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Blog — 20 notes · page 1 of 3

Notes from the build.

Problems I've hit, hurdles I've solved — written down so you don't have to hit them too.

08 Aug 2026·33 min readHighLevelGoHighLeveln8n

HighLevel V1 API Is End of Support: How I Migrate n8n, Make, and Custom Integrations to V2 Without Breaking Client Automations

A production migration playbook for moving HighLevel V1 integrations to V2 with scoped authentication, tenant-safe token storage, webhook verification, contract tests, phased cutover, and rollback.

03 Aug 2026·33 min readn8nself-hostingDocker

n8n 3.0 Is Coming: A Production Migration Playbook for Self-Hosted Instances

How to prepare a self-hosted n8n estate for version 3.0, including Docker migration, legacy node discovery, staging, contract tests, queue mode, canary rollout, and rollback.

29 Jul 2026·37 min readRetell AIvoice agentsAPI migration

Retell AI's 2026 API Deprecations: How to Migrate Live-Call State, Routing, and Agent Versions Without Breaking Voice Ops

A production migration guide for Retell AI deprecations affecting live-call updates, agent listing and publishing, multilingual agents, phone routing, conversation flows, and webhook-driven voice operations.

24 Jul 2026·31 min readproduction-ready AI agentAI agent architectureagentic workflow

How to Build a Production-Ready AI Agent in 2026: Architecture, Memory, Tools, Guardrails, and Operations

A senior engineer’s guide to designing, building, securing, evaluating, and operating production AI agents with tools, memory, approvals, observability, and cost controls.

24 Jul 2026·38 min readZapierAI by ZapierAI agents

Zapier Agents to AI by Zapier: How to Migrate Without Duplicate Actions, Runaway Tasks, or Silent Behavior Changes

A production migration playbook for moving Zapier Agents into AI by Zapier, validating tool behavior, controlling task usage, replacing unsupported patterns, and cutting over without duplicate writes.

19 Jul 2026·26 min readbest AI coding agentClaude Code vs CursorGitHub Copilot vs Codex

Claude Code vs Cursor vs GitHub Copilot vs OpenAI Codex: A Senior Developer’s Guide to Choosing an AI Coding Agent in 2026

A practical senior-engineer comparison of Claude Code, Cursor, GitHub Copilot, and OpenAI Codex across architecture, autonomy, context, testing, security, code review, team workflows, and cost.

19 Jul 2026·35 min readShopifyOAuthpublic apps

Shopify's Expiring Offline Tokens: A Concurrency-Safe Migration for Public Apps Before January 1, 2027

A production migration guide for Shopify public apps moving from non-expiring to expiring offline tokens, with Postgres locking, atomic rotation, retry recovery, background jobs, and staged rollout.

14 Jul 2026·25 min readModel Context Protocol tutorialMCP server TypeScriptbuild MCP server

Model Context Protocol Explained: Build a Secure MCP Server With TypeScript

Learn MCP architecture, tools, resources, prompts, transports, authorization, security, testing, and production deployment by building a secure TypeScript MCP server.