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MCP Servers tagged "Open Source"

A curated collection of the 5 best MCP servers tagged "Open Source". Each listing includes usage guidelines and links to the MCP server.

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Opik

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

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7,262
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509
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8 hours ago

Basic Memory

Basic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants, stored in standard Markdown files on your computer. Integrates directly with Obsidan.md

Basic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants, stored in standard Markdown files on your computer. Integrates directly with Obsidan.md

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635
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51
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18 days ago

Investor Persona Simulation Server

An MCP server that runs AI-driven venture capitalist agents (Fred Wilson, Peter Thiel, etc.), whose thinking is continuously enriched by Octagon Private Markets' real-time deals, valuations, and deep research intelligence. Use it to spin up programmable "VC brains" for pitch feedback, diligence simulations, term sheet negotiations, and more.

An MCP server that runs AI-driven venture capitalist agents (Fred Wilson, Peter Thiel, etc.), whose thinking is continuously enriched by Octagon Private Markets' real-time deals, valuations, and deep research intelligence. Use it to spin up programmable "VC brains" for pitch feedback, diligence simulations, term sheet negotiations, and more.

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7
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0
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23 hours ago

Wikipedia Information Server

A Model Context Protocol (MCP) server that retrieves information from Wikipedia to provide context to LLMs.

A Model Context Protocol (MCP) server that retrieves information from Wikipedia to provide context to LLMs.

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13
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1
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9 days ago

Simplenote MCP Server

MCP Server for Simplenote integration with Claude Desktop

MCP Server for Simplenote integration with Claude Desktop

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3
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0
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9 days ago