Neeen Ja

Validate EU VAT numbers via the official free VIES SOAP API, with a free local format-precheck cache and bilingual (中/EN) error codes. Built for cross-border e-commerce and trade compliance. 用欧盟官方免费 VIES 接口校验 VAT 税号，含本地格式缓存与中英双语错误码，面向跨境电商/外贸合规。

MCP server that routes any prompt to the cheapest reachable free/cheap LLM (Kimi K2.6, Qwen, DeepSeek, Cloudflare Workers AI, Groq, Gemini...). Reuses Free & Cheap Tokens model channels. Pay-Per-Event: no monthly fee, pay only per tool call.

Remote MCP server for email verification. RFC 5321 syntax, MX lookup, 160k disposable-domain blacklist and role-account detection. DNS-only and compliant by default; SMTP handshake is opt-in. Zero third-party API fees.

Remote MCP server publishing a deterministic daily ethics feed for AI agents from a four-module curriculum (Goals, Principles, Case Studies, Conduct). 10 read-only tools, 9 ethics:// resources, 1 prompt. Pay-per-event: only tools/call metered. Love it? Support on Ko-fi ☕ ko-fi.com/panstories

Curated, daily-verified catalog of free AI model API credits and token promotions. MCP server with 8 tools, structured terms, difficulty grading, and regional filtering. Open source · No paid placements · No affiliate links · MIT. Love it? Support on Ko-fi ☕ ko-fi.com/panstories

Remote MCP server for stock data: real-time quotes, fuzzy search (Chinese / pinyin / code) and historical K-lines for China A-shares, Hong Kong, Taiwan and US markets. Free upstream data source, no API key required. Love it? Support on Ko-fi ☕ ko-fi.com/panstories