AI agents call vikunja_get_server_info to retrieve information from Vikunja without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns server metadata without modifying, executing, or destructing any data. It is a read-only operation retrieving publicly available system information. Severity is low because version and configuration details have limited blast radius for misuse.
From the tool's definition Tool retrieves 'public information about the configured Vikunja instance, including version and enabled settings' with 'no auth token required' — purely informational read with no side effects.
Attacks that exploit this kind of access
Get public information about the configured Vikunja instance, including version and enabled settings. No auth token is required. It is categorised as a Read tool in the Vikunja MCP Server, which means it retrieves data without modifying state.
Register the Vikunja MCP server in PolicyLayer and add a rule for vikunja_get_server_info: 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. Nothing to install.
vikunja_get_server_info 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 vikunja_get_server_info 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 vikunja_get_server_info. 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.
vikunja_get_server_info is provided by the Vikunja MCP server (shichao402/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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