Explore
More than package health
Four dimensions of package intelligence. Open, cached, agent-ready.
Trending
What AI agents are searching right now
Live rank, weekly growth, ecosystem breakdown. Discover what real agents install before they ship.
Errors
Error → Fix database
Paste a stack trace. Get the exact fix from issues, docs, and maintainer answers across 19 ecosystems.
Compat
Stack compatibility checker
Build a stack. Verify combinations like next@16 + react@19 + tailwind@4 before you start.
Bugs
Known bugs per package & version
Version-specific regressions tracked from GitHub issues, registries, and maintainer notes.
Breaking
Breaking changes per major version
React 18→19, Next 14→15, Prisma 5→6, Pydantic v1→v2 and dozens more — each with verified migration hints.