One shared understanding
Make the tools, inputs, outputs, and promises between agents visible before they become tribal knowledge.
Agent contracts · local-first
Ionic Essential
The Agentic Compatibility Layer
Ionic registers agent contracts and detects a break before it reaches the next agent. Essential 0.6.1 is available for Windows today.
Local by defaultIONIC ESSENTIAL
A contract should be visible before it breaks.
Catch the break early
Check a proposed change against the agents that depend on it—before merge, rather than after a quiet chain failure.
Your work stays with you
Essential keeps its registry and workspace work local. We collect no product telemetry from it.
ONE LOCAL SYSTEM
Use it where the work happens.
Desktop
The official way to use Essential today.
MCP server
Lets agents register and check contracts in the same local workflow.
Local registry
A local, versioned record of the agreements your system relies on.
INSTALL
Essential 0.6.1, for Windows.
Essential is MIT. The official desktop installer is Windows-only for now; macOS and Linux builds are not offered yet.
Ionic is agent contract tooling. It is separate from Pathways and Vertral Spatial Engine.
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