llms-txt-validator
Validate a site's llms.txt against the spec: fetches every linked URL, scores it 0-100.
Should I use this
Quality & Safety
A
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
~247Tokens (tool definitions)
~498 BTypical response size
Minimal attention impact (0.19% of 128k context)
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"llms-txt-validator": {
"url": "https://llms-txt-validator.dev/mcp"
}
}
}Remote endpoints
https://llms-txt-validator.dev/mcpstreamable-httpWhat it can do
Tool inventory
Tools (3)
🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪validate_llms_txt(url)
Validate a website's llms.txt: returns a 0-100 quality score, findings, and AI-discoverability signals. Pass a domain or URL.
Input Schema
{
"type": "object",
"properties": {
"url": {
"description": "Domain or URL to check, e.g. \"example.com\". A path checks that path's llms.txt (spec v2), e.g. \"example.com/docs\".",
"type": "string"
}
},
"required": [
"url"
]
}⚪validate_llms_txt_content(content)
Validate raw llms.txt text you already hold, without fetching it. Returns the same score and findings.
Input Schema
{
"type": "object",
"properties": {
"content": {
"description": "The full llms.txt file contents (Markdown) to validate.",
"type": "string"
}
},
"required": [
"content"
]
}⚪generate_llms_txt(url)
Scaffold a starter llms.txt for a domain from its homepage and sitemap.
Input Schema
{
"type": "object",
"properties": {
"url": {
"description": "Domain to scaffold, e.g. \"example.com\".",
"type": "string"
}
},
"required": [
"url"
]
}Community
Evidence
Recent observations
verifiedversion not recorded3 tools