# Catalogue

> Public catalogue components.

JSON: https://leyline.ahensya.com/api/v1/components

- [Model Context Protocol](https://leyline.ahensya.com/components/model-context-protocol.md): Open protocol so tools, data, and prompts plug into many harnesses. The connect slice Leyline ranks, not a marketplace.
- [PulseMCP](https://leyline.ahensya.com/components/pulsemcp.md): Directory of MCP servers, clients, use cases, and tools plus an MCP newsletter, with listing ingestion currently paused for process rework.
- [kogiQA MCP Web Browser](https://leyline.ahensya.com/components/kogiqa-mcp-web-browser.md): A Model Context Protocol server that gives LLM agents selector-free browser automation for debugging, documenting, and testing web applications through natural-language instructions.