📡 MCP Radar

MCP servers for second-brain

6 Model Context Protocol servers tagged second-brain, ranked by stars. Updated daily. Browse all servers →

bybit-exchange/kaas

Turn scattered notes, docs and transcripts into a queryable Markdown wiki — an LLM knowledge-base compiler with MCP access, no embeddings, self-hosted.

⭐ 82Python
bepitulaz/obsidian-multivault-mcp

Multi-vault and multiuser Obsidian MCP

⭐ 37TypeScript
asimons81/nexusos

Files you own. Memory your agents can trust. Also: your AI won't gaslight you about what's in your own notes anymore.

⭐ 15Python
do-md/homekb

Local-first personal Markdown knowledge base with semantic search, AI Q&A, MCP, desktop/web clients, and a self-hostable zero-data-at-rest relay.

⭐ 6TypeScript
JoseJimenez-M/cortex-mcp

Self-hosted MCP server that lets Claude, ChatGPT, Meta Muse and any MCP client read and write one Markdown vault (Obsidian-compatible). Go, OAuth 2.1 with passkeys, no shell, no hard deletes.

⭐ 6Go
rwnalds/engram

Self-hosted MCP server + dashboard giving Claude Code, Cursor & Hermes agents shared long-term memory over a git-backed markdown vault. Agent-native, Obsidian-compatible second brain — markdown RAG, n

⭐ 4TypeScript

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