List posts on PostEverywhere with the FULL set of filters available on the API (since June 2026). Like list_posts but accepts comma-separated multi-status (e.g.
AI agents call list_posts_advanced to retrieve information from Posteverywhere without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and filters existing posts from PostEverywhere without creating, modifying, deleting, or executing any operations. It is purely a data retrieval function with no side effects.
From the tool's definition Tool name 'list_posts_advanced' and description explicitly states 'List posts' with filtering capabilities. The verb 'list' is a query operation that retrieves data without modification.
Attacks that exploit this kind of access
List posts on PostEverywhere with the FULL set of filters available on the API (since June 2026). Like list_posts but accepts comma-separated multi-status (e.g. It is categorised as a Read tool in the Posteverywhere MCP Server, which means it retrieves data without modifying state.
Register the Posteverywhere MCP server in PolicyLayer and add a rule for list_posts_advanced: 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 Posteverywhere. Nothing to install.
list_posts_advanced 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_posts_advanced 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_posts_advanced. 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_posts_advanced is provided by the Posteverywhere MCP server (posteverywhere/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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