Get the user
AI agents call get_default_workspace to retrieve information from Sidvy MCP 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 about the user's default workspace without side effects, making it a Read operation. The blast radius is minimal since it only exposes existing user/workspace metadata. Low severity applies as information disclosure of default workspace settings poses limited risk in isolation.
From the tool's definition Tool name and description indicate retrieval of workspace information ('Get the user'). No modification, deletion, or execution is described.
Attacks that exploit this kind of access
Get the user. It is categorised as a Read tool in the Sidvy MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sidvy MCP Server MCP server in PolicyLayer and add a rule for get_default_workspace: 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 Sidvy MCP Server. Nothing to install.
get_default_workspace 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_default_workspace 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_default_workspace. 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_default_workspace is provided by the Sidvy MCP Server MCP server (martinhjartmyr/sidvy-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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