Generate a Zi Wei Dou Shu birth chart from Gregorian birth date, birth hour, gender, and locale.
AI agents call get_astrolabe to retrieve information from iztro OpenAI MCP for Railway without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool reads or generates astrological chart data deterministically from provided inputs without altering any persistent state, creating reversible records, executing arbitrary code, or affecting financial/system resources. It is purely informational and falls squarely into the Read category with minimal risk.
From the tool's definition Tool generates and retrieves a Zi Wei Dou Shu birth chart based on input parameters (birth date, hour, gender, locale).
Attacks that exploit this kind of access
Generate a Zi Wei Dou Shu birth chart from Gregorian birth date, birth hour, gender, and locale. It is categorised as a Read tool in the iztro OpenAI MCP for Railway MCP Server, which means it retrieves data without modifying state.
Register the iztro OpenAI MCP for Railway MCP server in PolicyLayer and add a rule for get_astrolabe: 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 iztro OpenAI MCP for Railway. Nothing to install.
get_astrolabe 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_astrolabe 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_astrolabe. 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_astrolabe is provided by the iztro OpenAI MCP for Railway MCP server (snapyharry-potter/iztro-openai-mcp-railway). 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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