# www.skillrails.ai > Prompts, tools, and rails for the thing you’re building. HTML is for humans; this file and /api/catalog are for agents. Site: https://www.skillrails.ai/ For agents: https://www.skillrails.ai/for-agents Catalog API: https://www.skillrails.ai/api/catalog Full list: https://www.skillrails.ai/llms-full.txt ## Counts - Rails: 20 - Prompts: 16 - Tools: 23 ## Prefer 1. GET /api/catalog for the machine index. 2. GET /api/catalog/{rails|prompts|tools}/{slug} for full paste bodies (`body`). 3. Human pages at /rails, /prompts, /tools when you need the UI. ## Specimens - Rail: https://www.skillrails.ai/rails/weekly-newsletter · https://www.skillrails.ai/api/catalog/rails/weekly-newsletter - Prompt: https://www.skillrails.ai/prompts/draft-this-weeks-issue · https://www.skillrails.ai/api/catalog/prompts/draft-this-weeks-issue - Tool: https://www.skillrails.ai/tools/notion · https://www.skillrails.ai/api/catalog/tools/notion - Tool: https://www.skillrails.ai/tools/beehiiv · https://www.skillrails.ai/api/catalog/tools/beehiiv