Letta Filesystem to MemFS Use this skill when a user wants the old Letta Filesystem behavior: upload documents, chunk them, attach them to an agent, and let the agent search/open them. MemFS is not the same product. It is git-backed markdown memory. To mimic the old workflow, use the bundled CLI: 1. Extract PDFs/docs to markdown text. 2. Chunk the text into stable markdown files under . 3. Write a small pinned index under . 4. Index only the corpus chunk files in QMD for semantic search. 5. Review the MemFS git diff. Commit only if asked. Quick workflow Search the chunk corpus lexically: Sema…