Stackhal

io.github.bahdanhal/stackhalVersion 1.2.0

Outside-in DNS, email security, SEO, GEO and app-link checks plus developer utilities.

Status

Responds150 msNov 14, 2026, 14:45 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:45 UTC
Latency: 150 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: EU hosting detected (detected, not a legal statement)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://stackhal.com/mcpResponds150 msNov 14, 2026, 14:45 UTC

No sign-in

Claude Code

claude mcp add --transport http stackhal https://stackhal.com/mcp

Claude Desktop and claude.ai

1
2
3

Settings > Connectors > Add custom connector
Name: stackhal
Remote MCP server URL: https://stackhal.com/mcp

Cursor

{
  "mcpServers": {
    "stackhal": {
      "url": "https://stackhal.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"stackhal","type":"http","url":"https://stackhal.com/mcp"}'

Built your own server? run.zero hosts MCP servers on European infrastructure.

Host your own MCP server on run.zero

Tools

13 tools

Tools of Stackhal
	Description		Read-only	Idempotent	Open world
`analyze_geo_readiness`Analyze Generative Engine Optimization (GEO) signals and AI crawler readiness for a web page (schema, citations, provenance, answer structure, llms.txt, AI bot robots rules).	Analyze Generative Engine Optimization (GEO) signals and AI crawler readiness for a web page (schema, citations, provenance, answer structure, llms.txt, AI bot robots rules).	Not declared	Yes	Not declared	Yes
`audit_website_seo`Run a deterministic technical SEO audit for a public website URL. Checks canonicals, title tags, headings, robots.txt, sitemaps, redirects, crawl traps, and indexability.	Run a deterministic technical SEO audit for a public website URL. Checks canonicals, title tags, headings, robots.txt, sitemaps, redirects, crawl traps, and indexability.	Not declared	Yes	Not declared	Yes
`calculate_cidr_overlap`Analyze IPv4/IPv6 CIDR subnets for range collisions, full containment, 2D bit-tree matrix partition, and available free subnet allocation.	Analyze IPv4/IPv6 CIDR subnets for range collisions, full containment, 2D bit-tree matrix partition, and available free subnet allocation.	Not declared	Yes	Not declared	No
`diagnose_cors_policy`Analyze CORS HTTP request and response headers for wildcard/credential security violations, missing Vary: Origin, preflight OPTIONS handling, and header exposure.	Analyze CORS HTTP request and response headers for wildcard/credential security violations, missing Vary: Origin, preflight OPTIONS handling, and header exposure.	Not declared	Yes	Not declared	No
`generate_apple_pkpass_spec`Generate a production-ready, fully compliant Apple Wallet pass.json specification based on pass type, metadata, colors, barcode, and field values.	Generate a production-ready, fully compliant Apple Wallet pass.json specification based on pass type, metadata, colors, barcode, and field values.	Not declared	Yes	Not declared	No
`generate_favicon_suite`Generate 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.	Generate 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.	Not declared	Yes	Not declared	No
`inspect_apple_pkpass`Inspect 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.	Inspect 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.	Not declared	Yes	Not declared	No
`inspect_domain_security`Inspect 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.	Inspect 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.	Not declared	Yes	Not declared	Yes
`repair_apple_pkpass_spec`Automatically 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.	Automatically 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.	Not declared	Yes	Not declared	No
`trace_dns_delegation`Query live DNS records and inspect the authoritative nameservers returned for a domain.	Query live DNS records and inspect the authoritative nameservers returned for a domain.	Not declared	Yes	Not declared	Yes
`transpile_regex_engine`Transpile and analyze regular expressions across engines (PCRE, Go RE2, JavaScript, Python re, Rust regex) with compatibility checks and ReDoS safety analysis.	Transpile and analyze regular expressions across engines (PCRE, Go RE2, JavaScript, Python re, Rust regex) with compatibility checks and ReDoS safety analysis.	Not declared	Yes	Not declared	No
`transpile_to_caddyfile`Transpile Nginx (nginx.conf, server blocks) or Apache (.htaccess, VirtualHost) web server configuration to clean, idiomatic Caddyfile with migration advisories.	Transpile Nginx (nginx.conf, server blocks) or Apache (.htaccess, VirtualHost) web server configuration to clean, idiomatic Caddyfile with migration advisories.	Not declared	Yes	Not declared	No
`validate_app_links`Inspect 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.	Inspect 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.	Not declared	Yes	Not declared	Yes

Details

Registry status: Active
Published: Oct 4, 2026
Updated: Oct 4, 2026
Website: https://stackhal.com/⁠ (opens in a new tab)
Repository: https://github.com/bahdanhal/stackhal⁠ (opens in a new tab)
Categories (suggested): Security Developer toolsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

Are you the operator? Claim this listing