Beacon

by Asymptote Labs

Open-source memory layer that shares what your coding agents learn across Claude Code, Cursor, Codex and 20+ other tools.

FreeNew release

What people use it for

New: switch between coding agents without re-explaining your project; past sessions become reusable skills via MCP.

Open source (MIT). See site for any hosted plans.

Prices change often. Always confirm on the official site.