Simple pricing

The desktop app is always free (it runs on your own machine). These plans cover the hosted cloud MCP.

Free

Current plan

Try the cloud bridge with your Zotero library.

$0/month
  • 500 MCP calls / month
  • ✓ Search & read your Zotero library
  • ✓ Item metadata, notes & collections
  • ✓ PDF text (search papers as text)
  • ✗ Raw PDF file downloads
  • ✗ Write access (create/update notes & items)
Recommended

RefBridgeMCP Personal

For real research workflows.

$2.50/month

or $20/year (save 33%)

  • ✓ Everything in Free, plus:
  • ✓ Unlimited MCP calls (fair use)
  • ✓ Write access — create notes, add items, update metadata
  • ✓ Raw PDF file downloads (for tools that need the binary)
  • ✓ Full-text semantic search across your library
  • ✓ Up to 2,500 references indexed
  • ✓ Up to 200 indexed PDFs

RefBridgeMCP Pro

Full-text semantic search + larger libraries.

$20/month

or $200/year (save 17%)

  • ✓ Everything in Personal, plus:
  • ✓ Up to 15,000 references
  • ✓ Up to 1,500 indexed PDFs (~5 GB semantic index)
  • ✓ Visualize your library as a knowledge graph
  • ✓ Use graph search to find the evolution of an idea
  • ✓ Heal your library automatically by letting AI find and fill in missing citation data

The desktop app (RefBridgeMCP Desktop) is 100% free and runs on your own machine — it never uses the cloud bridge, so it isn't subject to these limits.