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xbill

@xbill

Master of MCP and herding cats

New York

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Articles by xbill

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Aug 10

Three Clouds, Three Native Agents

What is this project trying to do? Three AI agents, each built with a different vendor's...

10 min readRead article

Aug 10

Three Clouds, Three Native Agents

What is this project trying to do? Three AI agents, each built with a different vendor's...

10 min readRead article

Aug 9

Self-hosting a lite agent backend on one TPU: Gemma 4 E2B + vLLM on a v5e-1

Self-hosting a lite agent backend on one TPU chip A single Google Cloud TPU v5e chip — 16...

21 min readRead article

Aug 9

Build a Dart ADK Agent and MCP Server

Build and deploy a small Dart service that combines an ADK agent, an MCP greeting tool, Shelf, SSE, and Cloud Run.

4 min readRead article

Aug 5

Serving Gemma 4 2B on a Single TPU v5e Chip with MCP and Antigravity CLI

This article is the v5e follow-on to the v6e-1 debugging guide. Same MCP tooling, same Antigravity...

17 min readRead article

Aug 2

MCP Development Updates with Rust and Claude Code

Leveraging coding agents and the underlying LLM to build Model Context Protocol (MCP) AI applications...

10 min readRead article

Jul 31

Poutine: the true food of the gods

50 fries, 13 curds and 11 patches of gravy, with no images, no SVG and no canvas — plus the three mistakes that taught me the most.

6 min readRead article

Jul 31

Gravy Boat — a landing page with a CSS poutine you can drown in!

This is a submission for Frontend Challenge: Comfort Food Edition, Perfect Landing: Comfort Food ...

5 min readRead article

Jul 31

Microsoft Foundry as the Master Cloud, Google ADK as the Client: Cross-Cloud A2A v1.0

This installment puts Microsoft Foundry in charge. Azure is the main cloud: it hosts the master...

12 min readRead article

Jul 31

Azure Foundry as Master, Bedrock as Remote: Cross Cloud A2A

A measured cross-cloud smoke test: Microsoft Foundry orchestrates MCP and calls an Amazon Bedrock AgentCore specialist over authenticated A2A.

4 min readRead article

Jul 31

Six Cross-Cloud A2A Paths, One Benchmark: How AWS, Azure, and GCP Agents Actually Work Together

Every directed edge between Bedrock AgentCore, Microsoft Foundry, and Google ADK, deployed and measured over A2A v1.0 — the numbers, the recurring failures, and what is still unmeasured.

20 min readRead article

Jul 31

Google ADK as the Master Agent, Calling Amazon Bedrock over A2A

This is the third run of the same cross-cloud currency benchmark, and the first with the arrow...

6 min readRead article