teampolarity/cosmos-mcp
Personal knowledge graph shared across MCP clients. Account-keyed and portable as a `.polarity` file, with sources for iMessage, browser history, calendar, Claude Desktop transcripts, shell history, Notion, and Obsidian. `npx -y @polarity-lab/cosmos-mcp`
Installation
Example client config (verify package name in the repo README)
{
"mcpServers": {
"cosmos-mcp": {
"command": "npx",
"args": ["-y", "cosmos-mcp"]
}
}
}Related in Knowledge & Memory
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Hindsight: Agent Memory That Works Like Human Memory - Built for AI Agents to manage Long Term Memory
skill-seekers/Skill_Seekers
Transform 17 source types (docs, GitHub repos, PDFs, videos, Jupyter, Confluence, Notion, Slack/Discord) into AI-ready skills and RAG knowledge. 35 MCP tools for scraping, packaging, enhancing, and exporting to vector databases (Weaviate, Chroma, FAISS, Qdrant). Supports 16+ target platforms.
basicmachines-co/basic-memory
Persistent, local-first AI memory: a semantic knowledge graph of plain Markdown files that humans and LLMs both read and write. Works with any MCP client, with optional cloud sync and team workspaces.
gamosoft/NoteDiscovery
Self-hosted plain-markdown knowledge base with a built-in MCP server. Lets Claude Desktop, Cursor, and any MCP client search, read, create, edit, tag, and template notes — same vault that powers the web UI. Pure-stdlib client, no extra deps, MIT-licensed. Can run in Docker.