# cyber-tool.org
> Free, privacy-first cybersecurity and webmaster diagnostic tools for humans and autonomous AI agents.

## Machine & AI Interfaces
- OpenAPI 3.1 Specification: https://cyber-tool.org/openapi.json
- Model Context Protocol (MCP) Server: https://cyber-tool.org/api/mcp
- Model Context Protocol (MCP) Manifest: https://cyber-tool.org/.well-known/mcp.json
- Terminal CLI Engine:
  - Public IP: `curl https://cyber-tool.org/ip` (or `curl https://cyber-tool.org/ip?json=1`)
  - DNS Lookup: `curl https://cyber-tool.org/dns/:domain`
  - SSL Certificate: `curl https://cyber-tool.org/ssl/:target`
  - Security Headers: `curl https://cyber-tool.org/headers/:url`
  - Create Webhook Bin: `curl -X POST https://cyber-tool.org/api/v1/bin/create`

## Knowledge Libraries (PSEO)
- Network Port Directory: https://cyber-tool.org/en/port/ (TR: https://cyber-tool.org/tr/port/)
- HTTP Status Codes Reference: https://cyber-tool.org/en/http-status/ (TR: https://cyber-tool.org/tr/http-status/)

## Core Diagnostic Tools
- IP & Geolocation Lookup (/en/tools/ip-lookup | /tr/araclar/ip-sorgulama): Inspect IPv4/IPv6, ASN, ISP, country, city, reverse DNS.
- DNS Records Inspector (/en/tools/dns-lookup | /tr/araclar/dns-sorgulama): Real-time A, AAAA, MX, TXT, SPF, DKIM, NS, CNAME lookup.
- SSL Certificate Checker (/en/tools/ssl-checker | /tr/araclar/ssl-kontrolu): Verify SSL validity, expiry date, issuer, cipher suite.
- Security Headers Scanner (/en/tools/security-headers | /tr/araclar/guvenlik-basliklari): Audit HSTS, CSP, X-Frame-Options with A+ to F grade.
- Live Webhook & SSRF Inspector (/en/tools/live-webhook | /tr/araclar/canli-webhook): Capture real-time HTTP webhooks and test SSRF out-of-band.
- Password Generator & Entropy Meter (/en/tools/password-generator | /tr/araclar/sifre-ureticisi): Cryptographic password generator with entropy bits.
- Cryptographic Hash Generator (/en/tools/hash-generator | /tr/araclar/hash-olusturucu): Compute MD5, SHA-1, SHA-256, SHA-512 digests.
- Base64 / Hex Converter (/en/tools/base64-encoder | /tr/araclar/base64-cevirici): Encode and decode Base64, URL percent-encoding, Hex.
- JWT Debugger (/en/tools/jwt-debugger | /tr/araclar/jwt-cozucu): Decode JSON Web Tokens, claims, signature, and expiration status.
- IPv4 Subnet Calculator (/en/tools/subnet-calculator | /tr/araclar/subnet-hesaplayici): CIDR prefix calculation, broadcast, netmask, usable host range.