# Privatebydefault Default Privacy MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.privatebydefault%2Fdefault-privacy
Registry id: `mcp-registry/io.github.privatebydefault/default-privacy`
Status: live (checked 2026-10-27T06:04:53.714Z)

## Verdict

Privatebydefault Default Privacy MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 396 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (93/100) across 19 tools, costing an agent about 3,869 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 | 396 ms | 54% of MCP servers |
| p95 handshake latency | 2430 ms | — |
| Checks in 30 days | 5,057 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 93/100 (A) | 75% of MCP servers |
| Tools | 19 | — |
| Tool-list size for an agent | ~3,869 tokens | 42% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "privatebydefault-default-privacy-mcp-ser": {
      "type": "http",
      "url": "https://defaultprivacy.com/api/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http privatebydefault-default-privacy-mcp-ser https://defaultprivacy.com/api/mcp
```

## Tools (19)

- `dp_check_domain_breaches`: Check whether a domain appears in known public data breaches (via the Have I Been Pwned breach catalog). Returns matching breaches with dates, exposed data clas
- `dp_check_email_security`: Check a domain's email authentication posture — SPF, DKIM, and DMARC DNS records — and return an A–F grade with explanations. Read-only DNS lookups; no email is
- `dp_check_mcp_server`: Before connecting an MCP server, check whether it is in Default Privacy's vetted list and what it can read or change. Give its repository URL, server URL, name 
- `dp_check_whois_privacy`: Look up a domain's public WHOIS/RDAP registration record and flag exposed personal identity fields (registrant name, email, phone, address). Read-only RDAP look
- `dp_compare_tools`: Fetch the full Privacy Protocol records for 2–5 tools by slug for side-by-side comparison (DP pick, jurisdiction, encryption, PII requirements), each with `sour
- `dp_find_alternatives`: Use when a user wants to replace a mainstream product: consumer apps and services (Gmail, WhatsApp, Chrome, Google Drive, Zoom, LastPass, Windows…) or a website
- `dp_get_glossary_term`: Fetch a single glossary term's full definition and content by slug.
- `dp_get_guide`: Fetch one guide by slug. By default returns its summary, its section headings and its short checked FAQ answers, not the whole text. Pass section (one of the he
- `dp_get_related_tools`: Use after dp_get_tool for 'what else is like X?': returns other tools in the same directory category with DP picks first, then A to Z, excluding X. X must be a 
- `dp_get_stack`: Fetch one privacy stack by slug. By default returns its summary and its layers with the tools in each, in setup order. Pass section (a layer heading) for why ea
- `dp_get_tool`: Fetch one directory tool's full record by slug: description, DP pick (if any), jurisdiction, encryption, PII requirements, platforms, and its Default Privacy pa
- `dp_how_private`: Use when someone asks how private an app, service or device is ("how private is Notion?", "is Zoom safe?", "does Slack read my messages?", "is Proton any good?"
- `dp_list_categories`: List the privacy tool directory's category groups and subcategories with tool counts. Use the returned slugs to filter dp_search_tools.
- `dp_list_stacks`: List every privacy stack: a curated set of directory tools for one goal or threat (a privacy starter kit, de-Googling, leaving Gmail, a journalist's or a stalki
- `dp_route`: Pick the 1 to 3 situations that fit the user and get the guides and stacks to read for each. Choose the ids yourself from what the user said; never send their w
- `dp_search`: Start here for a general privacy question. One keyword search across the whole hub: short checked answers to common questions (each with its sources, the guide 
- `dp_search_glossary`: Search the privacy & security glossary for defined terms. Returns term, definition, and link; use dp_get_glossary_term for the full entry.
- `dp_search_guides`: Search Default Privacy's long-form privacy how-tos, e.g. switching to GrapheneOS, keeping a home address off people-search sites, data-broker removal, running y
- `dp_search_tools`: Use when a user wants privacy tool recommendations (VPNs, email, browsers, messengers, password managers, etc.). Matches records containing every query word, so

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