Tutorials Intermediate
Claude Web Search Filtering: Cheaper Cited Agents in Python
Build cheap, cited research agents on Claude Sonnet 5 using the web search tool and dynamic filtering.
9 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 a Prompt-Injection Eval for Claude Sonnet 5 Agents
Sonnet 5 claims better hijack resistance. Here's how to measure it yourself.
10 min read·Kodetra Technologies
Yesterday
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
6d 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
7d 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
8d 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
8d 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
9d 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
9d 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
10d 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
10d ago
Tutorials Intermediate
GLM-5.2 Open Weights: Route Reasoning Effort by Task
Build a cost-aware GLM-5.2 agent that routes thinking effort per task and calls tools.
9 min read·Kodetra Technologies
14d ago
Tutorials Intermediate
Gemini Embedding 2: Multimodal RAG Over Your Images
Index and search images and text together with Gemini Embedding 2 File Search, no OCR.
9 min read·Kodetra Technologies
16d agoPage 1 of 4