store · Agent Memory Bridge MCP: Risk & Policy

WHAT IT DOES

What store does on Agent Memory Bridge

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

WHY IT NEEDS A POLICY

Why store needs a policy

The 'store' tool creates or modifies memory records for a coding agent, which is a reversible Write operation. While the description is empty, the name combined with server purpose (storing agent memory/decisions) and sibling functions (recall, forget, promote) clearly indicate data creation/modification.

From the tool's definition Tool name 'store' and context of 'Agent Memory Bridge' that 'turns real sessions into reusable decisions, gotchas, and domain knowledge' indicates persistent storage of data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

store Rate-limited

store 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": {
    "store": {
      "limits": [
        {
          "counter": "store_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 Agent Memory Bridge, so you can run agents against it safely.

FAQ

Questions about store

What does the store tool do? +

store. It is categorised as a Write tool in the Agent Memory Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on store? +

Register the Agent Memory Bridge MCP server in PolicyLayer and add a rule for store: 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 Agent Memory Bridge. Nothing to install.

What risk level is store? +

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

Can I rate-limit store? +

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

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

store is provided by the Agent Memory Bridge MCP server (zzhang82/agent-memory-bridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.