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
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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
Clef Decision Models: Route Support Tickets in Python
Cloudflare's open Clef models return typed probabilities, not text. Build a cheap cascade router.
12 min read·Kodetra Technologies
Today
Tutorials Intermediate
Claude Code Mods: Build a Fail-Closed Bash Guard in JS
Write a Claude Code mod that blocks, asks, and logs risky shell commands, then test it.
16 min read·Kodetra Technologies
Yesterday
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
Claude 950-Agent Swarm: Build a Funnel in Python
Rebuild the 21-hour enzyme-hunt pattern: cheap triage, deep read, budget cap, resumable.
11 min read·Kodetra Technologies
7d ago
Tutorials Intermediate
Sonnet 5.5 Drops tool_choice: Build a Strict Tool Router
Forced tool use now 400s on Claude Sonnet 5.5. Replace it with strict tools and a retry guard.
9 min read·Kodetra Technologies
8d agoPage 1 of 17