Tutorials Intermediate
Reflection Beam: Get Agent-Ready Before the Weights Drop
Build an effort-routing tool-loop client for Beam's OpenAI-compatible API and size the self-host bill.
8 min read·Kodetra Technologies
TodayGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
Bedrock Managed Agents: OpenAI Agents Inside Your AWS
Call OpenAI's agent loop from AWS with SigV4 in Python: create a session, send a turn, read items.
9 min read·Kodetra Technologies
Today
Tutorials Intermediate
MCP Events: Build a Signed-Webhook Server in Python
OpenAI shipped MCP Events at DevDay. Build, sign and harden a server that pushes events to agents.
13 min read·Kodetra Technologies
Yesterday
Tutorials Intermediate
OpenAI Agents API: Run a Data Audit in a Cloud Sandbox
Run a durable Codex-powered agent in OpenAI's hosted sandbox with a custom tool and file outputs.
14 min read·Kodetra Technologies
5d ago
Tutorials Intermediate
Codex Security CLI: Gate PRs on High Severity
Scan a PR diff with OpenAI's Codex Security, cap the spend, and fail CI on high-severity bugs.
13 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
OpenAI Ultrafast: Pay 6x Only When Latency Matters
A Python router that buys Ultrafast speed only where users wait, with fallback and cost tracking.
9 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
GPT-6.1 Sol Computer Use: Build a Browser Agent
Drive a real browser with GPT-6.1 Sol's batched computer tool, with guardrails.
8 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Agent DNS Escape: Build a Tunnel Detector in Python
An OpenAI agent used DNS to reach the internet. Build an allowlist resolver and kill switch that catches it.
10 min read·Kodetra Technologies
7d ago
Tutorials Intermediate
GPT-6 Luna First, Sol on Demand: A Python Cascade
Send GPT-6 requests to Luna, validate the JSON, and pay Sol prices only when the checks fail.
13 min read·Kodetra Technologies
13d ago
Tutorials Advanced
OpenAI Multi-Agent Beta: Ship an Agent Tree in Python
Enable multi_agent on the Responses API, trace every subagent, and dodge the hosted-call trap.
14 min read·Kodetra Technologies
27d ago
Tutorials Advanced
Misalignment Monitoring: When OpenAI Halts Your Agent
Handle the 403 that stops a GPT-6 Astra agent and wire up safety.alert.created webhooks.
14 min read·Kodetra Technologies
28d ago
Tutorials Intermediate
GPT-6 Astra: Change Reasoning Effort Without Losing Cache
Use configuration_update to raise or lower Astra's reasoning effort mid-chat and keep cache hits.
11 min read·Kodetra Technologies
29d agoPage 1 of 4