Get a single bookmark group with all its bookmarks. Returns both flat list and tree structure.
AI agents call get_group to retrieve information from MCP Bookmarks without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool queries and retrieves existing bookmark group information without side effects. It performs a data retrieval operation analogous to 'get' or 'fetch', which is characteristic of Read category tools. The returned data structures (flat list, tree structure) are informational only.
From the tool's definition Tool retrieves bookmark group data and returns "both flat list and tree structure" with no mention of modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get a single bookmark group with all its bookmarks. Returns both flat list and tree structure. It is categorised as a Read tool in the MCP Bookmarks MCP Server, which means it retrieves data without modifying state.
Register the MCP Bookmarks MCP server in PolicyLayer and add a rule for get_group: 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 MCP Bookmarks. Nothing to install.
get_group 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_group 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_group. 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_group is provided by the MCP Bookmarks MCP server (linonon/mcpbookmarks). 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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