Machine Learning Intermediate
textGrain Watermark: Build and Break One in Python
Build a toy keyed text watermark like OpenAI's textGrain, then measure how edits break it.
12 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.
Machine Learning 
Tutorials Intermediate
OpenAI Decisions API: Calibrate Thresholds on Labeled Data
Use /v1/decisions as a $0.10 guardrail, then sweep thresholds and escalate only the unsure band.
11 min read·Kodetra Technologies
Today
Tutorials Intermediate
EmbeddingGemma 2: Build Text and Image Search in Python
Run Google's new open multimodal embedder locally and search text, images and video with one index.
10 min read·Kodetra Technologies
Today
Tutorials Intermediate
Nano Banana 2.1: Product Shots With Edit Chains in Python
Half-price image gen: build a hero-plus-variants pipeline with a budget guard.
8 min read·Kodetra Technologies
Yesterday
Tutorials Intermediate
Haiku 5.5 Triage: Measure Effort, Then Route by Cost
Benchmark Haiku 5.5 effort levels on your own tickets, then route cheap-first.
10 min read·Kodetra Technologies
2d ago
Tutorials Intermediate
OpenAI Dots: Rebuild Its Custom Rules as a Python Gate
OpenAI dots have no API yet. Build their allow/ask/hand-off rules in Python.
13 min read·Kodetra Technologies
2d ago
Tutorials Intermediate
Reflection Beam: Get Agent-Ready Before the Weights Drop
Build an effort-routing tool-loop client for Beam's OpenAI-compatible API and size the self-host bill.
8 min read·Kodetra Technologies
3d ago
Tutorials Intermediate
Bedrock Managed Agents: OpenAI Agents Inside Your AWS
Call OpenAI's agent loop from AWS with SigV4 in Python: create a session, send a turn, read items.
9 min read·Kodetra Technologies
3d ago
Tutorials Intermediate
Clef Decision Models: Route Support Tickets in Python
Cloudflare's open Clef models return typed probabilities, not text. Build a cheap cascade router.
12 min read·Kodetra Technologies
3d ago
Tutorials Intermediate
Claude Code Mods: Build a Fail-Closed Bash Guard in JS
Write a Claude Code mod that blocks, asks, and logs risky shell commands, then test it.
16 min read·Kodetra Technologies
4d ago
Tutorials Intermediate
MCP Events: Build a Signed-Webhook Server in Python
OpenAI shipped MCP Events at DevDay. Build, sign and harden a server that pushes events to agents.
13 min read·Kodetra Technologies
4d ago
Tutorials Intermediate
OpenAI Agents API: Run a Data Audit in a Cloud Sandbox
Run a durable Codex-powered agent in OpenAI's hosted sandbox with a custom tool and file outputs.
14 min read·Kodetra Technologies
8d agoPage 1 of 17