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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "email-domain": {
      "type": "http",
      "url": "https://ukdata.reliness.co.uk/mcp/email-domain",
      "headers": {
        "Authorization": "Bearer ${EMAIL_DOMAIN_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http email-domain https://ukdata.reliness.co.uk/mcp/email-domain --header "Authorization: Bearer ${EMAIL_DOMAIN_TOKEN}"

[mcp_servers.email-domain]
url = "https://ukdata.reliness.co.uk/mcp/email-domain"
bearer_token_env_var = "EMAIL_DOMAIN_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "email-domain": {
      "type": "remote",
      "url": "https://ukdata.reliness.co.uk/mcp/email-domain",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:EMAIL_DOMAIN_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "email-domain": {
      "type": "http",
      "url": "https://ukdata.reliness.co.uk/mcp/email-domain",
      "headers": {
        "Authorization": "Bearer ${EMAIL_DOMAIN_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=email-domain&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdWtkYXRhLnJlbGluZXNzLmNvLnVrL21jcC9lbWFpbC1kb21haW4iLCJoZWFkZXJzIjp7IkF1dGhvcml6YXRpb24iOiJCZWFyZXIgJHtFTUFJTF9ET01BSU5fVE9LRU59In19"
}

{
  "servers": {
    "email-domain": {
      "type": "http",
      "url": "https://ukdata.reliness.co.uk/mcp/email-domain",
      "headers": {
        "Authorization": "Bearer ${EMAIL_DOMAIN_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "email-domain": {
      "httpUrl": "https://ukdata.reliness.co.uk/mcp/email-domain",
      "headers": {
        "Authorization": "Bearer ${EMAIL_DOMAIN_TOKEN}"
      }
    }
  }
}

extensions:
  "email-domain":
    enabled: true
    name: "email-domain"
    type: streamable_http
    uri: "https://ukdata.reliness.co.uk/mcp/email-domain"
    headers:
      "Authorization": "Bearer ${EMAIL_DOMAIN_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${EMAIL_DOMAIN_TOKEN}. The registry never accepts secret values.

Quality 91 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations2 of 2 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 183 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump
pass
tools.hidden_textno hidden text in tool names, descriptions, schemas or annotations

stability100 · weight 15

pass
stability.changes2 tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name
pass
stability.new_linksno tool change named a new site

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

2 tools, about 183 tokens to load them all · tool set 6e6cbefb6b82 · tools last changed 2026-11-04 · checked 2026-11-14 06:30 UTC

Tool changes

2026-11-04domain_checkchangedannotations
2026-11-04email_checkchangedannotations

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 59 / 100

no-repository

provenance55

liveness23

freshness100

hygiene80

+dns-namespace +website -unreachable(1 failures) +updated-10d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://ukdata.reliness.co.uk/mcp/email-domain` streamable-http	none	no (1 failures)	82%	414 ms	2025-11-25	2026-11-13

Tools (2)

`domain_check`read-only	A, AAAA, MX, NS, SPF and DMARC records for a domain via DNS over HTTPS. (cost: 1 credit)
`email_check`read-only	Syntax, MX, disposable, role and free-provider checks on an email address (no message is sent). (cost: 1 credit)

Schemas: list_tools.

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Official server.json

{
  "name": "uk.co.reliness/email-domain",
  "title": "UK Data: Email and domain checks",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://ukdata.reliness.co.uk/mcp/email-domain",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys"
        }
      ]
    }
  ],
  "version": "1.4.0",
  "websiteUrl": "https://ukdata.reliness.co.uk",
  "description": "Email and domain checks: deliverable, disposable, role address, MX, SPF, DMARC"
}