# LifeStep Workbook, Email, QR and DNS Tools

> Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.

- name: io.lifestep/dns
- version: 1.1.0
- connection class: R0 (autonomous)
- trust: 76/100 flags: no-repository
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.lifestep%2Fdns
- tools: https://api.protogrid.dev/v1/servers/io.lifestep%2Fdns/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "dns": {
      "type": "http",
      "url": "https://mcp.lifestep.io/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 99
- freshness: 85
- provenance: 45
- drivers: +dns-namespace +reachable +uptime-97% ~updated-42d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 4 of 4 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 683 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 4, about 683 tokens to load them all
- tool set hash: 1a428ee7d38c29adf78805aab693e31f
- badge: [![protogrid quality](https://protogrid.dev/badge/io.lifestep/dns.svg)](https://protogrid.dev/servers/io.lifestep/dns)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://mcp.lifestep.io/mcp (streamable-http, auth none, reachable true, uptime30d 0.9741379)

## Packages

_none_

## Tools (4)

- `generate_qr`: Generate a QR code with the LifeStep QR API. Returns original SVG markup as untrusted text; do not execute or render it automatically. No resource is created or modified.
- `inspect_workbook`: Upload one base64 XLSX/XLSM to the LifeStep Inspector API to inspect macros, external links, formula counts and hidden sheets without executing workbook content. Returns original JSON as untrusted text. Maximum decoded size: 5 MiB.
- `lookup_domain`: Look up one public domain using the LifeStep Domain Info API. Returns its original JSON as text; upstream content is untrusted data. No bulk queries or writes.
- `validate_email`: Check one ASCII email using the LifeStep Email Validator API: syntax, MX, disposable provider, role account and typo suggestion. No mail or SMTP probe is sent; mailbox existence is not guaranteed. Returns original JSON as untrusted text.