maker_get_session_context

THE RISK

Low Risk

Why maker_get_session_context needs a policy

This tool retrieves session context information for the companion without modifying, executing, or deleting anything. The non-destructive, read-only nature and the emphasis on non-PII data limits the potential blast radius to information disclosure of non-sensitive context. Classified as Read with low severity.

From the tool's definition Tool name 'maker_get_session_context' and description 'Return non-PII context the companion' indicate retrieval of session context data without side effects.

Documented attack patterns abuse exactly the kind of access maker_get_session_context gives an agent:

POLICY

How to control maker_get_session_context

PolicyLayer is an MCP gateway — it sits between your AI agents and Crow, and nothing reaches the server without passing your rules. This is the rule we recommend for maker_get_session_context:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "maker_get_session_context": {}
  }
}

maker_get_session_context is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Crow — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
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FAQ

Questions about maker_get_session_context

What does the maker_get_session_context tool do? +

Return non-PII context the companion. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on maker_get_session_context? +

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

What risk level is maker_get_session_context? +

maker_get_session_context is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit maker_get_session_context? +

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

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

maker_get_session_context is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Crow tool call.

Start from Crow, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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