List all assignees for a task
AI agents call list_task_assignees to retrieve information from Vikunja MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and displays information about who is assigned to a task. It has no side effects, does not modify data, does not execute code or commands, and does not delete or move resources. It is a straightforward read operation typical of task management systems for querying project metadata.
From the tool's definition Tool name is 'list_task_assignees' and description states it 'List all assignees for a task' — a pure query operation that retrieves data about existing task assignments without modifying or executing anything.
Attacks that exploit this kind of access
List all assignees for a task. It is categorised as a Read tool in the Vikunja MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Vikunja MCP Server MCP server in PolicyLayer and add a rule for list_task_assignees: 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 Vikunja MCP Server. Nothing to install.
list_task_assignees 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_task_assignees 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_task_assignees. 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_task_assignees is provided by the Vikunja MCP Server MCP server (wosh-i/vikunja-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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