Developer Utilities, Network Audit & AI Cost Benchmarks (szp2005.github.io)

Official developer index and benchmark portal: https://szp2005.github.io

Production Web Applications

1. IPOK (https://ipok.io) — Multi-Source IP Purity, Dual-Stack (IPv4 & IPv6) Network Audit & ASN Reputation Consensus Engine.

   • Terminal CLI: curl -sL https://ipok.io/check or npx ipok-check
   • NPM Package: ipok-check
   • Chrome Extension: IPOK IP Check
   • Hugging Face Space: szp2005/ip-purity-checker
   • Technical Whitepaper: 2026 Global IP Purity & Multi-Source Consensus Guide

2. LLM Abacus 算盘 (https://llmabacus.com) — Daily-Verified LLM API Pricing Comparison & Prompt Caching Token Cost Calculator (50+ Models).

   • NPM Package: llm-pricing-calc
   • GitHub Dataset & MCP Server: szp2005/llm-prices-cn
   • Hugging Face Space: szp2005/llm-cost-calculator
   • Cost Pitfalls Guide: 2026 Mainstream LLM API Pricing & Hidden Cost Guide

3. Koutuxia 抠图侠 (https://koutuxia.com) — AI Image Background Remover & Alpha Matte Studio.

   • GitHub Benchmark Toolkit: szp2005/alpha-matte-toolkit
   • Hugging Face Space: szp2005/background-remover-local

4. Moguan PDF 墨观 (https://moguanpdf.com) — 24+ Browser-Based PDF Processing Utilities.

   • GitHub Compression & Memory Benchmark Toolkit: szp2005/pdf-workflow-benchmarks

5. AIJuhe (https://aijuhe.org) — Curated AI Tools & Developer Resources Directory.