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Detect and manage duplicate items in Zotero libraries
Passed 19 of 22 test cases with the skill, and 9 of 22 without it.
and 16 more in the full report
10 fixed9 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
What item type is ISBN matching in Zoplicate primarily designed for, and what is its default weight in the criteria configuration?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies books and proceedings as the target publication types for ISBN matching. | Missed | Passed |
| States that the default weight for isbn is 1.0. | Missed | Passed |
The instructions your model reads when the skill loads.
Zoplicate is a Zotero plugin that detects and manages duplicate items in your library. It goes beyond Zotero's built-in duplicate detection by offering configurable matching criteria, batch merge operations, automatic deduplication on import, and smart metadata merging that keeps the best version of each field. Essential for researchers who import from multiple databases.
# Download .xpi from GitHub releases
# Zotero 7: Tools → Add-ons → Install Add-on From File
### Duplicate Detection
- **DOI matching** — Most reliable, catches exact duplicates
- **Title similarity** — Fuzzy matching for slight variations
- **ISBN matching** — For books and proceedings
- **Combined scoring** — Weighted match across multiple fields
### Smart Merge
- Keep the most complete metadata from each duplicate
- Preserve all tags from both items
- Merge notes and annotations
- Consolidate attachments (keep all unique PDFs)
- Maintain collection memberships from both
### Automatic Mode
- Detect duplicates on import
- Configurable auto-merge threshold
- Notification before auto-merge (optional)
{
"detection": {
test cases passed, vs 9 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.