end · Session Buddy MCP: Risk & Policy

WHAT IT DOES

What end does on Session Buddy

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

WHY IT NEEDS A POLICY

Why end needs a policy

This tool ends a session and performs several operations: cleanup (likely clearing session state), capturing learnings (writing data to memory/storage), and creating a handoff file (writing a new file). These are write/modify operations that are likely reversible or at least not permanently destructive.

From the tool's definition End Claude session with cleanup, learning capture, and handoff file creation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

end Rate-limited

end 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": {
    "end": {
      "limits": [
        {
          "counter": "end_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 Session Buddy, so you can run agents against it safely.

FAQ

Questions about end

What does the end tool do? +

End Claude session with cleanup, learning capture, and handoff file creation. It is categorised as a Write tool in the Session Buddy MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on end? +

Register the Session Buddy MCP server in PolicyLayer and add a rule for end: 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 Session Buddy. Nothing to install.

What risk level is end? +

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

Can I rate-limit end? +

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

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

end is provided by the Session Buddy MCP server (lesleslie/session-buddy). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.