Obsidian Codex Mcp vs Open Ontologies

Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.

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Obsidian Codex Mcp
dot-RealityTest
🧠 Knowledge & Memory
Open Ontologies
fabio-rovai
🧠 Knowledge & Memory
SummaryLocal-first Obsidian vault MCP server for Codex, Claude Desktop, and other MCP clients. Works directly with markdown files, no Obsidian plugin, API key, cloud service, or running Obsidian app required. Includes read-only mode, backup-on-write, path isolation, and setup examples.AI-native ontology engineering with 39 tools and 5 prompts for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store.
Quality signal25/100 (Emerging)27/100 (Emerging)
Install pathpip · highnpx · low
Engagement 0 0 0 9 0 0 0 222
ToolsNot listed yetNot listed yet
Verified / officialNoNo
Open listingView Obsidian Codex McpView Open Ontologies
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