Add a Plugin Manager marketplace that installs external add-ons from a GitHub repo's Releases. A curated registry (plugins/registry.json in this repo, extended by PR) lists discoverable plugins; the host fetches it, shows each entry with a release dropdown, and on install downloads the asset matching the user's platform plus plugin.toml into the plugins folder (API-version checked first). Users can also link arbitrary owner/repo manually. Linked repos persist in settings. Desktop only (ureq + serde_json); the install path reuses the phase-2 loader. Part of the #100 extensibility epic (phase 2). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Plugin registry
registry.json is the curated list of third-party plugins Open CAD Studio
offers in its Plugin Manager → marketplace. The app fetches it from this
repo's main branch at runtime, so adding an entry makes a plugin discoverable
to every user without an app update.
Add your plugin
Open a pull request adding one object to the array in
registry.json:
{
"repo": "your-account/your-plugin-repo",
"name": "Human-readable name",
"description": "One line describing what it does."
}
Requirements for the linked repo:
- Builds a
cdylibagainstocs_plugin_apiand exports the host symbols viaocs_plugin_api::export_plugin!. - Publishes per-platform binaries plus
plugin.tomlas GitHub Release assets (seecrates/ocs_example_pluginand its release workflow for a template). Asset names carry the platform, e.g.your.plugin-linux-x86_64.so,…-windows-x86_64.dll,…-macos-aarch64.dylib. plugin.tomldeclares anapi_versioncompatible with the host.
The host reads the release matching the user's platform, checks the API version, and installs it into the user's plugins folder.
Listing is curation, not endorsement or a security review. Installing a plugin runs its native code; users install at their own risk.