bbs_wait_for_prompt · Mcp Bbs MCP: Risk & Policy

WHAT IT DOES

What bbs_wait_for_prompt does on Mcp Bbs

AI agents invoke bbs_wait_for_prompt to trigger actions in Mcp Bbs. 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 bbs_wait_for_prompt needs a policy

While the tool name alone suggests a passive read operation, the context of a telnet client designed for AI agents to interact with BBS systems indicates this is part of an Execute workflow. The tool enables control flow for sending commands to and receiving responses from a remote system.

From the tool's definition The tool 'bbs_wait_for_prompt' operates within a BBS telnet client that enables AI agents to 'interact with legacy Bulletin Board Systems.' Waiting for a prompt is part of the control flow for executing commands on a remote system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

bbs_wait_for_prompt Rate-limited

bbs_wait_for_prompt 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": {
    "bbs_wait_for_prompt": {
      "limits": [
        {
          "counter": "bbs_wait_for_prompt_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 Mcp Bbs, so you can run agents against it safely.

FAQ

Questions about bbs_wait_for_prompt

What does the bbs_wait_for_prompt tool do? +

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

How do I enforce a policy on bbs_wait_for_prompt? +

Register the Mcp Bbs MCP server in PolicyLayer and add a rule for bbs_wait_for_prompt: 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 Mcp Bbs. Nothing to install.

What risk level is bbs_wait_for_prompt? +

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

Can I rate-limit bbs_wait_for_prompt? +

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

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

bbs_wait_for_prompt is provided by the Mcp Bbs MCP server (livingstaccato/mcp-bbs). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.