Search users and tasks
AI agents call search to retrieve information from MCP Test Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data matching search criteria but does not modify, create, or delete any data. It is a passive query operation with no irreversible effects or external execution. The low severity reflects that misuse would only expose information the agent shouldn't access, not cause data loss or unauthorized actions.
From the tool's definition Tool name 'search' combined with description 'Search users and tasks' indicates a query operation with no side effects. The verb 'search' is a retrieval operation that does not create, modify, delete, or execute external code.
Attacks that exploit this kind of access
Search users and tasks. It is categorised as a Read tool in the MCP Test Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Test Server 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 MCP Test Server. 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 MCP Test Server MCP server (yvanfreitas/mcp-test). 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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