update_chart

SERVERQuintaDB SOURCEhttps://quintadb.com/mcp

Medium RISK CLASS

Category Write

Parameters 72 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-quintadb-mcp/update-chart.md

WHAT IT DOES

What update_chart does on QuintaDB

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

Parameter	Type	Required	Description
`app_id`	string	Yes	Project ID (from list_projects)
`chart_id`	string	Yes
`new_name`	string	—
`type_code`	string	—	pie, doughnut, line, area, bar, column, scatter
`y_axis_title`	string	—
`add_data_sources`	array	—	Series to ADD to the ones the chart has
`remove_data_source_ids`	array	—	Ids of the series to remove, from list_charts

Parameters from the server's own tool schema.

RISK

Why update_chart is rated Medium

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

Risk signalsHigh parameter count (12 properties) · Bulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_chart safely

PolicyLayer is an MCP gateway: it sits between your AI agents and QuintaDB, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_chart, this is the rule to start with:

update_chart Rate-limited

update_chart 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": {
    "update_chart": {
      "limits": [
        {
          "counter": "update_chart_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect QuintaDB, apply this rule, and every update_chart call is checked against it from then on.

FAQ

Questions about update_chart

What does the update_chart tool do? +

Change a chart: its name, its type (pie, doughnut, line, area, bar, column, scatter) or the title of its vertical axis. Pass only what changes. add_data_sources adds series and remove_data_source_ids removes series by the ids list_charts shows (798); every other series stays as it is. To change one series: remove it and add the new one in the same call. It does NOT change the horizontal axis (what the values are grouped by): for that create the chart you want with create_chart, then remove this one with delete_chart. Ids come from list_charts. It is categorised as a Write tool in the QuintaDB MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does update_chart accept? +

update_chart accepts 7 parameters: app_id, chart_id, new_name, type_code, y_axis_title, add_data_sources, remove_data_source_ids. Required: app_id, chart_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on update_chart? +

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

What risk level is update_chart? +

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

Can I rate-limit update_chart? +

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

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

update_chart is provided by the QuintaDB MCP server (https://quintadb.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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