Tutorials Intermediate
GPT-6 Astra: Change Reasoning Effort Without Losing Cache
Use configuration_update to raise or lower Astra's reasoning effort mid-chat and keep cache hits.
11 min read·Kodetra Technologies
4d agoGuides
AI Guides for Builders
How-to content for builders, indie hackers, and AI engineers. Less theory, more shipped code.
Tutorials 
Tutorials Intermediate
OpenClaw Secrets: Give Agents Keys They Never See
Use OpenClaw 2.0's secrets tool and egress proxy so agents use API keys without ever reading them.
11 min read·Kodetra Technologies
11d 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
29d ago
Tutorials Intermediate
Stop MCP Tool Poisoning: Scan and Pin in Python
Build a Python gate that scans MCP tool descriptions for hidden injections and pins them by hash.
9 min read·Kodetra Technologies
Aug 12
Tutorials Intermediate
Gate Every PR With Claude Code Security Reviews
Wire Anthropic's /security-review and GitHub Action to catch SQLi, XSS and RCE before merge.
8 min read·Kodetra Technologies
Aug 6
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
Aug 5
Tutorials Advanced
Swap Tools Mid-Chat on Claude Opus 5, Keep the Cache
Add or drop Claude Opus 5 tools between turns without invalidating your prompt cache.
12 min read·Kodetra Technologies
Jul 28
Tutorials Intermediate
Kimi K3 Partial Mode: Prefill Replies to Force Output
Prefill Kimi K3's assistant turn to lock output shape, force clean JSON, and steer tone.
9 min read·Kodetra Technologies
Jul 21
Tutorials Intermediate
Kimi K3 Dynamic Tool Loading: Inject Tools On Demand
Load tools just-in-time in Kimi K3's agent loop to shrink prompts and sharpen tool choice.
8 min read·Kodetra Technologies
Jul 20
Tutorials Intermediate
Kimi K3: Query a Million-Token Repo for Pennies
Point the OpenAI SDK at Moonshot's 2.8T K3, load a whole repo, and cut cost with caching.
8 min read·Kodetra Technologies
Jul 17
Tutorials Intermediate
Prompt Cache Retention: Cut OpenAI Bills Up to 90%
Structure prompts, set prompt_cache_retention, and read cached_tokens to slash GPT-5.6 input costs.
8 min read·Kodetra Technologies
Jul 11
Tutorials Intermediate
Grok 4.5 Tool Loops: Tune Effort and Cache to Cut Cost
Build an agentic Grok 4.5 tool loop in Python: route reasoning_effort and cache to slash cost.
7 min read·Kodetra Technologies
Jul 10Page 1 of 3