Best MCP Servers

Memory

Reference knowledge-graph memory server

Reference server from the MCP project. Stores entities, relations and observations in a local knowledge graph file so an assistant can remember facts across chats.

memoryknowledge-graphreferencepersistence

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Atlassian Remote MCP Server

Productivity

Jira, Confluence and more from an assistant

Freemiumjiraconfluence

Google Workspace MCP

Productivity

Gmail, Calendar, Drive, Docs and Sheets in one server

Open sourcegooglegmail

Linear MCP

Productivity

Linear's hosted MCP server

Freemiumlinearissues

n8n-MCP

Productivity

Give an assistant knowledge of n8n nodes

Open sourcen8nworkflows

Notion MCP Server

Productivity

Official Notion server

Open sourcenotionnotes

Obsidian MCP

Productivity

Read and edit an Obsidian vault

Open sourceobsidiannotes