Stackhal
Outside-in DNS, email security, SEO, GEO and app-link checks plus developer utilities.
Connect it
Settings → Connectors → Add custom connector
URL: https://stackhal.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://stackhal.com/mcp{
"mcpServers": {
"stackhal": {
"url": "https://stackhal.com/mcp"
}
}
}claude mcp add --transport http stackhal https://stackhal.com/mcp{
"servers": {
"stackhal": {
"type": "http",
"url": "https://stackhal.com/mcp"
}
}
}13 tools, verified live
validate_app_linksread-onlyInspect and validate Apple App Site Association (apple-app-site-association) and Android Digital Asset Links (assetlinks.json) files, HTTPS hosting rules, and test URL path routing, and compare the origin AASA with the copy on Apple's CDN.
audit_website_seoread-onlyRun a deterministic technical SEO audit for a public website URL. Checks canonicals, title tags, headings, robots.txt, sitemaps, redirects, crawl traps, and indexability.
transpile_to_caddyfileread-onlyTranspile Nginx (nginx.conf, server blocks) or Apache (.htaccess, VirtualHost) web server configuration to clean, idiomatic Caddyfile with migration advisories.
calculate_cidr_overlapread-onlyAnalyze IPv4/IPv6 CIDR subnets for range collisions, full containment, 2D bit-tree matrix partition, and available free subnet allocation.
diagnose_cors_policyread-onlyAnalyze CORS HTTP request and response headers for wildcard/credential security violations, missing Vary: Origin, preflight OPTIONS handling, and header exposure.
trace_dns_delegationread-onlyQuery live DNS records and inspect the authoritative nameservers returned for a domain.
inspect_domain_securityread-onlyInspect domain email security and deliverability standards: DMARC (BIMI compliance), BIMI DNS & SVG reachability, MTA-STS (RFC 8461), SMTP TLS-RPT (RFC 8460), SPF and MX records.
generate_favicon_suiteread-onlyGenerate modern multi-platform favicon bundle (adaptive dark-mode SVG, multi-resolution ICO, Apple Touch Icon, Android PWA icons, webmanifest) and minimal HTML tags from SVG or image input.
analyze_geo_readinessread-onlyAnalyze Generative Engine Optimization (GEO) signals and AI crawler readiness for a web page (schema, citations, provenance, answer structure, llms.txt, AI bot robots rules).
inspect_apple_pkpassread-onlyInspect and validate Apple Wallet .pkpass JSON structure (pass.json) or package manifests: checks required keys, pass styles, dates, ISO 8601 timezones, transit types, barcodes, and color contrast.
generate_apple_pkpass_specread-onlyGenerate a production-ready, fully compliant Apple Wallet pass.json specification based on pass type, metadata, colors, barcode, and field values.
repair_apple_pkpass_specread-onlyAutomatically repair and sanitize broken Apple Wallet pass.json manifests: fixes missing formatVersion, prefixes passTypeIdentifier, ensures 10-character team ID, normalizes dates to ISO 8601 with timezones, and auto-corrects low contrast.
transpile_regex_engineread-onlyTranspile and analyze regular expressions across engines (PCRE, Go RE2, JavaScript, Python re, Rust regex) with compatibility checks and ReDoS safety analysis.
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