Get members of a workspace or the entire organization if workspaceId is omitted. Workspace members include roles and privileges; org members include user profiles with emails. Useful for finding collaborators or checking permissions.
AI agents call get_members to retrieve information from Fusebase 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 and queries membership and user information without creating, modifying, deleting, or executing any actions. It is a read-only operation that returns existing data about organization and workspace members. While it does expose email addresses and permission information, the low blast radius and informational nature classify it as a Read operation with low severity.
From the tool's definition Tool name is 'get_members' and description states it 'Get members' and retrieves 'roles and privileges' and 'user profiles with emails' with no modification or deletion capability mentioned.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Get members of a workspace or the entire organization if workspaceId is omitted. Workspace members include roles and privileges; org members include user profiles with emails. Useful for finding collaborators or checking permissions. It is categorised as a Read tool in the Fusebase MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Fusebase MCP Server MCP server in PolicyLayer and add a rule for get_members: 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 Fusebase MCP Server. Nothing to install.
get_members 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_members 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_members. 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_members is provided by the Fusebase MCP Server MCP server (ryan-haver/fusebase-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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