List posts that have already been published. Sorted by publish date, most recent first. Each post includes engagement metrics if available. Use this for
AI agents call list_published_posts to retrieve information from Viraly 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 published posts and their metrics. It performs no write operations, does not execute code or commands, does not delete data, and involves no financial transactions. The operation is purely informational and read-only, making it the lowest severity category.
From the tool's definition Tool name 'list_published_posts' and description 'List posts that have already been published' with 'engagement metrics' indicates data retrieval without modification or deletion. No side effects on data.
Attacks that exploit this kind of access
List posts that have already been published. Sorted by publish date, most recent first. Each post includes engagement metrics if available. Use this for. It is categorised as a Read tool in the Viraly MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Viraly MCP Server MCP server in PolicyLayer and add a rule for list_published_posts: 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 Viraly MCP Server. Nothing to install.
list_published_posts 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_published_posts 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_published_posts. 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_published_posts is provided by the Viraly MCP Server MCP server (viraly-io/viraly-mcp-server). 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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