Tutorials Intermediate
GitHub Copilot SDK: Build Custom Sub-Agents in Python
Embed Copilot's agent runtime and route work to scoped sub-agents, with runnable Python.
10 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
Build an LLM Spend Governor: Budget Caps in Python
A runnable Python governor that caps LLM spend per user and auto-downgrades models.
10 min read·Kodetra Technologies
Today
Tutorials Intermediate
LLM Failover in Python: Survive a Model Going Dark
Build a provider-agnostic LLM failover client in Python that survives outages and model removals.
9 min read·Kodetra Technologies
7d ago
Tutorials Intermediate
Claude Agent SDK: Lock Down Tools With Permission Hooks
Stop runaway tool calls and agent spawning using canUseTool, PreToolUse hooks and deny rules.
9 min read·Kodetra Technologies
17d ago
Tutorials Intermediate
Build a Realtime Voice Assistant With gpt-realtime-2
Stream audio in and out, add tools, approvals, and handoffs with gpt-realtime-2 in Python.
10 min read·Kodetra Technologies
21d ago
Tutorials Intermediate
Claude Opus 4.8 Effort Levels: A Hands-On Python Guide
Tune token spend on Opus 4.8 with the effort parameter. Runnable Python, real I/O, real numbers.
7 min read·Kodetra Technologies
28d ago
Tutorials Intermediate
GLM-4.7 in Python: Build a Cheap Coding Assistant
Use Zhipu's GLM-4.7 through the OpenAI SDK to build a tool-calling coding assistant for pennies.
9 min read·Kodetra Technologies
May 27
Tutorials Intermediate
Qwen 3.7 Max: Drop-In Anthropic SDK Swap in Python
Point the Anthropic SDK at Qwen 3.7 Max with one base-URL change: 1M context, thinking, caching.
8 min read·Kodetra Technologies
May 27
Tutorials Intermediate
OpenAI Agents SDK Guardrails: Block Bad Input Fast
Use input guardrails and tripwires to stop bad input before your costly OpenAI agent runs.
4 min read·Kodetra Technologies
May 22
Tutorials Intermediate
Claude Agent SDK: Custom Tools with In-Process MCP
Add custom Python tools to Claude agents with one decorator. No server. No HTTP. Just code.
4 min read·Kodetra Technologies
Apr 30
Tutorials Beginner
OpenAI Agents SDK Sandbox: Build Safer AI Agents
Learn to build safer autonomous AI agents using OpenAI Agents SDK's new sandbox harness.
2 min read·Kodetra Technologies
Apr 19