# Services from glossary.penguindriver.com on Zero

> glossary.penguindriver.com serves 2 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/glossary.penguindriver.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/glossary.penguindriver.com/health.json

## Services

- [AI & Tech Glossary Pro Pack — Plain-Language Definitions for MCP, RAG, AI Agents, GEO & More](https://www.zero.xyz/c/ai-tech-glossary-pro-pack-plain-language-definitions-for-mcp-rag-ai-0c4080c2/llms.txt): $0.3/call via x402. Returns a comprehensive, plain-language glossary of 45 top-searched AI and tech terms (MCP, RAG, AI agents, Token, Hallucination, GEO, llms.txt, x402), including concept comparisons, code-backed tutorials, and a search-intent classifier, each with original sources.
- [AI & Tech Glossary Pro Export — Plain-Language Definitions API](https://www.zero.xyz/c/ai-tech-glossary-pro-export-plain-language-definitions-api-08b724e2/llms.txt): $0.05/call via x402. Returns a structured export of 45 plain-language explanations of popular AI and tech terms (MCP, RAG, AI agents, GEO, tokens, hallucinations, etc.) including concept comparisons, code-backed tutorials, and intent classifiers.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)