AI DIRECTORY · VERIFIED SIGNAL

FIND THE RIGHT
AI TOOL.
SKIP THE NOISE.

Search by the work you need to finish. Compare useful differences, current pricing, and verified product facts.

PRIMARY URL OWNERSHIP SOURCE-BACKED FACTS TASK-FIRST DISCOVERY NO FILTER-PAGE SPAM
EDITORIAL SELECTION

Tools worth your attention

View all tools
STABLE DIRECTORY

Browse by category

All categories
LATEST FROM THE NEWS DESK

What changed—and why it matters.

All news
RADAR FIELD NOTES

Use AI with better judgment.

Guides, workflows, and comparisons built around decisions—not product hype.

Read the blog
guide · 8 MIN

Prompt engineering that survives model changes

A durable method for writing prompts, testing failures, and improving reliability without depending on model-specific tricks.

Shakespeare LyuFounder & Editor · Aug 24, 2026 · 00:00 UTC
guide · 9 MIN

RAG explained: retrieval before generation

How retrieval-augmented generation works, where it fails, and what to measure before trusting a grounded AI answer.

Shakespeare LyuFounder & Editor · Aug 24, 2026 · 00:00 UTC
guide · 7 MIN

Context windows are working memory, not knowledge

A practical guide to token budgets, context quality, compaction, retrieval, and why a larger window does not remove the need for information design.

Shakespeare LyuFounder & Editor · Aug 24, 2026 · 00:00 UTC
DIRECTORY ONLINE

Start with the task. Find the tool.

Search Radar