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mcp/harbor
Claude Code

Callosium for Claude Code

io.github.callosium/callosium

One shared memory for every AI you use, in plain Markdown files you own.

client:Claude Code transport:stdio runtime:npm

Install Callosium in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add callosium -e CALLOSIUM_MODEL_DIR=<CALLOSIUM_MODEL_DIR> -- npx -y callosium

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

Callosium in other clients

Callosium MCP server