update_clawmark · Clawmarks MCP: Risk & Policy

WHAT IT DOES

What update_clawmark does on Clawmarks

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

WHY IT NEEDS A POLICY

Why update_clawmark needs a policy

This tool modifies existing data (a clawmark annotation) in a reversible manner. It does not delete data (which would be Destructive), execute external code (Execute), or create financial obligations. The impact is limited to updating local metadata/bookmarks used for documentation and code exploration tracking, making this a Write operation with low severity.

From the tool's definition Tool name is 'update_clawmark' and description states 'Update an existing clawmark'. The server stores bookmarks and metadata in a local JSON file.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_clawmark Rate-limited

update_clawmark 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_clawmark": {
      "limits": [
        {
          "counter": "update_clawmark_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 Clawmarks, so you can run agents against it safely.

FAQ

Questions about update_clawmark

What does the update_clawmark tool do? +

Update an existing clawmark. It is categorised as a Write tool in the Clawmarks 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_clawmark? +

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

What risk level is update_clawmark? +

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

Can I rate-limit update_clawmark? +

Yes. Add a rate_limit block to the update_clawmark 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_clawmark completely? +

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

update_clawmark is provided by the Clawmarks MCP server (mrilikecoding/clawmarks). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.