# spectral

> Use this tool when you need to conduct website reconnaissance and analyze its underlying technology stack. It solves problems related to security auditing, endpoint mapping, and SSL certificate analysis by providing inputs such as website URLs and outputs like detailed reports on tech stacks, security headers, and DNS records. Use spectral in contexts where you require a comprehensive overview of a website's security posture and infrastructure.

Canonical page: https://skillsregistry.net/skills/zohaiblazuli-spectral  
JSON: https://api.skillsregistry.net/v1/skills/zohaiblazuli-spectral

## Description

MCP server for website reconnaissance. Gives Claude the ability to fingerprint tech stacks, audit security headers, map endpoints, analyze SSL certificates, enumerate DNS records, and scan ports.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/l3a9cr1ryo)
- **Repository:** <https://github.com/zohaiblazuli/spectral>

## 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": "zohaiblazuli-spectral"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/zohaiblazuli-spectral` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/zohaiblazuli-spectral/pull`

---
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
