happy_archive_session · Happy Server MCP: Risk & Policy

WHAT IT DOES

What happy_archive_session does on Happy Server MCP

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

WHY IT NEEDS A POLICY

Why happy_archive_session needs a policy

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

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

happy_archive_session Rate-limited

happy_archive_session 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": {
    "happy_archive_session": {
      "limits": [
        {
          "counter": "happy_archive_session_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 Happy Server MCP, so you can run agents against it safely.

FAQ

Questions about happy_archive_session

What does the happy_archive_session tool do? +

Archive (stop) a Happy AI session. The session will be terminated and marked as inactive. It is categorised as a Write tool in the Happy Server MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on happy_archive_session? +

Register the Happy Server MCP server in PolicyLayer and add a rule for happy_archive_session: 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 Happy Server MCP. Nothing to install.

What risk level is happy_archive_session? +

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

Can I rate-limit happy_archive_session? +

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

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

happy_archive_session is provided by the Happy Server MCP server (zhigang1992/happy-server-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.