save · Cryptosense MCP: Risk & Policy

WHAT IT DOES

What save does on Cryptosense

AI agents use save 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 save needs a policy

The tool name 'save' typically indicates a write operation that creates or modifies data reversibly. Given the server context (crypto market intelligence with portfolio/expense tracking features like 'add_expense'), 'save' likely persists user data. Without a description, confidence is moderate.

From the tool's definition Tool name 'save' suggests data persistence or storage operations; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

save Rate-limited

save 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": {
    "save": {
      "limits": [
        {
          "counter": "save_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 save

What does the save tool do? +

save. 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 save? +

Register the Cryptosense MCP server in PolicyLayer and add a rule for save: 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 save? +

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

Can I rate-limit save? +

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

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

save 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.