# Xn S7y Duan Online MCP server

Source: https://glimind.com/server/mcp-registry%2Fxn--3ds443g.xn--s7y%2Fduan-online
Registry id: `mcp-registry/xn--3ds443g.xn--s7y/duan-online`
Status: live (checked 2026-10-26T23:14:16.908Z)

## Verdict

Xn S7y Duan Online MCP server answered 99.92% of Glimind's liveness checks over 30 days, better than 31% of MCP servers, with 1316 ms median handshake and 2 outages in 90 days. Its agent-readiness grade is A (96/100) across 6 tools, costing an agent about 2,153 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 99.92% | 31% of MCP servers |
| Median handshake latency | 1316 ms | 12% of MCP servers |
| p95 handshake latency | 5952 ms | — |
| Checks in 30 days | 3,769 | — |
| Outages, 90 days | 2 | — |
| Median recovery | 8 min | — |
| Agent-readiness score | 96/100 (A) | 82% of MCP servers |
| Tools | 6 | — |
| Tool-list size for an agent | ~2,153 tokens | 51% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "xn-s7y-duan-online-mcp-server": {
      "type": "http",
      "url": "https://xn--s7y.xn--3ds443g/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http xn-s7y-duan-online-mcp-server https://xn--s7y.xn--3ds443g/mcp
```

## Tools (6)

- `begin_registration`: 客户端无法启动 OAuth 时的后备入口。返回浏览器注册链接。本工具不创建账号，不接收密码，也不代用户同意条款。 Fallback when the client cannot start OAuth. Returns a browser registration link. This tool does not cr
- `create_qr`: 为已有短链返回可扫描二维码。默认 PNG 512×512，并包含 image/png 图片块。仅当 format 为 svg 时返回 SVG，且不以 image 块返回。二维码中编码的是带有 ?s=qr 来源标记的短链接（使用 ASCII 域名），与 GET /v1/links/{id}/qr 返回的二维码内容一致。需
- `get_link`: 按 id 查询当前授权账号拥有的链接。需要已注册账号。无需账号的公开状态查询请使用 resolve_short_url。 Fetch one link by id, only a link owned by the signed-in account. A registered account is required.
- `resolve_short_url`: 查询本站短码或本站短链的已保存状态；仅 active 时返回目标地址。无需账号。不查询其他短链服务；查询结果不是安全检测结论。 Look up a 短.在线 code or short URL and return its saved state. The destination is returned only wh
- `shorten_url`: 为 HTTP 或 HTTPS 目标地址创建一条短链。需要已注册账号。返回链接状态；状态为 active 时，同时返回 Unicode 显示地址和 ASCII 地址。创建两条或更多短链时使用 shorten_urls。重试同一操作时，必须复用相同的 idempotency_key。 Create one HTTP or 
- `shorten_urls`: 一次同步创建 1 到 100 条短链。按 client_ref 对应结果，允许部分成功。需要已注册账号。批量重试只有三种情况，不要混用。示例：key 为 batch-1，两项 client_ref 分别为 notes（https://example.com/notes）和 draft（https://example.c

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.