Add a collaborator to a site.
AI agents use pressable_add_collaborator to create or update resources in Pressable MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pressable MCP Server environment.
Adding a collaborator to a site creates a new permission or user role assignment, which is a reversible Write operation. It modifies site access control but does not execute code, delete data, or move money. The severity is medium because granting unauthorized access could compromise site security or enable unauthorized changes, but the action itself is reversible by removing the collaborator.
From the tool's definition The tool name is 'pressable_add_collaborator' and description states 'Add a collaborator to a site.' This is a creation/modification action that grants access or permissions to a WordPress site.
Attacks that exploit this kind of access
Add a collaborator to a site. It is categorised as a Write tool in the Pressable MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Pressable MCP Server MCP server in PolicyLayer and add a rule for pressable_add_collaborator: 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 Pressable MCP Server. Nothing to install.
pressable_add_collaborator 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 pressable_add_collaborator 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 pressable_add_collaborator. 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.
pressable_add_collaborator is provided by the Pressable MCP Server MCP server (pcwprops/pressable-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
pressable_add_collaborator is one line of Pressable MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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