Open Ontologies vs Obsidian Codex Mcp

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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Open Ontologies
fabio-rovai
🧠 Knowledge & Memory
O
Obsidian Codex Mcp
dot-RealityTest
🧠 Knowledge & Memory
SummaryAI-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.Local-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.
Quality signal27/100 (Emerging)25/100 (Emerging)
Install pathnpx · lowpip · high
Engagement 0 0 0 222 0 0 0 9
ToolsNot listed yetNot listed yet
Verified / officialNoNo
Open listingView Open OntologiesView Obsidian Codex Mcp
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