remember_update_relationship · Remember MCP: Risk & Policy

WHAT IT DOES

What remember_update_relationship does on Remember

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

WHY IT NEEDS A POLICY

Why remember_update_relationship needs a policy

This tool modifies existing data within the memory system but does not delete or permanently remove records. The updates are reversible (prior versions tracked via version incrementing), and the blast radius is bounded to relationship metadata updates within a multi-tenant context.

From the tool's definition Tool name contains 'update' and description states it performs 'partial updates' to relationship data, including relationship_type, observation, strength, confidence, and tags. Automatically manages version control and timestamps on modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

remember_update_relationship Rate-limited

remember_update_relationship 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": {
    "remember_update_relationship": {
      "limits": [
        {
          "counter": "remember_update_relationship_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 Remember, so you can run agents against it safely.

FAQ

Questions about remember_update_relationship

What does the remember_update_relationship tool do? +

Update an existing relationship with partial updates. Supports updating relationship_type, observation, strength, confidence, and tags. Version number is automatically incremented and updated_at is set. Only provided fields are updated (partial updates supported). Examples: -. It is categorised as a Write tool in the Remember MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on remember_update_relationship? +

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

What risk level is remember_update_relationship? +

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

Can I rate-limit remember_update_relationship? +

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

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

remember_update_relationship is provided by the Remember MCP server (@prmichaelsen/remember-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.