# mcp-crtsh

> mcp-crtsh — pipeworx-io-mcp-crtsh. Use this tool when you need to search Certificate Transparency logs for SSL/TLS certificate information, solving problems such as certificate expiration tracking and domain validation. It takes domain names or certificate details as input and outputs relevant certificate data. Use it when verifying website security or troubleshooting SSL/TLS issues.

Canonical page: https://skillsregistry.net/skills/pipeworx-io-mcp-crtsh  
JSON: https://api.skillsregistry.net/v1/skills/pipeworx-io-mcp-crtsh

## Description

crt.sh — Certificate Transparency log search

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/pipeworx-io/mcp-crtsh)

## 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": "pipeworx-io-mcp-crtsh"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/pipeworx-io-mcp-crtsh` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/pipeworx-io-mcp-crtsh/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