AWS2026-05-26
AWS MCP Server: agent access to your account, scoped by IAM
The AWS MCP Server is GA: one call_aws tool, 15,000+ AWS APIs, your IAM creds. The context keys and least-privilege policy that stop an agent going rogue.
12 minRead Breakdown
Every breakdown
in one place
The full Refactix library of AWS and AI engineering breakdowns, grounded in real production work.
AI2026-05-22
Claude MCP tunnels: keeping agents inside your network perimeter
How Claude MCP tunnels let Managed Agents reach private MCP servers without exposing them publicly. The architecture, the IAM model, and the deployment shape.
11 minRead Breakdown
AI2026-05-19
Claude Code /goal and agent view: what changed in v2.1.139
Claude Code's /goal command keeps Claude working until a completion condition holds. Agent view puts every background session on one screen. What changed.
10 minRead Breakdown
AI2026-05-12
Claude Code plugins: packaging integrations for distribution
Package commands, agents, skills, hooks and MCP servers into one Claude Code plugin teams install once. Structure, marketplace.json and what belongs inside.
13 minRead Breakdown
AI2026-05-02
Deep Agents async subagents: long-running work without the spinner
Deep Agents v0.5 async subagents return a task ID instead of blocking the supervisor. The Agent Protocol wiring, mid-task steering, and where it breaks.
13 minRead Breakdown
AWS2026-04-28
Lambda Managed Instances: when dedicated EC2 pays off
AWS Lambda Managed Instances pairs EC2 control with serverless ops. The pricing model, multi-concurrency, and when it beats Provisioned Concurrency.
10 minRead Breakdown
AI2026-04-24
Claude Code worktrees: parallel agents without stepping on each other
Run parallel Claude Code sessions with --worktree. Syntax, subagent isolation, the shared-state traps worktrees don't solve, and how to clean up.
11 minRead Breakdown
AI2026-04-22
Claude Code in CI/CD: headless patterns for real pipelines
Running Claude Code in CI/CD without the surprise bills. Headless flags, JSON output parsing, cost controls, and the failure modes nobody writes about.
12 minRead Breakdown
AI2026-04-17
How to use Claude Code subagents: parallel AI work without chaos
Claude Code subagents run parallel AI work without context chaos. Config, dispatch patterns, model choice, and the mistakes that waste tokens, with examples.
12 minRead Breakdown