Build the tool you’re missing
Your UI. Your database. Agent access you grant.
The App Development Kit (ADK) helps you build mini-apps for AgentCron. The SDK supplies the contract, bridge, types and UI primitives.
Development preview. Local authoring works. Production installation is not enabled. No public app marketplace is available.
Small app. Real purpose.
- Client hub: keep project notes and follow-ups together.
- Release checklist: track what is ready and what needs review.
- Research notebook: give agents a structured place for findings.
These are build ideas, not bundled products or live integrations. The included starters are Notes, Tracker and a read-only Dashboard. The Tracker starter is not the built-in Tracker’s dispatch engine.
Three parts. One package.
Your interface. Static UI assets inside a restricted app frame.
Your database. A separate SQLite database, with versioned migrations, for each installed app in each profile.
Your contract. Declare records, queries and actions. The owner grants broker access to agents. This controls app-broker access—not independent filesystem access from a separately authorized CLI.
Start with the installed SDK
Use the exact CLI path shown by your AgentCron installation; the bare command may not be on your PATH. The commands below abbreviate that path as agentcron.
agentcron apps sdk --json
agentcron apps adk --json
Ask your coding agent to read every returned document and check version and runtime availability before building.
Scaffold. Check. Preview.
Choose a new directory under an existing parent:
agentcron apps create my-notes --directory ./my-notes --template notes
agentcron apps test ./my-notes
agentcron apps doctor ./my-notes
These authoring checks run offline. They validate package structure and integrity; they do not certify security or runtime behaviour.
In AgentCron Dev → Apps, preview the folder and review its requested access before installation. Test only with disposable data. No agent starts automatically on installation.
What still needs proving
Production package installation, publisher signing, supported-platform testing and independent security review remain release gates. The mobile preview currently supports selected terminals on a local network—not remote access to every mini-app.