crow_vikunja_create_project

THE RISK

Medium Risk

Why crow_vikunja_create_project needs a policy

This tool creates a new project in Vikunja (a project management system), which is a reversible write operation. The action adds a new data entity but can be undone by deleting the project. It has moderate blast radius if an AI agent creates numerous projects or projects with malicious configurations, but doesn't irreversibly destroy data, execute arbitrary code, or move money.

From the tool's definition Tool description states 'Create a new Vikunja project', and the method name contains 'create' which indicates data creation.

Documented attack patterns abuse exactly the kind of access crow_vikunja_create_project gives an agent:

POLICY

How to control crow_vikunja_create_project

PolicyLayer is an MCP gateway — it sits between your AI agents and Crow, and nothing reaches the server without passing your rules. This is the rule we recommend for crow_vikunja_create_project:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "crow_vikunja_create_project": {
      "limits": [
        {
          "counter": "crow_vikunja_create_project_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

crow_vikunja_create_project stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Crow — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about crow_vikunja_create_project

What does the crow_vikunja_create_project tool do? +

Create a new Vikunja project. It is categorised as a Write tool in the Crow MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on crow_vikunja_create_project? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_vikunja_create_project: 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 Crow. Nothing to install.

What risk level is crow_vikunja_create_project? +

crow_vikunja_create_project is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit crow_vikunja_create_project? +

Yes. Add a rate_limit block to the crow_vikunja_create_project 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.

How do I block crow_vikunja_create_project completely? +

Set action: deny in the PolicyLayer policy for crow_vikunja_create_project. 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.

What MCP server provides crow_vikunja_create_project? +

crow_vikunja_create_project is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Crow tool call.

Start from Crow, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →