get_historical_rankings

THE RISK

Low Risk

Why get_historical_rankings needs a policy

This tool retrieves historical ranking data from the ASO database without modifying, deleting, or executing any operations. It is a read-only query operation on app store performance metrics. There is no financial transaction, code execution, or data destruction involved. The blast radius of misuse is limited to potential information disclosure of competitive app store data, which is low severity.

From the tool's definition Tool name is 'get_historical_rankings' and description states 'Get historical ranking data for keywords'. The verb 'get' and lack of any modification language indicate a retrieval operation.

Documented attack patterns abuse exactly the kind of access get_historical_rankings gives an agent:

POLICY

How to control get_historical_rankings

PolicyLayer is an MCP gateway — it sits between your AI agents and Astro MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_historical_rankings:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_historical_rankings": {}
  }
}

get_historical_rankings is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Astro MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More Astro MCP Server tools

Read analyze_competitive_landscape Analyze the competitive landscape for an app, including top competitors and market share w Read calculate_keyword_opportunity Calculate opportunity scores for keywords based on difficulty, popularity, and competition Read compare_rankings Compare keyword rankings between two dates Read detect_ranking_anomalies Detect sudden ranking changes and anomalies that need attention Read find_low_competition_keywords Find keywords with low competition and good opportunity scores Read get_app_keywords Get all keywords tracked for a specific app Read get_app_ratings Get app rating history Read get_keyword_competitors Get competing apps that rank for a specific keyword with app categories

All 15 Astro MCP Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_historical_rankings

What does the get_historical_rankings tool do? +

Get historical ranking data for keywords. It is categorised as a Read tool in the Astro MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_historical_rankings? +

Register the Astro MCP Server MCP server in PolicyLayer and add a rule for get_historical_rankings: 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 Astro MCP Server. Nothing to install.

What risk level is get_historical_rankings? +

get_historical_rankings is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_historical_rankings? +

Yes. Add a rate_limit block to the get_historical_rankings 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.

How do I block get_historical_rankings completely? +

Set action: deny in the PolicyLayer policy for get_historical_rankings. 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.

What MCP server provides get_historical_rankings? +

get_historical_rankings is provided by the Astro MCP Server MCP server (timbroddin/astro-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Astro MCP Server tool call.

Start from Astro MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →