Get all comments on a position
AI agents call list_position_comments to retrieve information from My Portfolio MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries existing comment data associated with a position without creating, modifying, deleting, or executing any operations. It is a straightforward read-only data retrieval function, making it low severity with high confidence.
From the tool's definition Tool name 'list_position_comments' and description 'Get all comments on a position' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get all comments on a position. It is categorised as a Read tool in the My Portfolio MCP Server MCP Server, which means it retrieves data without modifying state.
Register the My Portfolio MCP Server MCP server in PolicyLayer and add a rule for list_position_comments: 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 My Portfolio MCP Server. Nothing to install.
list_position_comments is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_position_comments 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 list_position_comments. 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.
list_position_comments is provided by the My Portfolio MCP Server MCP server (udaybhasker-ub/my-portfolio-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.
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