Generate a new API key for a user
AI agents use planka_create_user_api_key to create or update resources in Planka MCP Server for Claude — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Planka MCP Server for Claude environment.
This tool creates a new API key, which is a reversible write action (keys can be revoked/deleted). However, severity is elevated to 'high' because API keys grant persistent authentication access—if an AI agent generates keys without proper safeguards, it could create unintended credentials that expose the Planka instance to unauthorized access.
From the tool's definition Tool name 'planka_create_user_api_key' and description 'Generate a new API key for a user' indicate the tool creates a new authentication credential.
Attacks that exploit this kind of access
Generate a new API key for a user. It is categorised as a Write tool in the Planka MCP Server for Claude MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Planka MCP Server for Claude MCP server in PolicyLayer and add a rule for planka_create_user_api_key: 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 Planka MCP Server for Claude. Nothing to install.
planka_create_user_api_key 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 planka_create_user_api_key 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 planka_create_user_api_key. 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.
planka_create_user_api_key is provided by the Planka MCP Server for Claude MCP server (nextheberg/planka-mcp-server-for-claude). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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