Get a specific item from Omeka S.
AI agents call get-item to retrieve information from Omeka S Mcp Sample without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward query operation that retrieves data from Omeka S without modifying, deleting, or executing anything. The action is read-only and non-destructive. Severity is low because retrieving item metadata poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'get-item' and description 'Get a specific item from Omeka S' indicate retrieval of a single item with no side effects.
Attacks that exploit this kind of access
Get a specific item from Omeka S. It is categorised as a Read tool in the Omeka S Mcp Sample MCP Server, which means it retrieves data without modifying state.
Register the Omeka S Mcp Sample MCP server in PolicyLayer and add a rule for get-item: 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 Omeka S Mcp Sample. Nothing to install.
get-item is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get-item 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.
Set action: deny in the PolicyLayer policy for get-item. 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.
get-item is provided by the Omeka S Mcp Sample MCP server (nakamura196/omeka-s-mcp-sample). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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