knitbrain_team_post · Knitbrain MCP: Risk & Policy

WHAT IT DOES

What knitbrain_team_post does on Knitbrain

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

WHY IT NEEDS A POLICY

Why knitbrain_team_post needs a policy

This tool creates/writes new data (a finding/post) to a shared team board. It is reversible (recoverable compressed storage implies no permanent deletion), so it does not qualify as Destructive.

From the tool's definition Tool description states 'Post a finding to the shared team board' — the verb 'post' indicates creation of new content on a shared resource. The note that data is 'stored compressed; full original recoverable' confirms data is being persisted, not merely read.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

knitbrain_team_post Rate-limited

knitbrain_team_post 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": {
    "knitbrain_team_post": {
      "limits": [
        {
          "counter": "knitbrain_team_post_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 Knitbrain, so you can run agents against it safely.

FAQ

Questions about knitbrain_team_post

What does the knitbrain_team_post tool do? +

Post a finding to the shared team board (stored compressed; full original recoverable). It is categorised as a Write tool in the Knitbrain MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on knitbrain_team_post? +

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

What risk level is knitbrain_team_post? +

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

Can I rate-limit knitbrain_team_post? +

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

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

knitbrain_team_post is provided by the Knitbrain MCP server (pdgit12/knitbrain). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.