snow_manage_oauth_tokens · Serac MCP: Risk & Policy

WHAT IT DOES

What snow_manage_oauth_tokens does on Serac

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

WHY IT NEEDS A POLICY

Why snow_manage_oauth_tokens needs a policy

This tool performs write operations on OAuth tokens, including refresh operations that alter authentication credentials. While it includes read capabilities (view status, troubleshoot), the core functionality involves modifying token state. Misuse could allow an AI agent to refresh or manipulate tokens to gain unauthorized access or escalate privileges.

From the tool's definition Manage OAuth tokens: view status, refresh tokens, troubleshoot authentication issues — the tool explicitly handles token refreshing and management operations that modify authentication state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

snow_manage_oauth_tokens Rate-limited

snow_manage_oauth_tokens 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": {
    "snow_manage_oauth_tokens": {
      "limits": [
        {
          "counter": "snow_manage_oauth_tokens_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 Serac, so you can run agents against it safely.

FAQ

Questions about snow_manage_oauth_tokens

What does the snow_manage_oauth_tokens tool do? +

Manage OAuth tokens: view status, refresh tokens, troubleshoot authentication issues. It is categorised as a Write tool in the Serac MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on snow_manage_oauth_tokens? +

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

What risk level is snow_manage_oauth_tokens? +

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

Can I rate-limit snow_manage_oauth_tokens? +

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

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

snow_manage_oauth_tokens is provided by the Serac MCP server (serac-labs/serac). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.