List available assistants
AI agents call list_assistants to retrieve information from Dust MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only operation that retrieves information about assistants. It has no side effects, does not modify data, execute commands, delete anything, or involve financial transactions.
From the tool's definition Tool name 'list_assistants' with description 'List available assistants' indicates a retrieval operation that queries and returns a list of available assistants without modifying any data.
Attacks that exploit this kind of access
List available assistants. It is categorised as a Read tool in the Dust MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Dust MCP Server MCP server in PolicyLayer and add a rule for list_assistants: 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 Dust MCP Server. Nothing to install.
list_assistants 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 list_assistants 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 list_assistants. 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.
list_assistants is provided by the Dust MCP Server MCP server (ma3u/dust-mcp-server-postman-railway). 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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