fulltext_database

Access the cached full-text content database (read-only). Faster than re-extracting from Zotero. Actions: list (cached items), search (find text), get (retrieve content), stats (database info).

ServerZotero
CategoryRead

How to control fulltext_database ↓

WHAT IT DOES

What fulltext_database does on Zotero

AI agents call fulltext_database to retrieve information from Zotero without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why fulltext_database needs a policy

This tool only retrieves cached full-text content from a database without side effects. The explicit 'read-only' designation and the nature of all four actions (list, search, get, stats) confirm it performs data queries only. No data is created, modified, deleted, or executed. Severity is low because retrieval of cached research content poses minimal risk even if misused.

From the tool's definition Tool description explicitly states 'read-only' and lists actions as 'list', 'search', 'get', and 'stats'—all retrieval operations with no modification or deletion capability.

Documented attack patterns abuse exactly the kind of access fulltext_database gives an agent:

POLICY

How to control fulltext_database

PolicyLayer is an MCP gateway — it sits between your AI agents and Zotero, and nothing reaches the server without passing your rules. This is the rule we recommend for fulltext_database:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "fulltext_database": {}
  }
}

fulltext_database is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Zotero — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about fulltext_database

What does the fulltext_database tool do? +

Access the cached full-text content database (read-only). Faster than re-extracting from Zotero. Actions: list (cached items), search (find text), get (retrieve content), stats (database info). It is categorised as a Read tool in the Zotero MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on fulltext_database? +

Register the Zotero MCP server in PolicyLayer and add a rule for fulltext_database: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Zotero. Nothing to install.

What risk level is fulltext_database? +

fulltext_database is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit fulltext_database? +

Yes. Add a rate_limit block to the fulltext_database rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block fulltext_database completely? +

Set action: deny in the PolicyLayer policy for fulltext_database. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides fulltext_database? +

fulltext_database is provided by the Zotero MCP server (zotero-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Zotero tool call.

Start from Zotero, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

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27 Zotero tools catalogued and risk-classified — across an index of 43,000+ MCP servers.