List all child projects of a project
AI agents call list_project_children 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 retrieves hierarchical project structure information without creating, modifying, deleting, or executing any operations. It is a pure read operation that queries existing data, consistent with the Read category for tools that retrieve or list data with no side effects.
From the tool's definition Tool name 'list_project_children' and description 'List all child projects of a project' indicate a query/retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List all child projects of a project. 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_project_children: 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_project_children 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_project_children 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_project_children. 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_project_children 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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