Articles for people who
ship the stack
Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: observability
Lineage Investigation Agents on Neo4j and LangGraph
Triage, traverse, profile, hypothesize, verify, and report—tenant-safe FEEDS_INTO walks with MLflow audit and Gradio ops UI.
3878 wordsRead articleHardening Agentic Graphs: State Contracts, Isolation, and HITL Gates
Production reliability for LangGraph: flat TypedDict state, single-purpose nodes, retry/error edges, human review, and observability.
1056 wordsRead articlePhlox-GW: Open-Source LLM Gateway with Budgets, Guardrails, and HA
Self-host an LLM gateway with chargebacks, rate limits, PII guardrails, audit logs, OpenAI and Anthropic endpoints, and Postgres-backed clustering.
2581 wordsRead articleAgentgateway for LLMs, MCP, and A2A: When a Unified AI Data Plane Helps
How Agentgateway differs from LLM-only proxies—MCP discovery, A2A tracing, routing, security, OpenTelemetry, and cost governance—and when to adopt or skip it.
1605 wordsRead articleFinding Outputs Nobody Reads: A Consumer Audit for Automated Systems
Learn why unconsumed outputs stay invisible in automated and agent pipelines, how to audit for them without killing healthy parts, and the one field that prevents them.
1435 wordsRead articleTesting AI Agents by Outcome: Verifying State Instead of Trusting Replies
Learn to evaluate tool-using AI agents by checking final state, action traces and truthfulness, including timeouts, no-action cases and repeated-trial reliability.
2131 wordsRead articleDiagnosing Slow Node.js APIs: Measure Latency Before You Optimize
Learn to break a slow Node.js request into event-loop delay, pool wait, query time and downstream calls so you fix the stage that actually costs you time.
1841 wordsRead articleWhy Production AI Agents Fail Quietly and How to Catch Wrong Answers
A case study of twelve production AI agents shows why plausible wrong output is the real failure mode, and which design rules kept the survivors useful.
1704 wordsRead articleFrom Working Script to Production Service: What Node.js Demands
Learn how the event loop, blocking work, timeouts, concurrency, observability and database access shape a Node.js backend that holds up in production.
2718 wordsRead article
About these articles
Request a 24h estimate
Need the same stack in a production operator layer? Send the brief — estimate within 24 hours.