Low Risk

list_charts

Get list of all charts in Superset with optional filtering, sorting, and pagination. Uses Rison or JSON query parameters for filtering, sorting, pagination and for selecting specific columns and metadata.

How to control list_charts ↓

What list_charts does on Superset

AI agents call list_charts to retrieve information from Superset without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why list_charts needs a policy

This tool retrieves and queries existing chart data without any side effects. It performs a simple list/get operation with optional filtering and sorting, which are characteristic of Read category tools. The blast radius is minimal—worst case, an AI agent gains visibility into available charts.

From the tool's definition Tool name is 'list_charts' and description states 'Get list of all charts in Superset' with 'filtering, sorting, and pagination' — all read-only operations. No create, modify, delete, or execute operations are described.

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

How to control list_charts

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_charts": {}
  }
}

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

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

Go deeper

Questions about list_charts

What does the list_charts tool do? +

Get list of all charts in Superset with optional filtering, sorting, and pagination. Uses Rison or JSON query parameters for filtering, sorting, pagination and for selecting specific columns and metadata. It is categorised as a Read tool in the Superset MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_charts? +

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

What risk level is list_charts? +

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

Can I rate-limit list_charts? +

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

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

list_charts is provided by the Superset MCP server (winding2020/superset-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Superset tool call.

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

Free to start. No card required.

31 Superset tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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