set_chart_filters

THE RISK

Medium Risk

Why set_chart_filters needs a policy

The tool modifies an existing chart's filter configuration. The word 'permanently updates' suggests the change is persistent and applied immediately, making it a Write operation with high severity since an AI agent could silently alter chart filters affecting data visibility for all users of that chart.

From the tool's definition 'Set data filters for a chart. This permanently updates the chart'

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

POLICY

How to control set_chart_filters

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 set_chart_filters:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_chart_filters": {
      "limits": [
        {
          "counter": "set_chart_filters_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

set_chart_filters 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.

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

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Superset tools

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All 31 Superset tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about set_chart_filters

What does the set_chart_filters tool do? +

Set data filters for a chart. This permanently updates the chart. It is categorised as a Write tool in the Superset MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_chart_filters? +

Register the Superset MCP server in PolicyLayer and add a rule for set_chart_filters: 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 set_chart_filters? +

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

Can I rate-limit set_chart_filters? +

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

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

set_chart_filters 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.

CHECK YOUR STACK →