Kubai Kevin

Agentic systems: architecture principles that hold

How to enforce deadlines, token budgets, idempotency keys and bounded fan-out around multi-model agent graphs, with Python code and tests.

15 min read · 23 October 2026

SLOs for agentic features: beyond latency

Define agent SLOs on task success, tool-call validity and clean termination, instrument them with OpenTelemetry, and alert on error-budget burn.

15 min read · 6 October 2026

Agentic workflows: surviving network partitions

How to keep agentic workflows correct when networks drop: idempotency keys, an outbox with stable action IDs, and reconciliation on reconnect.

18 min read · 1 October 2026

Agentic AI cost control: 7 tools, one backfire

How to control agentic AI spend: ground-truth billing data first, attribution second, and why LLM optimizers over billing data backfire.

15 min read · 19 September 2026

Platform Teams: Agentic World Struggle

Platform teams must adapt identity, tooling, and observability for AI agents that call APIs instead of using dashboards, with concrete patterns and failure modes.

13 min read · 12 September 2026

Agentic FinOps is a trap

Standard FinOps tracks per-call cost and latency. Agents with retries, growing state and human hand-offs leak cost that never shows on the dashboard.

12 min read · 22 August 2026

Agent SLOs: measure what agents actually do

Latency and 5xx SLOs miss stuck loops. Define outcome SLOs on completion rate, with schema, PromQL, and failure handling.

13 min read · 11 August 2026

Hire for agents, not autocomplete

Constraint-aware hiring tests whether engineers can ship when networks are slow, gateways fail, and CI times out. Includes code, failure modes, and a 30-minute action.

13 min read · 2 August 2026

Track AI agent costs in fractal workflows

Standard FinOps dashboards miss sub-agent, idle, and retry costs. A dependency-graph cost model shows where agent spend actually lands.

12 min read · 27 July 2026

Stabilize multi-model agent routers: six production rules

Six rules for multi-model agent routers: bounded concurrency, idempotency keys, timeouts, observability, and how to measure each one yourself.

15 min read · 15 July 2026

PR checklists are dead: AI agents do reviews now

How to split PR review into narrow automated agents that run checks, propose fixes, and escalate only the edge cases to humans.

12 min read · 14 June 2026