subscribe_tier

Subscribe to a paid tier

SERVERObsidian Elite RAG MCP Server SOURCEaegntic/aegntic-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aegntic-aegntic-mcp/subscribe-tier.md

WHAT IT DOES

What subscribe_tier does on Obsidian Elite RAG MCP Server

AI agents use subscribe_tier to commit financial operations through Obsidian Elite RAG MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why subscribe_tier is rated Critical

This tool initiates a paid subscription, which constitutes a financial commitment. Misuse by an AI agent could result in unauthorized financial charges, making it Financial category with critical severity.

From the tool's definition Subscribe to a paid tier

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs subscribe_tier safely

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

subscribe_tier Approval-gated

Any call to subscribe_tier is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "subscribe_tier": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Obsidian Elite RAG MCP Server, apply this rule, and every subscribe_tier call is checked against it from then on.

FAQ

Questions about subscribe_tier

What does the subscribe_tier tool do? +

Subscribe to a paid tier. It is categorised as a Financial tool in the Obsidian Elite RAG MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on subscribe_tier? +

Register the Obsidian Elite RAG MCP Server MCP server in PolicyLayer and add a rule for subscribe_tier: 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 Obsidian Elite RAG MCP Server. Nothing to install.

What risk level is subscribe_tier? +

subscribe_tier is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit subscribe_tier? +

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

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

subscribe_tier is provided by the Obsidian Elite RAG MCP Server MCP server (aegntic/aegntic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Obsidian Elite RAG MCP Server, and thousands of servers like it.

This server

All 135 Obsidian Elite RAG MCP Server tools → Critical-risk tools on this server →

Across the catalogue

web3_subscribe on 0xarchive →subscribe_ltp on Groww MCP Server → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →