AI agents call get_x_posting_quota to retrieve information from Posterly without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries quota status and usage metrics for a workspace. It retrieves existing data without creating, modifying, deleting, or executing operations. The action is purely informational, consistent with the Read category (retrieve or query data; no side effects).
From the tool's definition Tool name and description indicate data retrieval: 'Get managed X posting quota' returns quota information (total allowance, used posts, remaining posts, URL-blocking status) with no modification or side effects.
Attacks that exploit this kind of access
Get managed X posting quota for a workspace, including total monthly allowance, used posts, remaining posts, and URL-blocking status. It is categorised as a Read tool in the Posterly MCP Server, which means it retrieves data without modifying state.
Register the Posterly MCP server in PolicyLayer and add a rule for get_x_posting_quota: 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 Posterly. Nothing to install.
get_x_posting_quota 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 get_x_posting_quota 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 get_x_posting_quota. 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.
get_x_posting_quota is provided by the Posterly MCP server (posterly-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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