update_prompt_version · Respan MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_prompt_version does on Respan MCP Server

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

WHY IT NEEDS A POLICY

Why update_prompt_version needs a policy

This tool creates or modifies prompt versions within the Respan logging and management system. Updates are reversible (new versions can be created or previous versions restored), and the tool does not delete data, execute external code, move money, or cause irreversible changes. The 'deploy: false' constraint further confirms this is a safe modification operation.

From the tool's definition Tool name contains 'update' and description states 'Update an existing prompt version', which modifies existing data reversibly. The constraint 'Always keeps deploy: false' indicates the update does not trigger immediate deployment, maintaining reversibility.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_prompt_version Rate-limited

update_prompt_version 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": {
    "update_prompt_version": {
      "limits": [
        {
          "counter": "update_prompt_version_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 Respan MCP Server, so you can run agents against it safely.

FAQ

Questions about update_prompt_version

What does the update_prompt_version tool do? +

Update an existing prompt version. Always keeps deploy: false. It is categorised as a Write tool in the Respan MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_prompt_version? +

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

What risk level is update_prompt_version? +

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

Can I rate-limit update_prompt_version? +

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

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

update_prompt_version is provided by the Respan MCP Server MCP server (respanai/respan-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.