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Domain Availability CheckerSAFE

mcp/imprvhub/domain-availability-checker
MCP server by imprvhub · ai tools · anthropic · claude · Audited 2026-10-08
⚑ Report / re-scanSource ↗

A Model Context Protocol (MCP) server that enables Claude Desktop to check domain availability across 50+ TLDs. Features DNS/WHOIS verification, bulk checking, and smart suggestions. Zero-clone installation via uvx.

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
2 2r · 0w · 0d
Transport
streamable-http
License
MPL-2.0
Stars
60
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

MCP Domain Availability Checker

[](https://smithery.ai/server/imprvhub/mcp-domain-availability)

A Model Context Protocol (MCP) integration that provides Claude Desktop with domain availability checking across popular TLDs.

Features

  • Domain Availability Checking
  • Check availability across 50+ popular TLD extensions
  • Support for popular (.com, .io, .ai), country (.us, .uk, .de), and new TLDs (.app, .dev, .tech)
  • Authoritative verification over RDAP, the protocol that replaced WHOIS
  • WHOIS and DNS fallback for the few TLDs that publish no RDAP service
  • Smart TLD suggestions organized by popularity
  • Search Capabilities
  • Check specific domains with exact TLD matching
  • Bulk checking across supported extensions for a given name
  • Parallel processing for faster domain queries
  • Organized results by TLD categories
  • MCP Integration
  • Easy setup with uvx package management
  • Seamless integration with Claude Desktop
  • Real-time availability status updates
  • Performance metrics and timing information
  • AI Assistant Features
  • Natural language domain queries through Claude
  • Automated domain suggestion workflows
  • Smart recommendations based on availability

Demo

Read from source at commit cb7263f62af6OBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add mcp-domain-availability -- uvx mcp-domain-availability
claude-desktop
{
  "mcpServers": {
    "mcp-domain-availability": {
      "command": "uvx",
      "args": [
        "mcp-domain-availability"
      ]
    }
  }
}
03

Exposed tools (2)

2 read · 0 write · 0 destructive.

ToolRiskDescription
check_domainreadCheck whether a specific domain name is registered.
suggest_domainsreadCheck one name across many top-level domains and report which are free.
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfaceWARN
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
declared (5 observation(s))
Shell
none-observed
Dependencies
pinned
Secrets in source
none-found

Findings (3)

MEDIUMAuth / authz · mcp.remote_no_auth · CWE-287, CWE-862
streamable-http
Why it matters. a network transport with no auth environment variable found
Fix. require a token
INFOSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.md:76
curl -LsSf https://astral.sh/uv/install.sh | sh
INFOSupply chain · prompt.pipe_to_shell · CWE-829, CWE-1357
README.md:336
- Reinstall uv if necessary: `curl -LsSf https://astral.sh/uv/install.sh | sh`

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha cb7263f62af6full audit observations/trust-audit/mcp-server/imprvhub__domain-availability-checker.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-08cb7263f62af6SAFEB89first audit
06

Questions

What is the Domain Availability Checker MCP server?

A Model Context Protocol (MCP) server that enables Claude Desktop to check domain availability across 50+ TLDs. Features DNS/WHOIS verification, bulk checking, and smart suggestions. Zero-clone installation via uvx.

What tools does Domain Availability Checker expose?

2 in total: 2 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Domain Availability Checker safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.

What credentials does Domain Availability Checker need?

No credential environment variables were found in its source, so it appears to need none.

How does Domain Availability Checker run?

It speaks streamable-http, so it runs as a service you connect to over the network. It is published on PyPI as mcp-domain-availability.

How current is this page?

The grade is for one exact copy of the source (cb7263f62af6), read on 2026-10-08. The repository is watched and re-audited when it changes.

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