store_data · Cryptosense MCP: Risk & Policy

WHAT IT DOES

What store_data does on Cryptosense

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

WHY IT NEEDS A POLICY

Why store_data needs a policy

The name 'store_data' strongly suggests a Write operation (creating or persisting data). However, with no description available, the exact behavior is unknown. Given the server context (crypto market intelligence, portfolio tracking), this could store user portfolio data or preferences. Confidence is low due to the empty description.

From the tool's definition Tool name 'store_data' implies writing/storing data, but the description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

store_data Rate-limited

store_data 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_data": {
      "limits": [
        {
          "counter": "store_data_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 Cryptosense, so you can run agents against it safely.

FAQ

Questions about store_data

What does the store_data tool do? +

store_data. It is categorised as a Write tool in the Cryptosense 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_data? +

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

What risk level is store_data? +

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

Can I rate-limit store_data? +

Yes. Add a rate_limit block to the store_data 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_data completely? +

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

store_data is provided by the Cryptosense MCP server (josephibra/cryptosense-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.