Read one entry from the local SQLite cache by itemid.
AI agents call get_cached_entry to retrieve information from LiveJournal MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple query operation against a local cache to retrieve a single cached entry. It does not modify, delete, or execute any operations—it only reads data. The operation is restricted to local cached data, limiting blast radius. A misused invocation would at worst retrieve unintended cached data, which poses minimal security risk.
From the tool's definition Tool description states 'Read one entry from the local SQLite cache by itemid.' The verb 'Read' and the retrieval-only operation confirm this is a data retrieval function with no side effects.
Attacks that exploit this kind of access
Read one entry from the local SQLite cache by itemid. It is categorised as a Read tool in the LiveJournal MCP Server MCP Server, which means it retrieves data without modifying state.
Register the LiveJournal MCP Server MCP server in PolicyLayer and add a rule for get_cached_entry: 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 LiveJournal MCP Server. Nothing to install.
get_cached_entry 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_cached_entry 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_cached_entry. 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_cached_entry is provided by the LiveJournal MCP Server MCP server (pavelber/livejournal-mcp). 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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