# vastlint

> vastlint — aleksuix-vastlint. Use this tool when you need to validate ad tags against IAB VAST specifications, ensuring compliance and identifying errors. It checks ad tags and returns structured JSON output with detailed information on rule IDs, XPath locations, and spec references. Ideal for use cases involving digital advertising, ad serving, and campaign optimization, where accurate VAST validation is crucial.

Canonical page: https://skillsregistry.net/skills/aleksuix-vastlint  
JSON: https://api.skillsregistry.net/v1/skills/aleksuix-vastlint

## Description

VAST validation MCP server that checks ad tags against IAB VAST specifications, returning structured JSON with rule IDs, XPath locations, and spec references.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** maps-location
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/tc7e2dd77o)
- **Repository:** <https://github.com/aleksUIX/vastlint>

## 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": "aleksuix-vastlint"
    }
  }
}
```

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