Zylvie MCP by usefulapi MCP Server

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answering

Zylvie MCP by usefulapi is answering right now. Last checked 5 min ago. It exposes 4 tools. Last commit 1 Nov 2026.

Review Zylvie coupons, sales transactions and subscriptions.

Uptime history 39 hours of history

39 hours agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

210 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 31 October 2026. No other catalogue keeps this.

31 Oct a tool changed version4 times that day

and 3 more, back to 31 October 2026

Nothing serious here today

Today is the operative word: we check Zylvie MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add zylvie --transport http https://zylvie.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://zylvie.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.zylvie]
url = "https://zylvie.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "zylvie": {
      "url": "https://zylvie.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "zylvie": {
      "type": "http",
      "url": "https://zylvie.usefulapi.io/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

zylvie

zylvie_get_account

Authenticating account email and brand. Billing identity is per API key, not this email or brand. Read-only.

zylvie_list_coupons

All active coupons, or archived coupons when archived is true, with discount terms and redemption counts. This list is not paginated. Read-only.

zylvie_list_subscriptions

Subscription status, amount, cancellation/trial dates, product and buyer name/email, newest first. Amounts are major currency units, unlike the separate verify-subscription API. An active subscription may have cancel_at set. Excludes addresses, phone/card/bank details and custom fields. Read-only.

zylvie_list_transactions

Transaction amounts, payment/refund status, buyer name/email and product summaries, newest first. Amounts are in major currency units; refunded false can include partial refunds. Excludes addresses, phone/card/bank details and custom fields. Read-only.

Endpoints

URL	Transport	State	Latency	Checked
https://zylvie.usefulapi.io/mcp	streamable-http	answering	182 ms	5 min ago

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Zylvie MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Zylvie MCP by usefulapi do?

It exposes 4 tools, read directly from the server on our last check. Among them: zylvie_get_account, zylvie_list_coupons, zylvie_list_subscriptions, zylvie_list_transactions. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Zylvie MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 210 ms. The bar chart above shows every period we have measured.

How do I connect Zylvie MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Zylvie MCP by usefulapi need an API key?

No. Zylvie MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Zylvie MCP by usefulapi?

It answers our handshake in 210 ms on average, which is faster than 67% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Zylvie MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at zylvie.usefulapi.io, which runs on its operator's own terms.