# netdiag-mcp

> netdiag-mcp — shigechika-netdiag-mcp. Use this tool when you need to diagnose network issues or inspect network configurations on-demand. It provides a range of diagnostic functions, including DNS lookups, ping, traceroute, and port checks, to identify and troubleshoot network problems. With inputs such as domain names, IP addresses, or port numbers, it outputs detailed diagnostic results to help resolve connectivity and security issues.

Canonical page: https://skillsregistry.net/skills/shigechika-netdiag-mcp  
JSON: https://api.skillsregistry.net/v1/skills/shigechika-netdiag-mcp

## Description

MCP server for on-demand network diagnostics, providing DNS lookups with DNSSEC checks, ping, traceroute, TCP port checks, HTTP checks, TLS certificate inspection, WHOIS, and ASN lookups.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ra63bcumix)
- **Repository:** <https://github.com/shigechika/netdiag-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "shigechika-netdiag-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/shigechika-netdiag-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/shigechika-netdiag-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt