Stackhal
Outside-in DNS, email security, SEO, GEO and app-link checks plus developer utilities.
One address for any MCP client. No sign-in needed on this server.
What it does
5 read8 other
Grouped by tool name. At most: creates or changes data: records, files, settings.
What it costs
FreeOdel charges nothing per call. The publisher may charge for its own service.
Tools
13 · grouped by tool name · checked 5 Oct 2026Read · 5Look things up
- validate_app_links
- calculate_cidr_overlap
- inspect_domain_security
- analyze_geo_readiness
- inspect_apple_pkpass
Other · 8Neither hinted nor named
- audit_website_seo
- transpile_to_caddyfile
- diagnose_cors_policy
- trace_dns_delegation
- generate_favicon_suite
- generate_apple_pkpass_spec
- repair_apple_pkpass_spec
- transpile_regex_engine
Stackhal (stackhal)
Live website: Stackhal - free online developer, DevOps, and infrastructure tools
Fast, privacy-focused tools for developers, infrastructure engineers, and technical SEO work, with no tracking or account required.
Related projects: Bahdan Hal - software engineering consulting · IleZa.pl - editorial fair prices for any product category
Shared Packagist packages: bahdan/symfony-safe-http-client · bahdan/symfony-privacy-analytics-bundle · bahdan/lead-capture-bundle
1. Included Tools & Canonical Routes
/caddy-transpiler: Real-time Nginx server blocks and Apache.htaccessto modern Caddyfile converter./apple-pkpass-inspector: Apple Wallet (.pkpass) archive parser, SHA-1 manifest integrity checker, PKCS#7 certificate inspector, and Google Wallet converter./cidr-subnet-matrix: Visual IPv4/IPv6 CIDR overlap calculator, collision detector, and 2D binary tree matrix./regex-transpiler: Regex dialect transpiler across PCRE, Go RE2, JavaScript, Python and Rust with linear ReDoS protection./favicon-suite: Modern favicon kitchen, dark-mode SVG generator, multi-resolution ICO, Apple Touch Icon, and PWA manifest suite./dns-dag-tracer: Visual hierarchical DNS delegation chain tracer (Root -> TLD -> Authoritative -> Edge Anycast) with DNSSEC validation./seo-audit: Technical SEO crawler, canonical auditor, redirect loop detector, and crawl trap identifier with SSRF protection./geo-audit: Generative Engine Optimization (GEO) readiness analyzer (13 deterministic criteria for AI search engines like Perplexity, ChatGPT, Gemini)./domain-inspector: Domain email security analyzer for DMARC, BIMI, MTA-STS, TLS-RPT, SPF, and MX records./bimi-studio: BIMI SVG Tiny 1.2 PS studio, sanitizer, and live avatar mailbox preview (Gmail, Apple Mail, Yahoo).POST /mcp: High-performance Model Context Protocol endpoint exposing all tool operations to AI agents.
2. Verification
docker build --target test -t bahdan-landing-test .
docker run --rm --env-file .env.example -e APP_ENV=test bahdan-landing-test vendor/bin/phpunit --fail-on-phpunit-notice
docker run --rm -v "$PWD:/app" -w /app node:24-alpine sh -lc 'for test in tests/js/*.test.js; do node "$test" || exit 1; done'
docker run --rm bahdan-landing-test vendor/bin/phpstan analyse --no-progress --memory-limit=512M
docker run --rm bahdan-landing-test vendor/bin/phpcs
