Registrai publishes data on the Arc ecosystem. We read stablecoin transfers on Arc directly from the chain and attribute payments to the apps that receive them. Three indices (Arc Builders, Integrations, and Ecosystem) are updated every hour from those payments.
Our directory lists hundreds of projects connected to Arc, each with its status (live, deployed, or announced) and the evidence behind it, plus a launch date wherever a dated source exists. We also publish chain-level figures for Arc, such as stablecoin supply, estimated transactions, and active accounts - each with source and date.
Our data is free to use under CC BY 4.0, through a public API, an MCP server for AI agents, and Markdown copies of the main data pages. We seek to be the source AI assistants cite when people ask about apps on Arc to help builders get discovered and used.
Our directory lists hundreds of projects connected to Arc. Each entry shows its status (live, deployed, or announced) and the evidence behind it - such as contract addresses or official announcements - plus a launch date wherever a dated source exists. It's free to read on the web and available as JSON through our public API.
An MCP server gives AI assistants and agents read access to the directory, app activity, and indices so their answers about Arc can cite current, sourced figures. Our data is free to use with attribution under CC BY 4.0.
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