Practical guides
for people who
build.
Hands-on guides, honest tool comparisons, and free developer utilities. Every claim is backed by a source or a real test, and the limitations are written down.
53+
Articles indexed in repo
24
Browser tools live
7
Topic categories
3,461
Monthly readers
Signal
Guides backed by sources or a real test/
Tools are scouted before they are recommended/
Every guide names what to do differently/
Limitations are written down, not hidden/
Comparisons are hands-on where it matters/
Free utilities you can use in the browser/
Guides backed by sources or a real test/
Tools are scouted before they are recommended/
Every guide names what to do differently/
Limitations are written down, not hidden/
Comparisons are hands-on where it matters/
Free utilities you can use in the browser/
LANE · 01
Read the guides
Technical guides backed by sources, real tests, or explicit limitations.
53 articles
LANE · 02
Use the tools
Free browser utilities for everyday developer tasks.
24 tools
LANE · 03
Compare options
Hands-on tool and stack comparisons to help you choose.
comparisons
GPT-5.6 Prompt Caching: The 24-Hour Cache Is Gone
GPT-5.6 added explicit prompt cache controls and quietly took the 24-hour cache away. We ran the API and measured what that swap costs.
Read piece →
When an AI Agent Bungles a Tool Call, Does It Fix Itself?
We ran an OpenAI API probe on three tool-misuse faults an order agent hits (schema drift, rate limits, fake-success replies) and recorded the recovery.
Read →
GPT-5.6 Programmatic Tool Calling: When It Cuts the Token Bill
We ran GPT-5.6's programmatic tool calling on a real API. On one task it cut tokens 92%. On another it cost 2.2x more. Here's the rule that decides which.
Read →
Function Calling Schema Builder — OpenAI & Anthropic Tool Definitions
Build tool-calling schemas visually. Define a function and typed parameters, get ready-to-paste tool blocks for OpenAI Chat Completions, OpenAI Responses, and Anthropic Messages. 100% client-side.
Read →
Framer Review 2026: AI Website Builder Guide
Framer review for 2026: AI site generation, CMS limits, current pricing, code components, and how it compares to Webflow, Squarespace, Wix, and WordPress.
Read →
Claude Programmatic Tool Calling: Measured Token Savings
Claude can run your tools from sandbox code so big results never hit its context. We measured what that saves on a real API: 98% fewer tokens on one task.
Read →