← vastlint.org
INDIVIDUAL MCP TOOL
validate_vast
Validate a VAST XML tag against the IAB VAST 2.0-4.3 specification.
LIVE ENDPOINT
https://vastlint.org/mcp
Connect to this endpoint to inspect the live schema for validate_vast and invoke it with your own arguments.
Indexed input schema
{}Risk classification
Inferred read-only · medium confidence · heuristic, not a guarantee.
- No write-capable action terms were found; this is not proof that invocation has no side effects.
Parent server
CONNECT WITH APPROVAL
Client installation
Review this server and its permissions before adding it. Secret placeholders must be set locally.
Codex
~/.codex/config.toml
[mcp_servers.vastlint]
url = "https://vastlint.org/mcp"
enabled = true
Claude Code
.mcp.json
{
"mcpServers": {
"vastlint": {
"type": "http",
"url": "https://vastlint.org/mcp"
}
}
}
Claude Desktop
Settings → Connectors → Add custom connector
Name: vastlint
Remote MCP URL: https://vastlint.org/mcp
Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.
Cursor
.cursor/mcp.json
{
"mcpServers": {
"vastlint": {
"url": "https://vastlint.org/mcp"
}
}
}
Visual Studio Code
.vscode/mcp.json
Add to Visual Studio Code{
"servers": {
"vastlint": {
"type": "http",
"url": "https://vastlint.org/mcp"
}
}
}
Generic MCP
Client-specific MCP configuration
{
"name": "vastlint",
"transport": "streamable-http",
"url": "https://vastlint.org/mcp"
}
MCP Inspector
Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.
Related tools
validate_vast_url— Fetch a VAST tag from a URL and validate it.inspect_vast— Follow a VAST wrapper chain from a URL, fetching and validating every hop.list_rules— List the full catalog of VAST validation rules available in vastlint.explain_rule— Get full details for a specific VAST validation rule: description, spec reference, severity, what triggers it, and how to fix it.fix_vast— Auto-fix a VAST XML tag.get_adcp_capabilities— AdCP protocol discovery.list_content_standards— AdCP content-standards specialism.create_content_standards— AdCP content-standards specialism.