dsql_read_documentation

THE RISK

Low Risk

Why dsql_read_documentation needs a policy

This tool retrieves documentation content, which is a non-destructive, side-effect-free read operation. The blast radius of misuse is minimal since it can only expose already-published documentation. No data modification, code execution, deletion, or financial operations are possible.

From the tool's definition Tool name contains 'read' and description states 'Read specific DSQL documentation pages' - this is a read-only operation that retrieves documentation without modifying anything.

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

POLICY

How to control dsql_read_documentation

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

policy.json

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

dsql_read_documentation 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 Prometheus MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

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.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about dsql_read_documentation

What does the dsql_read_documentation tool do? +

Read specific DSQL documentation pages. It is categorised as a Read tool in the Prometheus MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on dsql_read_documentation? +

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

What risk level is dsql_read_documentation? +

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

Can I rate-limit dsql_read_documentation? +

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

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

dsql_read_documentation is provided by the Prometheus MCP Server MCP server (awslabs.prometheus-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Prometheus MCP Server tool call.

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

CHECK YOUR STACK →