MCP Servers

Scanned where there is a package or repository to read, and every release diffed against the tool surface we already hold. Every figure on a card is counted from this marketplace's own rows.

66,421 MCP servers

Security-scanned and graded based on available source code and tools.

Search PubMed and PMC, read full texts, map evidence and build Obsidian knowledge graphs

Free

Academic Research MCP Server for Claude Desktop — automates the full research cycle from source discovery to Q1-quality .docx output

14 tools
Free

MCP server for Rails code AST parsing, indexing and knowledge graph navigation - complete Rails intelligence with database schema awareness

16 tools
Free
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