Add the marketplace
Add the Cadasto marketplace in Claude Code, then install one plugin by its catalog name.
Requirements
Claude Code, with the /plugin command and network access to GitHub. Claude Code fetches each plugin from its Cadasto/… repository at the tag this catalog pins. Cursor installs each plugin from its own repository; Install covers that path.
Add it and install a plugin
/plugin marketplace add Cadasto/plugin-marketplace
Once. The marketplace name is cadasto, so a plugin's install id is its catalog name plus @cadasto.
/plugin install <plugin>@cadasto
The names are on Choose a plugin and the plugin list. For example, the openEHR Assistant installs with:
/plugin install openehr-assistant@cadasto
What you have afterwards
The plugin's skills, agents, and commands load in the next session. Each plugin's page on the plugin list includes the README from the pinned release, which is where its own requirements live. openEHR Assistant, for example, registers a hosted MCP server; the others are Markdown and JSON and need no server.
Updates, inspection, Cursor, and loading a working copy while you develop a plugin are on Install.