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get_api_versions

Get all versions of an API

SERVERPostman SOURCEdelano/postman-mcp-server
Low RISK CLASS
Category Read
Parameters 00 required
Recommended Allowedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/delano-postman-mcp-server/get-api-versions.md

What get_api_versions does on Postman

AI agents call get_api_versions to retrieve information from Postman without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_api_versions is rated Low

This tool retrieves API version information from Postman. There is no indication that it modifies, deletes, executes, or has financial impact. It is a straightforward data retrieval operation with minimal blast radius if misused by an AI agent—worst case it exposes version metadata that is typically non-sensitive or already discoverable.

From the tool's definition Tool name 'get_api_versions' and description 'Get all versions of an API' indicate a retrieval operation with no side effects. The verb 'get' is a classic read operation that queries and returns data without modification.

Questions about get_api_versions

What does the get_api_versions tool do? +

Get all versions of an API. It is categorised as a Read tool in the Postman MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_api_versions? +

Register the Postman MCP server in PolicyLayer and add a rule for get_api_versions: 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 Postman. Nothing to install.

What risk level is get_api_versions? +

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

Can I rate-limit get_api_versions? +

Yes. Add a rate_limit block to the get_api_versions 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_api_versions completely? +

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

get_api_versions is provided by the Postman MCP server (delano/postman-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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