AI agents call search to retrieve information from Magnet without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a search/query operation with no side effects. It retrieves data from the Magnet system without creating, modifying, deleting, or executing any operations. This is a typical Read category operation.
From the tool's definition Tool description states 'Search for issues and pages in Magnet' with searching 'across document properties including title and content.' No modification, deletion, or execution capabilities are mentioned.
Attacks that exploit this kind of access
Search for issues and pages in Magnet. Searches across document properties including title and content. It is categorised as a Read tool in the Magnet MCP Server, which means it retrieves data without modifying state.
Register the Magnet MCP server in PolicyLayer and add a rule for search: 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 Magnet. Nothing to install.
search 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 search 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 search. 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.
search is provided by the Magnet MCP server (@magnet-ai/magnet-mcp-server). 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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