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
11d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
Gemini Agent Hooks: Deny Risky Tool Calls in Python
Intercept your Gemini agent's sandbox tools with pre-execution hooks that allow, deny, and audit.
11 min read·Kodetra Technologies
12d ago
Tutorials Intermediate
Async Tool Calls: Stop Your Agent Blocking on Slow APIs
Use async tool calls and a wait tool to keep your agent reasoning while tools run.
12 min read·Kodetra Technologies
13d ago
Tutorials Advanced
Steer GPT-6 Astra Mid-Turn Without Losing Its Work
Redirect a running Astra agent over WebSocket with response.steer, keeping finished work.
13 min read·Kodetra Technologies
15d ago
Tutorials Intermediate
OpenViking: Agent Memory You Can ls and grep
Build browsable, self-evolving agent memory with OpenViking's viking:// filesystem in Python.
11 min read·Kodetra Technologies
18d ago
Machine Learning Intermediate
Unmask a Stealth LLM: Fingerprint Any Model API
Port the Ox Alpha probe kit to Python: normalized token counts, error DNA, ranked verdict.
14 min read·Kodetra Technologies
23d ago
Tutorials Intermediate
Qwen3.8-Flash-Next: Preserved Thinking, Cheaper Agents
Qwen keeps reasoning across every turn by default. Exploit it, or pay for it.
11 min read·Kodetra Technologies
24d ago
Tutorials Intermediate
GLM-5.3-Flash: Let Your Agent See the UI It Built
Build a render-screenshot-critique loop with GLM-5.3-Flash native vision, for pennies a run.
12 min read·Kodetra Technologies
24d ago
Tutorials Intermediate
Anthropic SDK v1.0: The Silent httpx2 Mock Trap
Upgrade to anthropic>=1 without your respx mocks and OTel traces going quietly blind.
13 min read·Kodetra Technologies
24d ago
Machine Learning Intermediate
Agent Lightning v1.0: RL Data From Any Agent, No GPU
Capture real RL training trajectories from any agent using Agent Lightning's CPU-only Gateway.
14 min read·Kodetra Technologies
25d ago
Tutorials Intermediate
Bridge MCP and A2A v1.0: One Agent, Two Protocols
Build a Python agent that speaks A2A v1.0 outward and calls MCP tools inward.
12 min read·Kodetra Technologies
26d ago
Tutorials Intermediate
A2A 1.0: Sign and Verify Agent Cards Before Delegating
Publish a JWS-signed A2A v1.0 Agent Card in Python and refuse any card you cannot verify.
11 min read·Kodetra Technologies
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