Secret Codes by Mariatta
01Personal infrastructure by Mariatta

Tools I built for myself.
Open source, so you can too.

Small, useful automations. Everything here runs without third-party trackers or cookie gauntlets, the code is yours to read, fork, and self-host.

Browse tools → View source
A B C D E F G SECRET CODES
COORD 49.282198°N · 122.829355°W SIGNAL · · · — STATUS decoded OWNER @mariatta
01Availability

When am I free?

No more going up-up-down-down-left-right-left-right on my calendar. Find a time to meet here.

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02Agent

MCP endpoint

I'll have your agent talk to my agent. Public, rate-limited, no auth required.

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03Utility

QR codes

Generate a QR for any URL. No login, no analytics, no watermark.

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04Shared

Expenses

Shared expense tracking for trips and gatherings, friends and family only.

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05Feedback

Surveys

Anonymous feedback forms for events and side-projects. Open-text answers turn into themes and action items.

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06Planning

Content planner

Plan blog series and social posts across channels, schedule, assets, and status in one place. Invite-only.

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