update-policy · Openfort MCP Server MCP: Risk & Policy

WHAT IT DOES

What update-policy does on Openfort MCP Server

AI agents use update-policy to create or update resources in Openfort MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Openfort MCP Server environment.

WHY IT NEEDS A POLICY

Why update-policy needs a policy

The tool modifies policy configurations within Openfort's wallet infrastructure. This is a Write operation (reversible change to data/config) rather than Destructive (no deletion or overwrite of entire policies). Severity is medium because policy misconfigurations could affect wallet security or transaction behavior, but the operation is reversible and doesn't directly move funds or execute external code.

From the tool's definition Tool name 'update-policy' with description 'Update an existing policy' indicates modification of existing configuration data. Sibling tools include create operations (create-policy, create-project) confirming this server manages mutable resources.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update-policy Rate-limited

update-policy 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update-policy": {
      "limits": [
        {
          "counter": "update-policy_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Openfort MCP Server, so you can run agents against it safely.

FAQ

Questions about update-policy

What does the update-policy tool do? +

Update an existing policy. It is categorised as a Write tool in the Openfort MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update-policy? +

Register the Openfort MCP Server MCP server in PolicyLayer and add a rule for update-policy: 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 Openfort MCP Server. Nothing to install.

What risk level is update-policy? +

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

Can I rate-limit update-policy? +

Yes. Add a rate_limit block to the update-policy 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 update-policy completely? +

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

update-policy is provided by the Openfort MCP Server MCP server (openfort-xyz/-deprecated-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.