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remnawave-mcp

by TrackLine
OverviewSchemaRelated ServersScoreDiscussions
TypeScript
Remote

subscription_info

Retrieve subscription details using a short UUID to access account information and service status for VPN panel management.

Instructions

Get subscription info by short UUID (public endpoint)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
shortUuidYesShort UUID

Implementation Reference

  • src/client/index.ts:233-235 (handler)
    The actual implementation of the getSubscriptionInfo client method used by the tool.
    async getSubscriptionInfo(shortUuid: string) {
    return this.get(REST_API.SUBSCRIPTION.GET_INFO(shortUuid));
}
  • src/tools/subscriptions.ts:77-90 (registration)
    The registration and tool handler for the 'subscription_info' MCP tool.
    server.tool(
    'subscription_info',
    'Get subscription info by short UUID (public endpoint)',
    {
        shortUuid: z.string().describe('Short UUID'),
    },
    async ({ shortUuid }) => {
        try {
            const result =
                await client.getSubscriptionInfo(shortUuid);
            return toolResult(result);
        } catch (e) {
            return toolError(e);
        }

Tool Definition Quality

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries full burden. It mentions 'public endpoint' which hints at accessibility, but doesn't disclose critical behavioral traits like authentication requirements, rate limits, error handling, or what specific subscription information is returned. For a tool with no annotation coverage, this leaves significant gaps.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, efficient sentence with zero waste. It's appropriately sized for a simple lookup tool and front-loads the essential information (action, resource, input method).

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no annotations and no output schema, the description is incomplete. It doesn't explain what subscription information is returned, error conditions, or how this tool differs from similar siblings. For a tool in a context with many alternatives, this leaves the agent guessing about appropriate use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description adds minimal value beyond the input schema, which has 100% coverage. It mentions 'short UUID' but doesn't clarify format, length, or examples. With high schema coverage, the baseline is 3, but the description doesn't compensate with additional semantic context.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('Get') and resource ('subscription info'), and specifies the input method ('by short UUID') and access type ('public endpoint'). However, it doesn't explicitly differentiate from sibling tools like 'subscriptions_get_by_short_uuid' which appears to serve a similar purpose, preventing a perfect score.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives. With multiple sibling tools for subscription retrieval (e.g., 'subscriptions_get_by_short_uuid', 'subscriptions_get_by_username', 'subscriptions_list'), there's no indication of which tool to choose for different scenarios or any prerequisites for use.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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