Tutorials Intermediate
Script Vercel's fx Agent: Headless Runs in CI
Drive Vercel Labs' fx coding agent from scripts with fx ask --json, hard limits, and CI safety.
15 min read·Kodetra Technologies
5d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Machine Learning Advanced
Detect AI Text: Build a SynthID Watermark Scorer
Score any text for Claude-style SynthID watermarks in Python, with real measured g-values.
12 min read·Kodetra Technologies
5d ago
Tutorials Intermediate
Cloudflare Kitesurf: Cheap Page Reads for AI Agents
Wire Cloudflare's agent-first browser into a Python LLM tool loop, with a Chromium fallback.
1 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Migrate to Gemini 3.7 Flash: The minimal Thinking Trap
Preflight your configs for gemini-3.7-flash: 5 breaking changes, a validator, real cost math.
12 min read·Kodetra Technologies
6d ago
Tutorials Intermediate
Grok 4.6 Agents: Dodge the 200K Price Cliff
Keep long-running Grok 4.6 agents cheap: cache keys, token budgets, and the 200K cliff.
10 min read·Kodetra Technologies
11d ago
Tutorials Intermediate
V4-Pro 0813 Just Went GA: A Multi-Step DeepSeek Agent
Build a tool-using DeepSeek V4-Pro agent with effort escalation, on the day it hit GA.
9 min read·Kodetra Technologies
12d ago
Tutorials Intermediate
Drop-In Claude Swap: DeepSeek via the Anthropic SDK
Run your Claude Messages API code on DeepSeek V4-Pro by changing one base URL.
9 min read·Kodetra Technologies
15d ago
Tutorials Intermediate
Guard Your LLM App With Shieldstral in Python
Run Mistral's 3B Shieldstral as a policy-adaptive moderation sidecar on one 16GB GPU.
10 min read·Kodetra Technologies
16d ago
Tutorials Intermediate
DeepSeek V4-Flash KV Cache: Cut Input Costs 50x
Structure prompts so DeepSeek's disk cache hits, and pay ~50x less on repeated input tokens.
9 min read·Kodetra Technologies
20d ago
Tutorials Intermediate
DeepSeek V4-Flash: Fix the reasoning_content 400 Trap
Build a thinking-mode tool-calling agent on DeepSeek V4-Flash-0731 without the 400 error.
10 min read·Kodetra Technologies
21d ago
Tutorials Intermediate
DeepSeek V4-Flash Tool Loop: A Coding Agent for Cents
Build an autonomous file-editing coding agent on DeepSeek V4-Flash's tool-calling API for pennies.
9 min read·Kodetra Technologies
21d ago
Tutorials Intermediate
Auto-Route Claude Refusals by Category on Opus 5
Auto-recover from Claude safety refusals on Opus 5 with one line of code: fallbacks='default'.
8 min read·Kodetra Technologies
27d agoPage 1 of 6