TL;DR
Callosium is a Model Context Protocol (MCP) server. One shared memory for every AI you use, in plain Markdown files you own. Install with: npx -y callosium. Source: https://github.com/callosium/callosium. Compatible with MCP clients such as Claude Desktop, Cursor, Cline and Windsurf.
Callosium
One shared memory for every AI you use, in plain Markdown files you own.
Install Command
npx -y callosiumFrequently Asked Questions
Callosium is a Model Context Protocol server that One shared memory for every AI you use, in plain Markdown files you own.
You can install it by running the install command: `npx -y callosium`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The Callosium MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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Details
- Agent Rank
- 18.9
- License
- Last Updated
- Aug 11, 2026
- Languages
- TypeScript
Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.