Medium Risk

session_complete

Mark the current session as complete. Call this when a task is finished.

Part of the Session Forge server.

session_complete can modify Session Forge data, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents use session_complete to create or modify resources in Session Forge. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

Without a policy, an AI agent could call session_complete repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Session Forge.

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "session_complete": {
      "limits": [
        {
          "counter": "session_complete_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

See the full Session Forge policy for all 15 tools.

Get this rule live on your own Session Forge server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access session_complete gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so session_complete only ever does what you allow.

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Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.

What does the session_complete tool do? +

Mark the current session as complete. Call this when a task is finished.. It is categorised as a Write tool in the Session Forge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on session_complete? +

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

What risk level is session_complete? +

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

Can I rate-limit session_complete? +

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

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

session_complete is provided by the Session Forge MCP server (session-forge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Session Forge tool call.

Deterministic rules across all 15 Session Forge tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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