This record as markdown: /tools/io-github-devopam-mcpg/partman-create-parent.md
What partman_create_parent does on Mcpg
AI agents use partman_create_parent to create or update resources in Mcpg, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcpg environment.
Why partman_create_parent is rated Medium
Without a description, classification relies on the tool name. 'partman_create_parent' appears to create a new parent partition object, which modifies the database schema reversibly. This is a Write operation rather than Read (no query-only behavior), Execute (no arbitrary code execution), or Destructive (partitions can be modified/dropped later).
From the tool's definition Tool name 'partman_create_parent' indicates creation of a parent partition management structure in PostgreSQL. The 'create' verb and 'parent' context (partition management) suggest data structure modification.
Attacks that exploit this kind of access
The rule that runs partman_create_parent safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcpg, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For partman_create_parent, this is the rule to start with:
partman_create_parent 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcpg, apply this rule, and every partman_create_parent call is checked against it from then on.
Questions about partman_create_parent
partman_create_parent is a write tool on the Mcpg MCP server. It is categorised as a Write tool in the Mcpg MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcpg MCP server in PolicyLayer and add a rule for partman_create_parent: 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 Mcpg. Nothing to install.
partman_create_parent 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 partman_create_parent 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 partman_create_parent. 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.
partman_create_parent is provided by the Mcpg MCP server (pypi:mcpg). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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