1
F0 · Server (current)
Remote MCP server with seven tools, GitHub sign-in, invite-only group, REST API and the Claude Code session hook.Moves on after two weeks of real use where notes actually get picked up again.
2
F1 · Mac
Menu bar app, stickies on login and wake, a desktop widget, and a notification when a handoff arrives.Moves on when stickies replace loose Markdown files.
3
F2 · iPhone
App with home and lock screen widgets, a share extension to save a note from any app, and Sign in with Apple.Moves on when the group passes postas for real.
4
F3 · Open
Contacts by invitation beyond the initial group, a web link with “copy as prompt” for people without the connector, and live notifications in Claude Code sessions.Moves on when there is a real need to pass secrets.
5
F4 · Vault
End-to-end encrypted secrets between the apps. The agent never sees the value; the posta only says it exists. It opens once, in the app, and expires.