Tharindu Perera
Tharindu Perera builds and fixes AWS systems and puts AI agents to work in production. He writes Refactix to share what he learns doing it.
Connect on LinkedInArticles by Tharindu
14 articles, written between 2025-08-12 and 2026-05-26.
AWS · 2026-05-26
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.
AI · 2026-05-22
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.
AI · 2026-05-19
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.
AI · 2026-05-12
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.
AI · 2026-05-02
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.
AWS · 2026-04-28
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.
AI · 2026-04-24
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.
AI · 2026-04-22
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.
AI · 2026-04-17
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.