Johnnywang2001

Generate changelogs from git commit history with conventional commit parsing. Use when asked to generate a changelog, create release notes, summarize git his...

Validate .env files for common issues — detect leaked secrets (AWS keys, GitHub tokens, Stripe keys, JWTs), find duplicate variables, flag empty values, comp...

Analyze log files to detect error patterns, aggregate by severity, group repeated errors by fingerprint, and flag anomaly time windows. Use when asked to ana...

Check SSL/TLS certificate expiry, issuer, protocol, and SANs for one or more domains. Use when asked to check SSL certificates, monitor cert expiry, verify H...

Run comprehensive SEO audits on any website and generate actionable reports. Use when the user asks to audit a website's SEO, check technical SEO issues, ana...

Compute, verify, and compare file hashes using MD5, SHA-1, SHA-256, SHA-512, and more. Use when checking file integrity, verifying downloads against expected...

Generate, parse, validate, and convert UUIDs (v1/v3/v4/v5), ULIDs, and NanoIDs. Use when creating unique identifiers, parsing existing UUIDs to extract versi...

Convert times between timezones, show world clocks, find meeting overlap across zones, and look up UTC offsets and DST status. Use when converting between ti...

Multi-format encoder, decoder, and hasher supporting Base64, Base64URL, Base32, Hex, URL-encoding, HTML entities, ROT13, Binary, and ASCII85. Also computes M...

Lightweight URL uptime checker and response time monitor. Check if websites and APIs are up, measure response times, track history, and detect SSL issues. Us...

Decode, inspect, and validate JWT (JSON Web Token) tokens from the command line. Shows header, payload, algorithm, expiry status, and known claim labels. Use...

Generate .htaccess files for Apache web servers. Use when creating redirect rules, URL rewrites, security headers, HTTPS enforcement, IP blocking, caching ru...

Scan websites, markdown files, and HTML files for broken links (dead links). Use when checking a website for 404s, validating links in documentation or READM...

Test and debug CORS (Cross-Origin Resource Sharing) configurations on live URLs. Use when checking if a server returns correct CORS headers, debugging CORS e...

Generate .gitignore files for any project type using GitHub's 200+ official templates. Use when creating new projects, setting up repositories, needing to co...

Audit HTTP security headers for any website. Use when a user asks to check security headers, harden a web server, audit HSTS/CSP/X-Frame-Options compliance,...