Retrieve a single post by ID.
AI agents call get_post to retrieve information from Beehiiv 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 a single post from Beehiiv by its ID. The word 'Retrieve' and the function's purpose of fetching data without side effects clearly indicate a Read category tool. The severity is low as it merely accesses existing data. The confidence is high due to the explicit and unambiguous nature of the description.
From the tool's definition Tool name 'get_post' and description 'Retrieve a single post by ID' indicate a query operation that fetches data without modification.
Attacks that exploit this kind of access
Retrieve a single post by ID. It is categorised as a Read tool in the Beehiiv MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Beehiiv MCP Server MCP server in PolicyLayer and add a rule for get_post: 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 Beehiiv MCP Server. Nothing to install.
get_post 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_post 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_post. 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_post is provided by the Beehiiv MCP Server MCP server (reymerekar7/beehiiv-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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