Update Bar chart sort settings with the normalized public contract.
Risk signalsHandles credentials or secrets (sessionSnapshot.datasetSchema.fields[].token) · High parameter count (118 properties)
Part of the Tabula MCP server.
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AI agents use set_bar_sort to create or modify resources in Tabula MCP. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call set_bar_sort repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Tabula MCP.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"set_bar_sort": {
"limits": [
{
"counter": "set_bar_sort_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Tabula MCP policy for all 15 tools.
These attack patterns abuse exactly the kind of access set_bar_sort gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Update Bar chart sort settings with the normalized public contract.. It is categorised as a Write tool in the Tabula MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Tabula MCP server in PolicyLayer and add a rule for set_bar_sort: 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 Tabula MCP. Nothing to install.
set_bar_sort is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_bar_sort 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.
Set action: deny in the PolicyLayer policy for set_bar_sort. 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.
set_bar_sort is provided by the Tabula MCP server (https://www.tabula.click/api/mcp/stream). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 15 Tabula MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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