Updates preferred vendors.\r\n \r\n\r\n<strong>NOTE:</strong> Any field not included in the update request will be set to either an empty string or
AI agents use update_associations_vendors to create or update resources in Wpm Mcp Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Wpm Mcp Server environment.
This tool creates or modifies data (vendor associations) reversibly. It falls under Write rather than Destructive because updates are non-destructive and can be undone. However, the incomplete description and mention of automatic field zeroing raises concern about unintended data loss, warranting medium severity.
From the tool's definition Tool name 'update_associations_vendors' with description 'Updates preferred vendors' — modifies vendor association data.
Attacks that exploit this kind of access
Updates preferred vendors.\r\n \r\n\r\n<strong>NOTE:</strong> Any field not included in the update request will be set to either an empty string or. It is categorised as a Write tool in the Wpm Mcp Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Wpm Mcp Server MCP server in PolicyLayer and add a rule for update_associations_vendors: 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 Wpm Mcp Server. Nothing to install.
update_associations_vendors 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 update_associations_vendors 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 update_associations_vendors. 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.
update_associations_vendors is provided by the Wpm Mcp Server MCP server (wpm-mcp-server-mcp). 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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