AI Plugin Index
Pi Brain
Verified · npm:@ruvectorMCP server by ruvnet · updated · ★ 4.6k · 55 downloads a week
CLI and SDK for π — the RuVector shared brain. Share, search, and transfer learning across AI sessions. Pi Brain is published by npm:@ruvector from its verified domain in the official MCP Registry.
Last commit in the past day
MIT: permissive, fine for commercial use
Clear description, published package or server URL, 4,600 stars, original repository
Not checked yet. What we check
Install Pi Brain
Built from the published package, never by AIclaude mcp add pi-brain -- npx -y @ruvector/pi-brainRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"pi-brain": {
"command": "npx",
"args": [
"-y",
"@ruvector/pi-brain"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"pi-brain": {
"command": "npx",
"args": [
"-y",
"@ruvector/pi-brain"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"pi-brain": {
"command": "npx",
"args": [
"-y",
"@ruvector/pi-brain"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add pi-brain -- npx -y @ruvector/pi-brain{
"mcpServers": {
"pi-brain": {
"command": "npx",
"args": [
"-y",
"@ruvector/pi-brain"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add pi-brain npx -y @ruvector/pi-brainGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the pi-brain block.
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Pi Brain: common questions
How do I install Pi Brain?
In Claude Code run claude mcp add pi-brain -- npx -y @ruvector/pi-brain. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Pi Brain the official server?
Pi Brain is published by npm:@ruvector from its verified domain in the official MCP Registry.
Is Pi Brain free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is Pi Brain safe to use?
It scores 94 of 100. Grades: maintenance A, licence A, quality A. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Pi Brain?
Similar MCP servers: exa, Agent Skills Search Server, brave, Atlassian Rovo MCP Server.
Does Pi Brain work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.