Changelog
Features, improvements and developer updates, newest first. Browse everything or choose Product or Technical.
Technical update
Inside Holo Folder’s MCP server: your collection, in your AI assistant
Compatible AI assistants get the same 70 tools as our REST API, built from the same definitions as the app. Here is why we keep them in step, and what you can do with them, from a screenshot to a filled binder page.
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Technical update
Clearer IDs for cards and inventory
For developers: which ID to use for a card printing, an owned copy or a storage location, and what to change in an existing integration.
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Technical update
Developer docs and clearer API key setup
REST and MCP setup guides are live, with clearer guidance on copying personal API keys once and choosing the right connection.
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Guides and help
Browse collecting guides
Set guides, price tips and card show advice to help you collect smarter.