Videos.
- [How to Create Your First Checkpoint | Entire 101, Ep. 2](https://www.youtube.com/watch?v=ehWDtXYFZ2Y): Videos.
- [Bring Your Repos to Entire | Entire 101, Ep. 4](https://www.youtube.com/watch?v=-l0axVoGh_w): Videos.
- [How to Vibe Code Responsibly with a Little Help from MCPs](https://www.youtube.com/watch?v=PvdptUZ3XeU): Conference talks & courses.
- [Escaping the Curse of Outdated Docs](https://www.youtube.com/watch?v=moWFvZyd1rw): SquiggleConf, 2025.

## Open source

- [Fix MCP elicitation deadlock and improve UX](https://github.com/block/goose/pull/6650): block/goose, PR #6650. Debugged and resolved a deadlock in MCP elicitation handling, improving reliability for agent–user interactions.
- [Add MessageContent::Image support for Google provider](https://github.com/block/goose/pull/6986): block/goose, PR #6986. Extended the Google provider to handle image content in user messages, enabling multimodal workflows.
- [Enable MCP UI to send prompt messages on element click](https://github.com/block/goose/pull/6207): block/goose, PR #6207. Added interactive prompt triggering from MCP UI elements, improving the developer experience of MCP apps.
- [Fix tool filtering in Ollama streaming for chat mode](https://github.com/block/goose/pull/6118): block/goose, PR #6118. Resolved a tool-filtering bug when Ollama chat mode is enabled, ensuring correct tool availability.
- [Add task completion notification for desktop app](https://github.com/block/goose/pull/6340): block/goose, PR #6340. Implemented user-facing notifications for task completion in the Goose Desktop UI.

## Podcasts

- [GitHub Copilot](https://podrocket.logrocket.com/github-copilot): PodRocket.
- [GitHub Actions](https://shoptalkshow.com/521/): ShopTalk Show.
- [Level up with Open Source](https://www.youtube.com/watch?v=_KpYKi83Frk): Secret Sauce.
- [Learn to Advocate for Yourself](https://scrimba.com/podcast/learn-to-advocate-for-yourself-with-github-developer-advocate-rizel-scarlett/): Scrimba.
- [DevRel Deep Dive: Measuring Impact & Where Your Devs Should Be](https://www.youtube.com/watch?v=JFpY4dTvCPc): Stoplight, 2022.

## Live streams

- [Run a Ralph Wiggum Loop with goose](https://www.youtube.com/watch?v=BSLreyGwgWo): Block.
- [Intro to beads with goose](https://www.youtube.com/watch?v=Dsbd9D7Leyo): Block.
- [Welcome to goosetown](https://www.youtube.com/watch?v=H2hJjNmvEEA): Block.
- [Building the Social Internet with Bluesky's AT Protocol](https://www.youtube.com/watch?v=D5WVK7KfTAk): Block.
- [The Web Components Framework](https://www.youtube.com/live/rD07m-uAGaE): GitHub, with Zach Leatherman.

## Essays

- [How to Lead DevRel in the AI Boom: Stop Playing It Safe](https://www.linkedin.com/pulse/how-lead-devrel-ai-boom-stop-playing-safe-rizel-scarlett-lnppc): The Agent Whisperer.
- [Developer Relations Is an All-Company Effort](https://dev.to/blackgirlbytes/developer-relations-is-an-all-company-effort-4onm): dev.to.
- [How to Learn in Public](https://dev.to/blackgirlbytes/how-to-learn-in-public-1coh): dev.to.
- [Should We Hire Junior Developer Advocates?](https://dev.to/blackgirlbytes/should-we-hire-junior-developer-advocates-13m2): dev.to.
- [The Hard Parts of Developer Advocacy for Me](https://dev.to/blackgirlbytes/the-hard-parts-of-developer-advocacy-for-me-530h): dev.to.

## Optional

- [Full list of all work](https://blackgirlbytes.github.io/portfolio/llms-full.txt): every article, talk, video, podcast, live stream, and open source contribution.