deploy_skills_to_cursor

THE RISK

Medium Risk

Why deploy_skills_to_cursor needs a policy

The tool deploys/writes configuration files for Cursor (an AI code editor). This is a Write operation as it creates or modifies configuration files. It does not appear to execute code or irreversibly destroy data, but misconfiguration could affect the development environment.

From the tool's definition Deploy Agent Skills as Cursor configuration

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

POLICY

How to control deploy_skills_to_cursor

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

policy.json

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

deploy_skills_to_cursor 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 MCP Project Orchestrator — 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 →

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EXPLORE

Related tools and policies

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All 15 MCP Project Orchestrator tools →

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 deploy_skills_to_cursor

What does the deploy_skills_to_cursor tool do? +

Deploy Agent Skills as Cursor configuration. It is categorised as a Write tool in the MCP Project Orchestrator MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on deploy_skills_to_cursor? +

Register the MCP Project Orchestrator MCP server in PolicyLayer and add a rule for deploy_skills_to_cursor: 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 MCP Project Orchestrator. Nothing to install.

What risk level is deploy_skills_to_cursor? +

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

Can I rate-limit deploy_skills_to_cursor? +

Yes. Add a rate_limit block to the deploy_skills_to_cursor 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 deploy_skills_to_cursor completely? +

Set action: deny in the PolicyLayer policy for deploy_skills_to_cursor. 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 deploy_skills_to_cursor? +

deploy_skills_to_cursor is provided by the MCP Project Orchestrator MCP server (sparesparrow/mcp-project-orchestrator). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP Project Orchestrator tool call.

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

CHECK YOUR STACK →