Show HN: DollhouseMCP 2.0, open-source MCP composable AI building blocks

Category: ai-ml

Tags: ai-agents, model-context-protocol, llm-tooling

Score: 7.0/10 (Innovation: 7, Technical: 7, Documentation: 8, Utility: 6)

DollhouseMCP is an open-source MCP server providing modular AI building blocks (personas, skills, templates, agents, memories, ensembles) that customize AI behavior and capabilities across MCP-compatible clients. It's interesting because it introduces MCP-AQL, a semantic query language that consolidates operations into five endpoints, and offers a comprehensive portfolio system with 37 starter elements and bidirectional skill conversion.

Target audience: backend devs, ai engineers, devops

Repository: https://dollhousemcp.com/ · TypeScript · AGPL-3.0 · 29 stars

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