13 tagged second brain, measured the same way as everything else here.
MCP server Claude CodeCodexCursor +2
MCP server for TheBrain 15: search by meaning, graph traversal and batch writes over the local API. Runs locally from the thebrain-mcp-server npm package. Needs 7 environment variables to run.
MCP server Claude CodeCodexCursor +2
Local-first second brain with semantic search. Markdown notes indexed by a local ML model. Runs locally from the @evan-moon/memex npm package.
MCP server Claude CodeCodexCursor +2
MCP server "talamus" as configured in ampres-ai/talamus. Runs locally from the talamus[mcp] Python package.
MCP server Claude CodeCodexCursor +2
Local-first, source-grounded memory for AI agents with citations, bitemporal history, and MCP. Runs locally from the talamus Python package.
MCP server Claude CodeCodexCursor +2
MCP server "gemini-vision" as configured in the-sid-dani/second-brain-os. Runs .claude/mcp-servers/gemini-vision.mjs with node.
MCP server Claude CodeCodexCursor +2
Exa's hosted MCP server: neural web search and page content for the agent. Remote server at mcp.exa.ai.
MCP server Claude CodeCodexCursor +2
Firecrawl's hosted MCP server: web scraping, crawling and search returning clean markdown. Remote server at mcp.firecrawl.dev.
toomanybrians/brianmadden-ai-claude-plugin
MCP server Claude CodeCodexCursor
MCP server "brianmadden-ai", hosted remotely at brianmadden.ai, as configured in toomanybrians/brianmadden-ai-claude-plugin.
MCP server Claude CodeCodexCursor +2
Model Context Protocol server for Obsidian Vaults. Runs locally from the mcp-obsidian npm package.
MCP server Claude CodeCodexCursor
Cross-AI personal memory. Save once in ChatGPT, recall in Claude, Mistral, Grok, or any MCP client. Remote server at www.tabula360.com.
pedroknigge/Open-Neural-Substrate
MCP server Claude CodeCodexCursor
MCP server "ons" as configured in pedroknigge/Open-Neural-Substrate. Runs src.integrations.mcp_server with /Users/pedroknigge/Desktop/ONS-DEMO/.venv/bin/python.
MCP server Claude CodeCodexCursor +2
Read-only MCP server for any Obsidian/markdown vault. Index-first retrieval, hard page budget, path sandbox - the retrieval protocol enforced by the server, not requested in prose. Runs locally from the @nanthansr/second-brain-mcp npm package.
Portaltocoding/second-brain-mcp
MCP server Claude CodeCodexCursor +2
Second brain en Obsidian: notas, conceptos como nodos, resurfacing y salud del grafo. En castellano. Runs locally from the @toportal/second-brain-mcp npm package. Needs 2 environment variables to run.