add_features_batch · Sablier MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_features_batch does on Sablier MCP Server

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

WHY IT NEEDS A POLICY

Why add_features_batch needs a policy

The 'add_' prefix indicates data creation/modification rather than querying (Read), executing arbitrary operations (Execute), or permanent deletion (Destructive). Without a description, confidence is moderate.

From the tool's definition Tool name 'add_features_batch' suggests batch creation/modification of features. The description is empty, which reduces confidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_features_batch Rate-limited

add_features_batch 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": {
    "add_features_batch": {
      "limits": [
        {
          "counter": "add_features_batch_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Sablier MCP Server, so you can run agents against it safely.

FAQ

Questions about add_features_batch

What does the add_features_batch tool do? +

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

How do I enforce a policy on add_features_batch? +

Register the Sablier MCP Server MCP server in PolicyLayer and add a rule for add_features_batch: 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 Sablier MCP Server. Nothing to install.

What risk level is add_features_batch? +

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

Can I rate-limit add_features_batch? +

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

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

add_features_batch is provided by the Sablier MCP Server MCP server (sablier-ai/sablier-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.