Tutorials Intermediate
Semantic Caching for LLMs: Cut Your Token Bill in Python
Build a semantic cache that reuses answers for similar prompts and slashes LLM API costs.
10 min read·Kodetra Technologies
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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
Yesterday
Tutorials Intermediate
Stream Gemini Thinking: Build a Show-Your-Work CLI
Stream Gemini's thought summaries live, control reasoning effort, and track thinking-token cost.
8 min read·Kodetra Technologies
3d ago
Tutorials Intermediate
Gemini Computer Use: Automate a Browser in Python
Build a browser-control agent with Gemini 3.5 Flash's new computer_use tool and Playwright.
9 min read·Kodetra Technologies
4d ago
Tutorials Intermediate
Gemini Thought Summaries: Audit Deep Think Reasoning
Surface, stream, and log Gemini 2.5 Pro Deep Think's reasoning chain with thought summaries.
10 min read·Kodetra Technologies
4d ago
Tutorials Intermediate
Code Mode for MCP: Let Claude Write Code to Call Tools
Cut MCP agent context up to 99% by exposing tools as a code API the model calls in code.
9 min read·Kodetra Technologies
5d ago
Tutorials Intermediate
Progressive Skill Loading: 40+ Agent Skills, No Bloat
Build a skill-manifest registry so an AI agent wields dozens of skills without context bloat.
9 min read·Kodetra Technologies
5d ago
Tutorials Intermediate
Run Nemotron 3 Nano: Efficient Open Coding Agent
Build a frugal tool-calling coding agent on NVIDIA's open Nemotron 3 Nano via OpenRouter in Python.
10 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Pydantic AI: Type-Safe Agents You Can Unit Test
Build agents with typed deps, validated output, and offline tests using Pydantic AI.
9 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Agentjacking Defense: Firewall Your AI Agent Tools
Build a Python trust-boundary firewall that stops prompt-injection attacks on your AI coding agent.
10 min read·Kodetra Technologies
7d ago
Tutorials Intermediate
Nemotron 3 Ultra: Build a 550B Tool-Use Agent
Wire NVIDIA's open 550B MoE into a Python tool-calling loop for long-running agents.
10 min read·Kodetra Technologies
7d ago
Tutorials Intermediate
Claude Advisor Tool: Pair Haiku With Opus in Python
Let a cheap executor model consult a stronger advisor mid-task in one Messages API call.
11 min read·Kodetra Technologies
8d agoPage 1 of 5