Machine Learning Intermediate
Framing Gap Eval: Catch Covert Underperformance in LLMs
Build a paired-framing eval with hidden tests to catch quiet sandbagging, per OpenAI's Astra report.
12 min read·Kodetra Technologies
2d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Machine Learning 
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
13d ago
Tutorials Intermediate
TanStack AI 1.0: Approval-Gated Agents in Plain Node
TanStack AI hit 1.0. Build an agent whose refund tool pauses for approval, edits and denials.
12 min read·Kodetra Technologies
17d 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
17d ago
Tutorials Intermediate
Agent Skills Go Open: Write One That Runs Anywhere
Anthropic gave Agent Skills to the Agentic AI Foundation. Build, lint and load a portable skill.
9 min read·Kodetra Technologies
18d 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
26d ago
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
27d ago
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
27d ago
Tutorials Intermediate
Muse Wonder 1.0: Build a Cited Research Agent in Python
Meta's new Muse Wonder API: web-search citations, a cost meter and an audit pass.
11 min read·Kodetra Technologies
28d ago
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
28d ago
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
28d ago
Tutorials Advanced
Poppy Protocol: Build a Personal Agent Client
Meta and Sierra's draft agent standard, in Python: discovery, DPoP sessions, and replay tests.
13 min read·Kodetra Technologies
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