get_collection_roles

Get roles for a collection

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-collection-roles.md

WHAT IT DOES

What get_collection_roles does on Postman

AI agents call get_collection_roles 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.

RISK

Why get_collection_roles is rated Low

This tool retrieves role information associated with a collection. It performs a read-only query without creating, modifying, deleting, or executing any operations. The 'get' verb combined with a passive description confirms it is a safe read operation with minimal blast radius if misused by an AI agent.

From the tool's definition Tool name 'get_collection_roles' and description 'Get roles for a collection' indicate a retrieval/query operation with no modification of data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_collection_roles safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Postman, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_collection_roles, this is the rule to start with:

get_collection_roles Allowed

get_collection_roles is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Postman, apply this rule, and every get_collection_roles call is checked against it from then on.

FAQ

Questions about get_collection_roles

What does the get_collection_roles tool do? +

Get roles for a collection. 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_collection_roles? +

Register the Postman MCP server in PolicyLayer and add a rule for get_collection_roles: 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_collection_roles? +

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

Can I rate-limit get_collection_roles? +

Yes. Add a rate_limit block to the get_collection_roles 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_collection_roles completely? +

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

get_collection_roles 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.

KEEP EXPLORING

What get_collection_roles does on Postman

Why get_collection_roles is rated Low

The rule that runs get_collection_roles safely

Questions about get_collection_roles

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