teammate_update_context · Claude Flow MCP: Risk & Policy

WHAT IT DOES

What teammate_update_context does on Claude Flow

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

WHY IT NEEDS A POLICY

Why teammate_update_context needs a policy

This tool creates or modifies data (team shared context) in a reversible manner. It does not delete data (Destructive), execute arbitrary code (Execute), move money (Financial), or merely read (Read). The 'update' operation is characteristic of Write category.

From the tool's definition Tool name contains 'update' and description states 'Update team shared context', indicating modification of shared state without irreversible deletion.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

teammate_update_context Rate-limited

teammate_update_context 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": {
    "teammate_update_context": {
      "limits": [
        {
          "counter": "teammate_update_context_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 Claude Flow, so you can run agents against it safely.

FAQ

Questions about teammate_update_context

What does the teammate_update_context tool do? +

Update team shared context. It is categorised as a Write tool in the Claude Flow MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on teammate_update_context? +

Register the Claude Flow MCP server in PolicyLayer and add a rule for teammate_update_context: 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 Claude Flow. Nothing to install.

What risk level is teammate_update_context? +

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

Can I rate-limit teammate_update_context? +

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

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

teammate_update_context is provided by the Claude Flow MCP server (claude-flow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.