openbci_stream · Openbci MCP: Risk & Policy

WHAT IT DOES

What openbci_stream does on Openbci

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

WHY IT NEEDS A POLICY

Why openbci_stream needs a policy

An AI agent can call openbci_stream faster than any human can review — one bad instruction and it creates or modifies resources in Openbci by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

openbci_stream Rate-limited

openbci_stream 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": {
    "openbci_stream": {
      "limits": [
        {
          "counter": "openbci_stream_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 Openbci, so you can run agents against it safely.

FAQ

Questions about openbci_stream

What does the openbci_stream tool do? +

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

How do I enforce a policy on openbci_stream? +

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

What risk level is openbci_stream? +

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

Can I rate-limit openbci_stream? +

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

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

openbci_stream is provided by the Openbci MCP server (sandraschi/openbci-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.