updateFeatureFlag · Unleash Feature Flag MCP Server MCP

WHAT IT DOES

What updateFeatureFlag does on Unleash Feature Flag MCP Server

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

WHY IT NEEDS A POLICY

Why updateFeatureFlag needs a policy

An AI agent can call updateFeatureFlag faster than any human can review — one bad instruction and it creates or modifies resources in Unleash Feature Flag MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

updateFeatureFlag Rate-limited

updateFeatureFlag 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": {
    "updateFeatureFlag": {
      "limits": [
        {
          "counter": "updatefeatureflag_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 Unleash Feature Flag MCP Server, so you can run agents against it safely.

FAQ

Questions about updateFeatureFlag

What does the updateFeatureFlag tool do? +

Update an existing feature flag. It is categorised as a Write tool in the Unleash Feature Flag 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 updateFeatureFlag? +

Register the Unleash Feature Flag MCP Server MCP server in PolicyLayer and add a rule for updateFeatureFlag: 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 Unleash Feature Flag MCP Server. Nothing to install.

What risk level is updateFeatureFlag? +

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

Can I rate-limit updateFeatureFlag? +

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

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

updateFeatureFlag is provided by the Unleash Feature Flag MCP Server MCP server (ylin6/unleash-ff-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.