workspace_await_approval · TermPipe MCP: Risk & Policy

WHAT IT DOES

What workspace_await_approval does on TermPipe MCP

AI agents invoke workspace_await_approval to trigger actions in TermPipe MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why workspace_await_approval needs a policy

The description is empty, so classification relies on context. The server provides direct terminal access and command execution capabilities. The name 'workspace_await_approval' suggests a gating or permission mechanism, possibly pausing execution pending human approval — which could be a control flow operation within an Execute-class environment.

From the tool's definition Tool name 'workspace_await_approval' on a server that 'Provides AI assistants with direct terminal access to execute commands, manage files, and run persistent REPL sessions.' Description is empty/uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

workspace_await_approval Rate-limited

workspace_await_approval stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "workspace_await_approval": {
      "limits": [
        {
          "counter": "workspace_await_approval_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches TermPipe MCP, so you can run agents against it safely.

FAQ

Questions about workspace_await_approval

What does the workspace_await_approval tool do? +

workspace_await_approval. It is categorised as a Execute tool in the TermPipe MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on workspace_await_approval? +

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

What risk level is workspace_await_approval? +

workspace_await_approval is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit workspace_await_approval? +

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

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

workspace_await_approval is provided by the TermPipe MCP server (wbind-core/termpipe-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.