Tutorials Intermediate
Fable 5.2 Effort Sweep: Cheapest Level That Still Passes
Run your own tasks across Fable 5.2's five effort levels and pick the cheapest one that holds quality.
10 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 
Tutorials Intermediate
Claude Dreams API: Consolidate Agent Memory Overnight
Run Anthropic's new Dreams job on a memory store, then audit the output before agents trust it.
9 min read·Kodetra Technologies
5d ago
Tutorials Intermediate
Agensh: Build a Leaderless Agent Team in Python
Microsoft's 1,024-agent harness explained, plus a runnable claim-verify-merge board.
12 min read·Kodetra Technologies
19d ago
Tutorials Intermediate
Claude API 2026-10-21: Build a Migration Scanner in Python
Claude SDK 2.0 and API 2026-10-21 break old code. Scan for every 400 and TypeError first.
14 min read·Kodetra Technologies
23d ago
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
Oct 14
Tutorials Intermediate
Preserved Thinking: Build a Prefix-Drift Guard in Python
Claude now 400s agents that edit history. Catch the edit before the API does.
13 min read·Kodetra Technologies
Oct 13
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
Oct 13
Tutorials Intermediate
Agent Tool Broker: Identity, Audit Log, Kill Switch
Build an out-of-model tool broker in Python: per-agent identity, scoped policy, tamper-evident logs.
10 min read·Kodetra Technologies
Oct 12
Tutorials Intermediate
Blocked Is an Alert: Egress Gates for Claude Agents
Build a Python egress gate that stops the four workarounds Anthropic saw Claude use on live sites.
12 min read·Kodetra Technologies
Oct 12
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
Oct 7
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
Oct 5
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
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