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DC5 MCP server

Which MCP servers are DC5's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-21

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Whose server it is
  • Registry nametech.dc5.whois/dc5-whoisverified in the MCP registry

The registry name sits under dc5.tech. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-21
  • Stateanswerschecked 2026-10-21
  • Tools4
  • Server calls itselfdc5-whois
  • Server version2026.10.18-cdf49eb
  • Protocol version2025-06-18

On 2026-10-21 the server answered initialize and tools/list without a sign-in. First answer in 512 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: Audit AWS, Kubernetes and Terraform setups for risks and costs; Migrate databases between AWS RDS environments with controlled cutover; Upgrade multi-region Amazon EKS clusters through several versions.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 7, the first on 2026-10-21
  • INITE MCP score72 of 100answers 100 · does the job 0 · definitions 100 · context 100 · connects 100
  • What an agent can do with it0 of 3 use cases
  • Answered100% of days7 of 7 daily checks
  • Median first answer506 ms
  • Space in an agent's context≈ 1,139 tokensthe definitions of all its tools (4), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results4 of 4 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • cannot · Audit AWS, Kubernetes and Terraform setups for risks and costs
  • cannot · Migrate databases between AWS RDS environments with controlled cutover
  • cannot · Upgrade multi-region Amazon EKS clusters through several versions

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers4 tools · read 2026-10-21
  • check_lookalike

    Check whether one domain or Web3 name is a visual look-alike (homograph): letters from different scripts mixed in one label, or every non-ASCII letter having a Latin twin, so раураl.com reads as paypal.com. Returns the scripts used and…

  • check_mail_security

    Grade one domain's email authentication and list every check: SPF (single record, the 10 DNS-lookup limit across includes, the all qualifier), DMARC (policy, inheritance from the organizational domain, pct, report addresses), MTA-STS…

  • list_data_sources

    List the local datasets and feeds behind lookup_target (RIR delegations, IANA, Public Suffix List, cloud / CDN ranges, Tor and Private Relay, reputation lists, GeoLite2) with state, record count, generation date and a stale flag. Use it…

  • lookup_target

    Look up one domain, IP address, CIDR block, ASN (AS15169) or Web3 name (ENS .eth, Unstoppable, SPACE ID .bnb, Handshake hns:) and get a compact fact sheet. Domains: registrar, dates, status, nameservers, DNS records, overall mail-security…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "dc5-whois": {
      "type": "http",
      "url": "https://whois.dc5.tech/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http dc5 https://whois.dc5.tech/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://whois.dc5.tech/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.