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Sage

Sage is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Persistent, consensus-validated institutional memory for AI agents. It has 254 GitHub stars, is released under the Apache-2.0 license and runs locally with docker run -i --rm ghcr.io/l33tdawg/sage:11.23.17.

github.com/l33tdawg/sage (opens in a new tab)

  • Other
  • Apache-2.0
  • Actively maintained
View on GitHub (opens in a new tab)

Install Sage

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "sage": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/l33tdawg/sage:11.23.17"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio sage -- docker run -i --rm ghcr.io/l33tdawg/sage:11.23.17

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "sage": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/l33tdawg/sage:11.23.17"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "sage": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/l33tdawg/sage:11.23.17"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Sage

Persistent, consensus-validated institutional memory for AI agents. Runs locally. (S)AGE - (Sovereign) Agent Governed Experience

  • agentic-ai
  • artificial-intelligence
  • bft-consensus
  • bft-network
  • distributed-systems
  • governance

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FAQ

Sage FAQ

Still curious? Email info@appsgit.com.

What is Sage?

Sage is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Persistent, consensus-validated institutional memory for AI agents. It has 254 GitHub stars, is released under the Apache-2.0 license and runs locally with docker run -i --rm ghcr.io/l33tdawg/sage:11.23.17. The source code is at github.com/l33tdawg/sage.

How do I install the Sage MCP server?

Add the command docker run -i --rm ghcr.io/l33tdawg/sage:11.23.17 to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Sage free?

The server is open source under the Apache-2.0 license, so running it is free. It does not declare any required API key.

Is Sage actively maintained?

The most recent commit was on Oct 6, 2026. The latest release is v11.23.17, published Oct 6, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.