A
licenseA
qualityD
maintenanceEnables AI agents to perform instant SEO, performance, and security audits of any website through the Model Context Protocol. It provides comprehensive analysis without requiring API keys or configuration.
11
5
MIT
lilAgents MCP
by lilAgents
This server provides a suite of read-only web auditing tools exposed via the Model Context Protocol, enabling AI agents to inspect a site's tech stack, DNS, security, SEO, and more.
stack_detect: Fingerprints a site's CMS, framework, hosting, backend, marketing tech, AI website builders, RDAP registration, and Ahrefs Domain Rating.trace_redirects: Follows every redirect hop for a URL, reporting each HTTP status code and Location header.dns_snapshot: Pulls a full DNS snapshot (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA records) via DNS-over-HTTPS.check_headers: Audits a URL for the presence or absence of security headers like HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy.check_robots: Reads a site'srobots.txtto determine which major AI crawlers (GPTBot, ClaudeBot, PerplexityBot, etc.) are allowed or blocked, and checks for anllms.txtfile.check_indexability: Determines if a page is indexable by reading its canonical link, meta robots tag, and X-Robots-Tag header.validate_schema: Extracts and validates JSON-LD structured data blocks on a page, listing the schema.org types found.domain_rating: Retrieves the Ahrefs Domain Rating (0–100) for a domain.dmarc_check: Checks the DMARC policy and SPF record for a domain.sitemap_check: Finds a sitemap and reports its type, entry count, and lastmod coverage.og_preview: Reads Open Graph and Twitter Card tags to preview how a page would appear when shared.alt_audit: Audits a page's images for descriptive, empty, or missing alt text.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@lilAgents MCPDetect what stack stripe.com uses"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
lilAgents MCP
The lilAgents free-tool fleet, as tools for AI agents.
lilAgents grades how visible your site is to AI agents. This is the other half: the same checks, exposed over the Model Context Protocol so Claude, Cursor, and any MCP-aware agent can audit a website themselves. Every tool takes a URL or a domain and is a read-only public lookup.
A free tool by lilAgents.
Tools
Tool | What it does |
| Fingerprints CMS, framework, hosting, backend, marketing tech, and AI website builders, plus RDAP registration and Ahrefs Domain Rating. Proxies the canonical lilStack service for exact parity. |
| Follows every redirect hop and reports each status code and Location. |
| Full DNS snapshot (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) via DNS-over-HTTPS. |
| Reports which baseline security headers are present or missing. |
| Shows which major AI crawlers robots.txt allows or blocks, plus whether llms.txt exists. |
| Reads canonical, meta robots, and X-Robots-Tag to say if a page is indexable. |
| Extracts and validates every JSON-LD block and lists the schema.org types. |
| The Ahrefs Domain Rating (0 to 100), with the required attribution. |
| The DMARC record and policy plus the SPF record for a domain. |
| Finds the sitemap and reports its type, entry count, and lastmod coverage. |
| Reads Open Graph and Twitter Card tags, the title and image a preview would show. |
| Audits a page's images for descriptive, empty, and missing alt text. |
Related MCP server: Seonix SEO MCP
Install
Remote, no install (Claude.ai, ChatGPT, and any Streamable HTTP client)
Add this URL as a custom connector or remote MCP server:
https://mcp.lilagents.comNo install and no key. This is the hosted server; it runs the same tools as the package below.
Claude Code
Remote:
claude mcp add --transport http lilagents https://mcp.lilagents.comOr local over stdio:
claude mcp add lilagents -- npx -y @lilagents/mcpClaude Desktop, Cursor, and other stdio clients
Add this to the client's MCP config (claude_desktop_config.json, .cursor/mcp.json, and so on):
{
"mcpServers": {
"lilagents": {
"command": "npx",
"args": ["-y", "@lilagents/mcp"]
}
}
}From source
git clone https://github.com/lilAgents/mcp.git
cd mcp
pnpm install
node src/index.jsPoint your client's command at node with the args ["/absolute/path/to/mcp/src/index.js"].
Try it
Ask your agent things like:
"Use lilagents to detect what stripe.com is built with."
"Trace the redirects on this shortened link."
"Which AI crawlers does openai.com block in robots.txt?"
"Is this page indexable, and does it have valid JSON-LD?"
Develop
pnpm install
pnpm smoke # spawns the server and calls every tool against live domains
pnpm inspect # opens the MCP InspectorNotes
Node 18 or newer (uses the built-in fetch).
Every outbound request is SSRF-guarded (no localhost or private addresses), follows redirects manually, and is time-boxed, matching the live lilAgents tools.
Ahrefs Domain Rating is returned with its required attribution and license link.
License
MIT. See LICENSE. Made with love by lilAgents.
Maintenance
–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.
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