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Blog — 20 notes · page 2 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.

14 Jul 2026·38 min readRetell AIGoHighLeveln8n

Retell AI and GoHighLevel in Production: Dynamic Variables, Transfers, CRM Sync, and Retry-Safe Webhooks

A hands-on architecture for connecting Retell AI voice agents to GoHighLevel through n8n, Supabase, and custom code without duplicate contacts, stale context, unsafe retries, or unreliable appointment writes.

09 Jul 2026·23 min readn8n AI automationn8n OpenAI workflown8n AI agent

How to Build a Production AI Automation With n8n, OpenAI, Supabase, and Human Approval

Build a reliable n8n AI automation with OpenAI, Supabase, tools, memory, human approval, retries, observability, security, and production deployment patterns.

09 Jul 2026·38 min readn8nqueue modeRedis

Scaling n8n Beyond One Container: Queue Mode, Redis, Postgres, Idempotency, and Burst Webhooks

A production architecture for scaling self-hosted n8n with queue mode, workers, Redis, Postgres, durable webhook ingress, idempotency, binary storage, backpressure, and tenant-aware load control.

04 Jul 2026·23 min readagentic RAGRAG tutorialretrieval augmented generation

RAG Is Not Dead: How to Build an Agentic RAG System With Hybrid Search, Reranking, Memory, and Evaluations

Learn how production RAG evolves into agentic retrieval with hybrid search, query planning, reranking, citations, memory, security, evaluation, and cost-aware orchestration.

04 Jul 2026·42 min readGoHighLevelHighLevel SaaSSaaS V1

HighLevel SaaS V1 vs V2 in 2026: The Architecture That Survives Custom Provisioning

A production architecture guide for choosing HighLevel SaaS V1 or V2, provisioning sub-accounts exactly once, controlling billing state, and adding n8n or Node.js where the native flow stops being enough.

29 Jun 2026·22 min readAI agent securityprompt injection preventionLLM security

How to Secure AI Agents Against Prompt Injection, Data Leakage, Tool Abuse, and Privilege Escalation

A practical security guide for AI agents covering threat modeling, prompt injection, tool permissions, MCP risks, data leakage, sandboxing, approvals, red teaming, and incident response.

29 Jun 2026·38 min readZapierMakewebhooks

When Zapier or Make Hit the Reliability Ceiling: Build a Durable Webhook Inbox

A production pattern for keeping Zapier or Make as the visible orchestration layer while moving webhook durability, deduplication, ordering, retries, and replay into Postgres or Supabase.

24 Jun 2026·24 min readLLM evaluationAI observabilityLLM monitoring

LLM Evaluations and Observability: How to Measure Whether Your AI Application Actually Works

Learn how to evaluate and monitor LLM applications with datasets, deterministic checks, human review, LLM judges, trajectory scoring, tracing, production metrics, and regression testing.