# Usefulapi Dnsimple MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.usefulapi%2Fdnsimple
Registry id: `mcp-registry/io.usefulapi/dnsimple`
Status: auth-required (checked 2026-10-27T08:34:03.831Z)

## Verdict

Usefulapi Dnsimple MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 65 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (96/100) across 12 tools, costing an agent about 2,111 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 65 ms | 88% of MCP servers |
| p95 handshake latency | 373 ms | — |
| Checks in 30 days | 218 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 96/100 (A) | 82% of MCP servers |
| Tools | 12 | — |
| Tool-list size for an agent | ~2,111 tokens | 51% of MCP servers |
| Days observed | 28 | — |

## Install

```json
{
  "mcpServers": {
    "usefulapi-dnsimple-mcp-server": {
      "type": "http",
      "url": "https://dnsimple.usefulapi.io/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http usefulapi-dnsimple-mcp-server https://dnsimple.usefulapi.io/mcp
```

## Tools (12)

- `dnsimple_check_domain`: Check whether a domain is available to register. Returns { domain, available, premium }. API: GET /{account}/registrar/domains/{domain}/check.
- `dnsimple_create_zone_record`: Create a new DNS record in a zone. Additive — it adds a record without touching existing ones. API: POST /{account}/zones/{zone}/records.
- `dnsimple_delete_zone_record`: Delete a DNS record from a zone. WARNING: permanently removes a live DNS record. API: DELETE /{account}/zones/{zone}/records/{record}. Returns 204 (no body).
- `dnsimple_get_domain`: Retrieve a single domain by name or id. API: GET /{account}/domains/{domain}.
- `dnsimple_get_domain_prices`: Retrieve the registration, renewal, and transfer prices for a domain. API: GET /{account}/registrar/domains/{domain}/prices.
- `dnsimple_get_zone_record`: Retrieve a single DNS record in a zone by its numeric id. API: GET /{account}/zones/{zone}/records/{record}.
- `dnsimple_list_contacts`: List the contacts in the account (used as domain registrants). API: GET /{account}/contacts.
- `dnsimple_list_domains`: List the domains in the account, with pagination and optional filters. API: GET /{account}/domains.
- `dnsimple_list_zone_records`: List the DNS records in a zone, with pagination and optional filters. API: GET /{account}/zones/{zone}/records.
- `dnsimple_list_zones`: List the DNS zones in the account, with pagination and optional filters. API: GET /{account}/zones.
- `dnsimple_update_zone_record`: Update an existing DNS record. WARNING: mutates LIVE DNS — changing content/ttl takes effect for real resolution. Only the fields you provide are sent. API: PAT
- `dnsimple_whoami`: Identify the authenticated account/user for the current API token. Use this to discover your account id (data.account.id). API: GET /whoami.

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