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.

65,698 MCP servers

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

Constitutional AI Governance with 13 enforced floors (F1-F13) and tri-witness consensus for LLMs.

47 tools
Free

A JavaScript library and MCP server to connect to a local Calibre Content Server and grab portions of ebooks.

11 tools
Free

Stdio MCP server for Cursor, Claude Code, and other clients — route prompts to Gemini, ChatGPT, Claude, DeepSeek & Kimi via browser

4 tools
Free

Backtrader-powered backtesting framework for algorithmic trading, featuring 20+ strategies, multi-market support, CLI tools, and an

4 tools
Free

Predictions over your own data with $p and $why, no model training; says when Aito does not fit.

10 tools
Free
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