Tutorials Intermediate
GitSpawn: Scan Untrusted Repos Before Your AI Agent Does
A repo's .git/config can run code the moment a coding agent calls git. Build a preflight scanner.
11 min read·Kodetra Technologies
8d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
Late-Interaction Retrieval With Perplexity's New Embeddings
Build a ColBERT-style MaxSim search over text and images with pplx-embed-v2-late, verified code included.
10 min read·Kodetra Technologies
9d 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
17d ago
Tutorials Intermediate
Codex Security CLI: Gate PRs on High Severity
Scan a PR diff with OpenAI's Codex Security, cap the spend, and fail CI on high-severity bugs.
13 min read·Kodetra Technologies
22d ago
Tutorials Intermediate
Stop Claude Code From Deleting Your Files
A Claude Code agent deleted 48,000 files in 103 seconds. Build the setup that stops it.
10 min read·Kodetra Technologies
24d ago
Tutorials Intermediate
Claude Code Projects: Retire an API Across 3 Repos
Set up Claude Code's new Projects beta to run coordinated, parallel AI coding threads across repos.
11 min read·Kodetra Technologies
26d ago
Tutorials Intermediate
Opus 5.5 Upgrade: Fix 4 Breaking Changes Before They 400
Opus 5.5 is 20% cheaper, but old thinking, tool_choice and computer-use code now fails. Fix it.
15 min read·Kodetra Technologies
29d ago
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
Sep 8
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
Aug 20
Tutorials Intermediate
Build a Self-Verifying Agent With Grok 4.6 in Python
Grok 4.6 self-verifies during long agent runs. Build a Python coding agent that checks its own work.
9 min read·Kodetra Technologies
Aug 13
Tutorials Intermediate
Muse Code: Async Agents That Survive a Crash
Install Meta's Muse Code, run async agents, and recover long jobs from its crash-safe log.
10 min read·Kodetra Technologies
Aug 13
Tutorials Intermediate
Claude Code Subagents: Build a Parallel Review Fleet
Define custom .claude/agents specialists and fan them out in parallel to review code.
11 min read·Kodetra Technologies
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