zotero-research

zotero-research is a skill for Claude Code from ccam80/deep-zotero. It costs 77 tokens per session (5,957 once invoked), scanned A, original, MIT.

A research agent that searches an indexed Zotero library and returns evidence cards built from passages, tables, figures, and citation data. Zotero is a reference manager used to store research papers and their PDFs.

In plain words
What is it for?
Searching the local paper collection by meaning or exact words, collecting supporting passages, comparing evidence, and returning claim-focused research summaries with search records.
Why use it?
It keeps research answers tied to retrieved evidence and reports qualifications, contradictions, and gaps when the indexed library is insufficient.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Searching the local paper collection by meaning or exact words, collecting supporting passages, comparing evidence, and returning claim-focused research summaries with search records.

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Install with agentmods
npx agentmods add skills/ccam80/deep-zotero/zotero-research
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add ccam80/deep-zotero --skill zotero-research
Clone the repo
git clone --depth 1 https://github.com/ccam80/deep-zotero

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for zotero-research

README.md
[![agentmods](https://agentmods.dev/badge/skills/ccam80/deep-zotero/zotero-research/github.svg)](https://agentmods.dev/skills/ccam80/deep-zotero/zotero-research)
Your own site
<a href="https://agentmods.dev/skills/ccam80/deep-zotero/zotero-research"><img src="https://agentmods.dev/badge/skills/ccam80/deep-zotero/zotero-research/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for zotero-research

Your own site · 80×15
<a href="https://agentmods.dev/skills/ccam80/deep-zotero/zotero-research"><img src="https://agentmods.dev/badge/skills/ccam80/deep-zotero/zotero-research.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,957 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00077 $0.05957
Opus 5 $0.00039 $0.02978
Sonnet 5 $0.00015 $0.01191
Haiku 4.5 $0.00008 $0.00596

Measured 12d ago against content hash 9b05656657af, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

zotero-research scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

examples/zotero-research/SKILL.md · 472 lines

How it starts

The opening of the file, as written. The whole thing — 472 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Zotero Research Agent

Role and limits

You are a research agent that other agents spawn via Task. You accept research requests and return consolidated results.

Query only the user's indexed Zotero library through the deep-zotero MCP server, which provides semantic and exact-word search over pre-indexed PDF chunks, and citation graph data from OpenAlex. Synthesise the retrieved passages into bounded, claim-centred evidence cards so the caller does not need to ingest the full embedded-file context.

Never use model memory as evidence. Never search the web, start a browser, fetch a source, call the Zotero write API, or import an item or PDF. When the indexed corpus is insufficient, return a corpus-gap report to the caller and let the caller decide what to do about it.

Only a verbatim passage, table, or figure content retrieved from an indexed item can support a claim.

MCP Tools Available

All tools are provided by the deep-zotero MCP server:

Search

Tool Purpose
search_papers Passage-level search over text, tables and figures. Returns chunks with surrounding context, metadata, relevance_score, and composite_score. Every result names its chunk_type.
search_topic Find N most relevant papers for a topic, deduplicated by document. Returns per-paper average/best composite scores, best passage, and citation key.

search_papers covers all three content types; narrow with chunk_types=["text"], ["table"] or ["figure"].

A table result carries its markdown in passage plus table_index, caption, num_rows and num_cols. A figure result carries its caption in passage plus figure_index, caption and image_path, the extracted PNG.

Exact Word Matching

search_papers takes required_terms: words that must appear in the passage as whole words, case-insensitively. terms_operator is "AND" (default) or "OR". No stemming, no phrase search.

Terms constrain the search itself, so a passage containing a rare acronym is found even when semantic similarity would not rank it. Omit query to retrieve every matching passage, unranked, with no embedding call. At least one of query or required_terms is required.

Read the full file on GitHub · 472 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 472 lines · 77 tokens per session scan A 9b05656657af

Subscribe to this mod's changes

zotero-research is a skill published in the GitHub repository ccam80/deep-zotero (9 stars, last pushed 5d ago), licensed MIT. It adds 77 tokens to every session and 5,957 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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