# DD Subagents > Curated knowledge base for AI coding agents — language models, agent frameworks, MCP servers, agent design patterns, and Claude skills. Includes a leaderboard, model recommender, cost calculator, and side-by-side comparisons. Catalog covers 210 models, 20 agent frameworks, 25 MCP servers, 12 agent patterns, and 17 skills (284 entries total). ## Key pages - [Home](https://subagent.developersdigest.tech) - [Leaderboard](https://subagent.developersdigest.tech/leaderboard) - [Compare](https://subagent.developersdigest.tech/compare) - [Frameworks](https://subagent.developersdigest.tech/frameworks) - [Skills](https://subagent.developersdigest.tech/skills) - [MCP servers](https://subagent.developersdigest.tech/mcp) - [Patterns](https://subagent.developersdigest.tech/patterns) - [Recommend](https://subagent.developersdigest.tech/recommend) - [Cost calculator](https://subagent.developersdigest.tech/cost-calculator) - [Context window](https://subagent.developersdigest.tech/context-window) - [SOTA](https://subagent.developersdigest.tech/sota) ## Full data For the complete machine-readable listing, see [/llms-full.txt](https://subagent.developersdigest.tech/llms-full.txt).