MCP server

Stackhal

io.github.bahdanhal/stackhal

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

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

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

13

Token cost

About 2,516 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.stackhal]
url = "https://stackhal.com/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"stackhal":{"type":"http","url":"https://stackhal.com/mcp"}}}

Antigravity

agy mcp add stackhal https://stackhal.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"stackhal","server_url":"https://stackhal.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"stackhal","server_url":"https://stackhal.com/mcp"}

Tools

• analyze_geo_readiness ~108 tokens
  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).
• audit_website_seo ~110 tokens
  Run a deterministic technical SEO audit for a public website URL. Checks canonicals, title tags, headings, robots.txt, sitemaps, redirects, crawl traps, and indexability.
• calculate_cidr_overlap ~215 tokens
  Analyze IPv4/IPv6 CIDR subnets for range collisions, full containment, 2D bit-tree matrix partition, and available free subnet allocation.
• diagnose_cors_policy ~214 tokens
  Analyze CORS HTTP request and response headers for wildcard/credential security violations, missing Vary: Origin, preflight OPTIONS handling, and header exposure.
• generate_apple_pkpass_spec ~596 tokens
  Generate a production-ready, fully compliant Apple Wallet pass.json specification based on pass type, metadata, colors, barcode, and field values.
• generate_favicon_suite ~184 tokens
  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.
• inspect_apple_pkpass ~120 tokens
  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_domain_security ~115 tokens
  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.
• repair_apple_pkpass_spec ~132 tokens
  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.
• trace_dns_delegation ~149 tokens
  Query live DNS records and inspect the authoritative nameservers returned for a domain.
• transpile_regex_engine ~209 tokens
  Transpile and analyze regular expressions across engines (PCRE, Go RE2, JavaScript, Python re, Rust regex) with compatibility checks and ReDoS safety analysis.
• transpile_to_caddyfile ~178 tokens
  Transpile Nginx (nginx.conf, server blocks) or Apache (.htaccess, VirtualHost) web server configuration to clean, idiomatic Caddyfile with migration advisories.
• validate_app_links ~186 tokens
  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.

Browse

• GitHub tools
• IPv4 tools
• Web scraping
• SEO
• Domains and DNS
• Email

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