Arca for Claude Code

build.arca.mcp/arca-mcp-server

Arca is a private data vault where your AI stores your structured data, semantic memory and skills.

client:Claude Code transport:streamable-http

Install Arca in Claude Code

run in your project directory

claude mcp add --transport http arca-mcp-server https://mcp.arca.build

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs