Low Risk

find_similar_apis

Discover alternative and related APIs. Finds APIs with similar functionality, modern replacements for deprecated APIs, and platform-specific alternatives. Perfect when looking for better ways to implement functionality.

How to control find_similar_apis ↓

What find_similar_apis does on Apple Docs MCP

AI agents call find_similar_apis to retrieve information from Apple Docs MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why find_similar_apis needs a policy

This tool queries and returns information about APIs without modifying, deleting, or executing any code. It is a search/discovery function that reads from Apple's documentation database. The operation is read-only with no capability to alter data, execute commands, or cause system changes.

From the tool's definition Tool performs discovery and lookup operations: 'Discover alternative and related APIs', 'Finds APIs with similar functionality', 'modern replacements'. These are retrieval operations with no side effects.

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

How to control find_similar_apis

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "find_similar_apis": {}
  }
}

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

  1. Create a free account and register Apple Docs MCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about find_similar_apis

What does the find_similar_apis tool do? +

Discover alternative and related APIs. Finds APIs with similar functionality, modern replacements for deprecated APIs, and platform-specific alternatives. Perfect when looking for better ways to implement functionality. It is categorised as a Read tool in the Apple Docs MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on find_similar_apis? +

Register the Apple Docs MCP server in PolicyLayer and add a rule for find_similar_apis: 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 Apple Docs MCP. Nothing to install.

What risk level is find_similar_apis? +

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

Can I rate-limit find_similar_apis? +

Yes. Add a rate_limit block to the find_similar_apis 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 find_similar_apis completely? +

Set action: deny in the PolicyLayer policy for find_similar_apis. 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 find_similar_apis? +

find_similar_apis is provided by the Apple Docs MCP server (kimsungwhee/apple-docs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Apple Docs MCP tool call.

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

Free to start. No card required.

18 Apple Docs MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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